US3274612A - Helmet for water sports - Google Patents

Helmet for water sports Download PDF

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Publication number
US3274612A
US3274612A US456621A US45662165A US3274612A US 3274612 A US3274612 A US 3274612A US 456621 A US456621 A US 456621A US 45662165 A US45662165 A US 45662165A US 3274612 A US3274612 A US 3274612A
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helmet
liner
water
shell
head
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US456621A
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Robert C Merriam
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    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings

Definitions

  • This invention relates to wearing apparel for participants in water sports and more particularly to a safety helmet for surf-boarding, waterskiing and the like.
  • Surfing entails the riding of a flat, rigid member commonly made of wood, fiberglass or metal, propelled along the water surface by an advancing wave. Due to the great force generated by -a wave and the great degree of difliculty encountered in maintaining proper balance, it is common for surfers to be thrown from the board into the water. Because of this common occurrence, surfers and skiers are highly prone to being struck on the head by surfboards, rudders or skegs of surfboards, skis or other objects while they are in the water. Impact may cause serious head injury and, in extreme cases, loss of consciousness endangering the life of the participant.
  • head gear, crash helmets or the like are well known, they are unsatisfactory for participation in water sports because they are either too heavy or too buoyant to be safely and comfortably worn in the water, or they fail to provide means for the escape of water that may become entrapped inside the helmet.
  • the present invention relates to a safety helmet shaped to conform to the wearers head and comprises a rigid outer shell and a flexible, shock-absorbing inner liner. It is an important element of this invention that the helmet be provided with a plurality of openings and drain channels to allow water to pass freely from inside the helmet thereby preventing a pressure build-up and the resulting discomfort or injury to the wearer upon impact with a solid object, or submergence.
  • FIGURE 1 is an illustration of a surfer using the subject invention
  • FIGURE 2 is a fragmentary view of the subject invention
  • FIGURE 3 is a partial fragmentary view taken along lines 3-3' of FIGURE 2;
  • FIGURE 4 is a plan view of the subject invention.
  • the helmet is hereinafter designated by numeral 10.
  • the helmet comprises a rigid outer shell 11 shaped to generally conform to the curvature of the human head.
  • the helmet 10 is a single unit having lobe portions 20 and 21 covering the ears and sides of the head and is open in the front so as not to obscure the vision of the wearer.
  • a thick, flexible, shock-absorbing liner 12 Secured to the inner surface of the rigid outer shell 11 is a thick, flexible, shock-absorbing liner 12.
  • a plurality of holes 13 are provided throughout the surface of the helmet 10 and extend through both the outer shell 11 and liner 12.
  • a network of drain channels 14 extends along the inside surface of the liner 12 from the holes 13 to the edge of the helmet. The holes 13 and drain channels 14 facilitate the exodus of water from inside the helmet. Holes 13 are spaced from each other to afford a maximum protective covering for the head of the wearer.
  • helmet 10 includes a fiberglass outer shell 11 and a liner 12 of partially closed cell foamed material.
  • the outer shell 11 may, however, be of various other materials such as vinyl resin, polystyrene or metal.
  • the surface of 3,274,612 Patented Sept. 27, 1966 "ice the outer shell 11 is generally hemi-spheroidal, it being important that flat surfaces are avoided so that the full force of an object hitting the helmet 10 will not be absorbed by the helmet 10. Because the cushioning characteristics of the liner 12 are important, the preferred embodiment of the helmet 10 employs polyurethane as a liner 12. Vinyl chloride, polyethylene, or styrofoam as well as numerous other materials are suitable for this purpose.
  • the liner 12 is approximately one inch thick and is secured to the outer shell 11 by adhesives or other suitable means. Holes 13 are approximately one inch in diameter, and are spaced approximately two inches apart. If greater cushioning is desired, a thicker liner may be used. However, it is important that the helmet 10 is not excessively buoyant. A helmet that is too buoyant might cause extreme or violent movement of the head while the wearer is in the water, or discomfort while submerged. This problem is overcome by layers of open cellular material Within or under the liner 12, which material will readily absorb water, thereby decreasing the overall buoyancy of the helmet 10. The density of the helmet 10 should be low enough to enable the helmet to float if it becomes detached from the wearers head.
  • Drain channels 14 are generally concave having a width at the inner surface of liner 12 approximating the diameter of the openings 13 and a depth of approximately one-half inch. Drain channels 14 extend to the edge of the helmet 10 whereby some of the water that may have been entrapped flows from inside the helmet.
  • a chin strap 16 is provided to maintain the helmet on the wearers head and is comprised of two nylon strips 16', 16".
  • Strip 16' is secured at one end to lobe portion 20 of the helmet 10 by rivets 17 or other suitable means.
  • Strip 16" is similarly secured to lobe portion 21 of helmet 10.
  • the unsecured ends of strips 16 and 16" are provided with male and female snaps 18 or other suitable fastening means.
  • a safety helmet for use in water sports comprising:
  • a flexible liner attached to the inner surface of said shell, said flexible liner and said shell each being provided with a plurality of aligned openings therethrough;
  • a network of drain channels extending from said aligned openings along the inside surface of said flexible liner to the edge of said safety helmet thereby permitting the escape of water entrapped inside said helmet.
  • a safety helmet for use in water sports comprising:
  • a rigid, protective, head-shaped shell describing a substantially hemi-spheroidal outer surface and having two downwardly extending lobe portions;
  • chin strap means for securing said helmet on the head of the wearer.
  • a safety helmet for use in water sports comprising:
  • a rigid, protective, fiberglass, head-shaped shell describing a substantially hemi-spher-oidal outer surface and having two downwardly extending lobe portions;
  • drain channels extending from said aligned openings along the inside surface of said flexible liner to the edge of said safety helmet, said drain channels being substantially concave witha width approximately one inch at the surfiace of the liner and depth approximately one-half inch;

