|
| US3988745 | 24 Feb 1975 | 26 Oct 1976 | Aktiebolaget Original-Odhner | Printing ink supply device for ink jet printer |
| US4156800 | 15 Nov 1976 | 29 May 1979 | Plessey Handel und Investments AG | Piezoelectric transducer |
| US4339763 | 26 Nov 1980 | 13 Jul 1982 | System Industries, