Search Images Maps Play YouTube News Gmail Drive More »
Advanced Patent Search | Web History | Sign in

Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US40156657 Aug 19755 Apr 1977Grunau Company, Inc.Concealed sprinkler head
US42179604 Dec 197819 Aug 1980Nohmi Bosai Kogyo Co., Ltd.Flush pendant sprinkler head having relatively slidable deflector and plug body
US440501824 Jun 198120 Sep 1983Grinnell Fire Protection Systems Company, Inc.Deflector with surface for circumferentially redistributing fluid for improved spray uniformity
US459628910 May 198524 Jun 1986Quick response automatic fire sprinkler head
US461800216 Jan 198621 Oct 1986Grinnel CorporationFire protection sprinkler head
US471544729 May 198629 Dec 1987Quick response automatic fire sprinkler head
US47669612 Mar 198730 Aug 1988The Reliable Automatic Sprinkler Co., Inc.Decorative quick response sprinkler
US489669020 Sep 198830 Jan 1990Pressure and thermal relief valve
US49269468 Nov 198822 May 1990Central Sprinkler CorporationPendent style sprinkler with cover
US497632025 May 198911 Dec 1990Central Sprinkler CorporationConcealed sprinkler with drop down deflector assembly, and improved fusible valve lever assembly
US497796310 Apr 198918 Dec 1990Star Sprinkler CorporationPartially concealed fast response sprinkler head
US508361611 Jun 199028 Jan 1992Central Sprinkler CorporationCeiling sprinkler
US566463014 Apr 19949 Sep 1997Extended coverage ceiling sprinklers and systems
US566944928 Feb 199523 Sep 1997Central Sprinkler Co.Directional sprinklers
US586299425 Jun 199626 Jan 1999Grinnell CorporationDeflector for upright-type fire sprinklers
US61522365 Oct 199828 Nov 2000The Viking CorporationCombined trigger and concealing device for a sprinkler head
US685466829 Apr 200215 Feb 2005Victaulic Company of AmericaExtended coverage ordinary hazard sprinkler system
US696220814 May 20018 Nov 2005The Viking CorporationCompact pendant sprinkler head
US731409311 Feb 20051 Jan 2008The Viking CorporationFast response sprinkler assembly for a fire extinguishing system
US758480321 Mar 20068 Sep 2009Victaulic CompanySprinkler with motion limited lever
US773095919 Jan 20078 Jun 2010Tyco Fire Products LPEarly suppression fast response fire protection sprinkler
US77355709 Sep 200915 Jun 2010Tyco Fire Products LPEarly suppression fast response fire protection sprinkler
US776609119 Oct 20093 Aug 2010Tyco Fire Products LPEarly suppression fast response fire protection sprinkler
US80874674 Nov 20053 Jan 2012The Viking CorporationCompact pendant sprinkler head
US812296910 Feb 200928 Feb 2012Tyco Fire Products LPLow pressure, extended coverage, fire protection sprinkler
US81769886 May 201015 May 2012Tyco Fire Products LPEarly suppression fast response fire protection sprinkler
US81864486 May 201029 May 2012Tyco Fire Products LPEarly suppression fast response fire protection sprinkler
USD60480417 Mar 200924 Nov 2009The Viking CorporationFire protection sprinkler trigger cover