Description

Sept. 27, 1966 R. c. MERRIAM 3,274,612
HELMET FOR WATER SPORTS Filed May 18, 1965 /N VE N TOR /6 ATTORNEYS United States Patent 3,274,612 HELMET FOR WATER SPORTS Robert C. Merriam, 2222 Alice St., Santa Cruz, Calif. Filed May 18, 1965, Ser. No. 456,621 4 Claims. (Cl. 2-3) This is a continuation-in-part application of co-pending application Serial No. 410,113, filed November 10, 1964, now abandoned.
This invention relates to wearing apparel for participants in water sports and more particularly to a safety helmet for surf-boarding, waterskiing and the like.
Surfing entails the riding of a flat, rigid member commonly made of wood, fiberglass or metal, propelled along the water surface by an advancing wave. Due to the great force generated by -a wave and the great degree of difliculty encountered in maintaining proper balance, it is common for surfers to be thrown from the board into the water. Because of this common occurrence, surfers and skiers are highly prone to being struck on the head by surfboards, rudders or skegs of surfboards, skis or other objects while they are in the water. Impact may cause serious head injury and, in extreme cases, loss of consciousness endangering the life of the participant.
Although head gear, crash helmets or the like are well known, they are unsatisfactory for participation in water sports because they are either too heavy or too buoyant to be safely and comfortably worn in the water, or they fail to provide means for the escape of water that may become entrapped inside the helmet.
The present invention relates to a safety helmet shaped to conform to the wearers head and comprises a rigid outer shell and a flexible, shock-absorbing inner liner. It is an important element of this invention that the helmet be provided with a plurality of openings and drain channels to allow water to pass freely from inside the helmet thereby preventing a pressure build-up and the resulting discomfort or injury to the wearer upon impact with a solid object, or submergence.
The invention will be more fully understood when viewed in conjunction with the drawings wherein:
FIGURE 1 is an illustration of a surfer using the subject invention;
FIGURE 2 is a fragmentary view of the subject invention;
FIGURE 3 is a partial fragmentary view taken along lines 3-3' of FIGURE 2; and
FIGURE 4 is a plan view of the subject invention.
Referring to the drawings, the helmet is hereinafter designated by numeral 10. The helmet comprises a rigid outer shell 11 shaped to generally conform to the curvature of the human head. The helmet 10 is a single unit having lobe portions 20 and 21 covering the ears and sides of the head and is open in the front so as not to obscure the vision of the wearer.
Secured to the inner surface of the rigid outer shell 11 is a thick, flexible, shock-absorbing liner 12. A plurality of holes 13 are provided throughout the surface of the helmet 10 and extend through both the outer shell 11 and liner 12. A network of drain channels 14 extends along the inside surface of the liner 12 from the holes 13 to the edge of the helmet. The holes 13 and drain channels 14 facilitate the exodus of water from inside the helmet. Holes 13 are spaced from each other to afford a maximum protective covering for the head of the wearer.
In the preferred embodiment of the present invention, helmet 10 includes a fiberglass outer shell 11 and a liner 12 of partially closed cell foamed material. The outer shell 11 may, however, be of various other materials such as vinyl resin, polystyrene or metal. The surface of 3,274,612 Patented Sept. 27, 1966 "ice the outer shell 11 is generally hemi-spheroidal, it being important that flat surfaces are avoided so that the full force of an object hitting the helmet 10 will not be absorbed by the helmet 10. Because the cushioning characteristics of the liner 12 are important, the preferred embodiment of the helmet 10 employs polyurethane as a liner 12. Vinyl chloride, polyethylene, or styrofoam as well as numerous other materials are suitable for this purpose. The liner 12 is approximately one inch thick and is secured to the outer shell 11 by adhesives or other suitable means. Holes 13 are approximately one inch in diameter, and are spaced approximately two inches apart. If greater cushioning is desired, a thicker liner may be used. However, it is important that the helmet 10 is not excessively buoyant. A helmet that is too buoyant might cause extreme or violent movement of the head while the wearer is in the water, or discomfort while submerged. This problem is overcome by layers of open cellular material Within or under the liner 12, which material will readily absorb water, thereby decreasing the overall buoyancy of the helmet 10. The density of the helmet 10 should be low enough to enable the helmet to float if it becomes detached from the wearers head. Drain channels 14 are generally concave having a width at the inner surface of liner 12 approximating the diameter of the openings 13 and a depth of approximately one-half inch. Drain channels 14 extend to the edge of the helmet 10 whereby some of the water that may have been entrapped flows from inside the helmet.
A chin strap 16 is provided to maintain the helmet on the wearers head and is comprised of two nylon strips 16', 16". Strip 16' is secured at one end to lobe portion 20 of the helmet 10 by rivets 17 or other suitable means. Strip 16" is similarly secured to lobe portion 21 of helmet 10. The unsecured ends of strips 16 and 16" are provided with male and female snaps 18 or other suitable fastening means.
The foregoing preferred embodiment of the present invention is provided for illustrative purposes only, no limitations being intended, it being understood that those skilled in the art will make obvious modifications within the scope and spirit of the present invention.
What is claimed is:
1. A safety helmet for use in water sports comprising:
a protective head-shaped shell;
a flexible liner attached to the inner surface of said shell, said flexible liner and said shell each being provided with a plurality of aligned openings therethrough; and
a network of drain channels extending from said aligned openings along the inside surface of said flexible liner to the edge of said safety helmet thereby permitting the escape of water entrapped inside said helmet.
2. The safety helmet described in claim 1 wherein said liner is a material of predominantly closed cell structure.
3. A safety helmet for use in water sports comprising:
a rigid, protective, head-shaped shell describing a substantially hemi-spheroidal outer surface and having two downwardly extending lobe portions;
a flexible liner of foamed material secured to the inner surface of said shell, said liner and said shell each being provided with a plurality of aligned openings therethrough;
a network of drain channels extending from said aligned openings along the inside surface of said flexible liner to the edge of said safety helmet thereby permitting the escape of water entrapped inside said helmet; and,
chin strap means for securing said helmet on the head of the wearer.
4. A safety helmet for use in water sports comprising:
a rigid, protective, fiberglass, head-shaped shell describing a substantially hemi-spher-oidal outer surface and having two downwardly extending lobe portions;
an approximately one inch thick closed cell poly urethanc liner adhesively secured to the inner surface of said shell, said liner and said shell each being provided with a plurality of aligned one inch diameter openings thereth-rough;
a network of drain channels extending from said aligned openings along the inside surface of said flexible liner to the edge of said safety helmet, said drain channels being substantially concave witha width approximately one inch at the surfiace of the liner and depth approximately one-half inch;
a first thin strip secured at one end to one of said lobe portions of said helmet;
UNITED References Cited by the Examiner STATES PATENTS Turner 2-3 Pryale 2-3 Turner et a1. 2--3 Richter 26 Simpson 23 JORDAN FRANKLIN, Primary Examiner.
FRANK J. COHEN, Examiner.
J. R. BOLER, Assistant Examiner.

Claims (1)

1. A SAFETY HELMET FOR USE IN WATER SPORTS COMPRISING: A PROTECTIVE HEAD-SHAPED SHELL; A FLEXIBLE LINER ATTACHED TO THE INNER SURFACE OF SAID SHELL, SAID FLEXIBLE LINER AND SAID SHELL EACH BEING PROVIDED WITH A PLURALITY OF ALIGNED OPENINGS THERETHROUGH; AND A NETWORK OF DRAIN CHANNELS EXTENDING FROM SAID ALIGNED OPENINGS ALONG THE INSIDE SURFACE OF SAID FLEXIBLE LINER TO THE EDGE OF SAID SAFETY HELMET THEREBY PERMITTING THE ESCAPE OF WATER ENTRAPPED INSIDE SAID HELMET.
US456621A 1965-05-18 1965-05-18 Helmet for water sports Expired - Lifetime US3274612A (en)

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Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407408A (en) * 1966-08-08 1968-10-29 Vilena P. Hansen Swimming cap
US3454962A (en) * 1968-06-12 1969-07-15 Harry W Hind Ear guard for water polo players
US3478365A (en) * 1967-08-21 1969-11-18 Tibor Joseph Varga Protective helmet for babies
US3500473A (en) * 1967-12-14 1970-03-17 Wolverine World Wide Inc Safety headgear assembly
US3503076A (en) * 1968-07-10 1970-03-31 Lillian I Marks Swimming cap with rigid dome
US3783450A (en) * 1973-02-05 1974-01-08 Connor W O Hockey helmet
US4134155A (en) * 1975-09-22 1979-01-16 The United States Of America As Represented By The Secretary Of The Navy Swimmer protective helmet
US4279038A (en) * 1978-11-03 1981-07-21 Metzeler Schaum Gmbh Headprotector made of elastic material for athletes
US4290149A (en) * 1978-05-12 1981-09-22 Gentex Corporation Method of making an individually fitted helmet
US4612672A (en) * 1985-02-06 1986-09-23 Schrack Michael E Protective head gear
US4716914A (en) * 1986-05-12 1988-01-05 Laura Green Hair styling bonnet
EP0351407A1 (en) * 1987-03-05 1990-01-24 GATH, Ricky James Safety helmet
US4912777A (en) * 1988-09-21 1990-04-03 Gasbarro Tony J Diver's safety cap
US5046193A (en) * 1990-02-19 1991-09-10 Foresman Timothy W Aquatic thermal head covering
US5050245A (en) * 1990-04-23 1991-09-24 Nearhood David L Cephalic tool for construction of a ceiling
US5083320A (en) * 1990-12-24 1992-01-28 Athletic Helmet, Inc. Protective helmet with self-contained air pump
US5298208A (en) * 1991-11-01 1994-03-29 Athletic Helmet, Inc. Method for molding a protective helmet
US5680656A (en) * 1987-03-05 1997-10-28 Gath; Ricky James Safety helmet
USD420207S (en) * 1999-04-20 2000-02-08 Hilary Wyn Barton Winter sports hat
US6401258B1 (en) * 1999-11-04 2002-06-11 Corey Wilson Headgear for sports fans
US6565461B1 (en) * 1998-11-25 2003-05-20 Stuart E. Zatlin Method and apparatus for reducing the likelihood of head injury from heading a soccer ball
US20050056278A1 (en) * 2003-09-12 2005-03-17 Ogilvie Scott A. Protective helmet for air extraction from snow
US20060191060A1 (en) * 2005-02-28 2006-08-31 Palmer Rampell Protective helmet cap with improved ventilation
US20090139004A1 (en) * 2007-11-08 2009-06-04 Florence Vall Wig swim cap
US20110113533A1 (en) * 2009-11-19 2011-05-19 Manuel Guillen Sports/swimming head protection device
US8046845B1 (en) * 2009-01-09 2011-11-01 The United States Of America As Represented By The Secretary Of The Navy Lightweight combat helmet
US20140109292A1 (en) * 2012-10-24 2014-04-24 Sharron Calhoun Menopause hair protector
US8739599B2 (en) 2010-03-02 2014-06-03 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
USD733973S1 (en) 2013-09-17 2015-07-07 Joey LaRocque Water polo headgear
US10136692B2 (en) 2002-05-01 2018-11-27 Riddell, Inc. Sports helmet
USD838922S1 (en) 2011-05-02 2019-01-22 Riddell, Inc. Football helmet
USD844255S1 (en) 2014-02-12 2019-03-26 Riddell, Inc. Football helmet
US10271605B2 (en) 2007-04-16 2019-04-30 Riddell, Inc. Protective sports helmet
US10362829B2 (en) 2013-12-06 2019-07-30 Bell Sports, Inc. Multi-layer helmet and method for making the same
USD856601S1 (en) 2011-05-02 2019-08-13 Riddell, Inc. Football helmet
US10721987B2 (en) 2014-10-28 2020-07-28 Bell Sports, Inc. Protective helmet
US10869516B2 (en) * 2017-07-12 2020-12-22 Brandeis University Specialized swim cap for wearers with special needs
US10874162B2 (en) 2011-09-09 2020-12-29 Riddell, Inc. Protective sports helmet
USD937494S1 (en) * 2019-07-01 2021-11-30 Vicis Ip, Llc Perforated helmet
US20220015487A1 (en) * 2019-03-29 2022-01-20 Baptist Health South Florida, Inc. Helmet with Extended Portions Configured to Protect Squamous Temporal Bones of a Wearer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1602727A (en) * 1924-05-29 1926-10-12 Wilson Western Sporting Goods Helmet or head guard
US2140716A (en) * 1935-05-13 1938-12-20 Harry M Pryale Protective device for athletic wear
US2634415A (en) * 1950-03-11 1953-04-14 Wilson Athletic Goods Mfg Co I Helmet
US2763005A (en) * 1955-05-24 1956-09-18 Bell Auto Parts Inc Protective helmet
US3039109A (en) * 1958-10-16 1962-06-19 Electric Storage Battery Co Lining for safety helmets

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1602727A (en) * 1924-05-29 1926-10-12 Wilson Western Sporting Goods Helmet or head guard
US2140716A (en) * 1935-05-13 1938-12-20 Harry M Pryale Protective device for athletic wear
US2634415A (en) * 1950-03-11 1953-04-14 Wilson Athletic Goods Mfg Co I Helmet
US2763005A (en) * 1955-05-24 1956-09-18 Bell Auto Parts Inc Protective helmet
US3039109A (en) * 1958-10-16 1962-06-19 Electric Storage Battery Co Lining for safety helmets

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3407408A (en) * 1966-08-08 1968-10-29 Vilena P. Hansen Swimming cap
US3478365A (en) * 1967-08-21 1969-11-18 Tibor Joseph Varga Protective helmet for babies
US3500473A (en) * 1967-12-14 1970-03-17 Wolverine World Wide Inc Safety headgear assembly
US3454962A (en) * 1968-06-12 1969-07-15 Harry W Hind Ear guard for water polo players
US3503076A (en) * 1968-07-10 1970-03-31 Lillian I Marks Swimming cap with rigid dome
US3783450A (en) * 1973-02-05 1974-01-08 Connor W O Hockey helmet
US4134155A (en) * 1975-09-22 1979-01-16 The United States Of America As Represented By The Secretary Of The Navy Swimmer protective helmet
US4290149A (en) * 1978-05-12 1981-09-22 Gentex Corporation Method of making an individually fitted helmet
US4279038A (en) * 1978-11-03 1981-07-21 Metzeler Schaum Gmbh Headprotector made of elastic material for athletes
US4612672A (en) * 1985-02-06 1986-09-23 Schrack Michael E Protective head gear
US4716914A (en) * 1986-05-12 1988-01-05 Laura Green Hair styling bonnet
EP0351407A1 (en) * 1987-03-05 1990-01-24 GATH, Ricky James Safety helmet
EP0351407A4 (en) * 1987-03-05 1990-12-27 Ricky James Gath Safety helmet
US5680656A (en) * 1987-03-05 1997-10-28 Gath; Ricky James Safety helmet
US4912777A (en) * 1988-09-21 1990-04-03 Gasbarro Tony J Diver's safety cap
US5046193A (en) * 1990-02-19 1991-09-10 Foresman Timothy W Aquatic thermal head covering
US5050245A (en) * 1990-04-23 1991-09-24 Nearhood David L Cephalic tool for construction of a ceiling
US5083320A (en) * 1990-12-24 1992-01-28 Athletic Helmet, Inc. Protective helmet with self-contained air pump
US5298208A (en) * 1991-11-01 1994-03-29 Athletic Helmet, Inc. Method for molding a protective helmet
US6565461B1 (en) * 1998-11-25 2003-05-20 Stuart E. Zatlin Method and apparatus for reducing the likelihood of head injury from heading a soccer ball
USD420207S (en) * 1999-04-20 2000-02-08 Hilary Wyn Barton Winter sports hat
US6401258B1 (en) * 1999-11-04 2002-06-11 Corey Wilson Headgear for sports fans
US10932514B2 (en) 2002-05-01 2021-03-02 Riddell, Inc. Protective sports helmet
US10136692B2 (en) 2002-05-01 2018-11-27 Riddell, Inc. Sports helmet
US10143257B2 (en) 2002-05-01 2018-12-04 Riddell, Inc. Protective sports helmet
US7654260B2 (en) * 2003-09-12 2010-02-02 Ogilvie Scott A Protective helmet for air extraction from snow
US20050056278A1 (en) * 2003-09-12 2005-03-17 Ogilvie Scott A. Protective helmet for air extraction from snow
US20060191060A1 (en) * 2005-02-28 2006-08-31 Palmer Rampell Protective helmet cap with improved ventilation
US7975317B2 (en) * 2005-02-28 2011-07-12 Palmer Rampell Protective helmet cap with improved ventilation
US10561193B2 (en) 2007-04-16 2020-02-18 Riddell, Inc. Protective sports helmet
US10271605B2 (en) 2007-04-16 2019-04-30 Riddell, Inc. Protective sports helmet
US20090139004A1 (en) * 2007-11-08 2009-06-04 Florence Vall Wig swim cap
US8046845B1 (en) * 2009-01-09 2011-11-01 The United States Of America As Represented By The Secretary Of The Navy Lightweight combat helmet
US20110113533A1 (en) * 2009-11-19 2011-05-19 Manuel Guillen Sports/swimming head protection device
US8739599B2 (en) 2010-03-02 2014-06-03 Bio-Applications, LLC Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
US9814391B2 (en) 2010-03-02 2017-11-14 Don B. Hennig Intra-extra oral shock-sensing and indicating systems and other shock-sensing and indicating systems
USD856601S1 (en) 2011-05-02 2019-08-13 Riddell, Inc. Football helmet
USD838922S1 (en) 2011-05-02 2019-01-22 Riddell, Inc. Football helmet
USD856600S1 (en) 2011-05-02 2019-08-13 Riddell, Inc. Football helmet
US20220240617A1 (en) * 2011-09-09 2022-08-04 Riddell, Inc. Protective sports helmet
US11503872B2 (en) * 2011-09-09 2022-11-22 Riddell, Inc. Protective sports helmet
US11311067B2 (en) 2011-09-09 2022-04-26 Riddell, Inc. Protective sports helmet
US10874162B2 (en) 2011-09-09 2020-12-29 Riddell, Inc. Protective sports helmet
US20140109292A1 (en) * 2012-10-24 2014-04-24 Sharron Calhoun Menopause hair protector
USD733973S1 (en) 2013-09-17 2015-07-07 Joey LaRocque Water polo headgear
US11871809B2 (en) 2013-12-06 2024-01-16 Bell Sports, Inc. Multi-layer helmet and method for making the same
US10362829B2 (en) 2013-12-06 2019-07-30 Bell Sports, Inc. Multi-layer helmet and method for making the same
US11291263B2 (en) 2013-12-06 2022-04-05 Bell Sports, Inc. Multi-layer helmet and method for making the same
USD927078S1 (en) 2014-02-12 2021-08-03 Riddell, Inc. Football helmet
USD844255S1 (en) 2014-02-12 2019-03-26 Riddell, Inc. Football helmet
US10721987B2 (en) 2014-10-28 2020-07-28 Bell Sports, Inc. Protective helmet
US11638457B2 (en) 2014-10-28 2023-05-02 Bell Sports, Inc. Protective helmet
US10869516B2 (en) * 2017-07-12 2020-12-22 Brandeis University Specialized swim cap for wearers with special needs
US20220015487A1 (en) * 2019-03-29 2022-01-20 Baptist Health South Florida, Inc. Helmet with Extended Portions Configured to Protect Squamous Temporal Bones of a Wearer
US11812809B2 (en) * 2019-03-29 2023-11-14 Baptist Health South Florida, Inc. Helmet with extended portions configured to protect squamous temporal bones of a wearer
USD937494S1 (en) * 2019-07-01 2021-11-30 Vicis Ip, Llc Perforated helmet
USD980538S1 (en) 2019-07-01 2023-03-07 Vicis Ip, Llc Perforated helmet

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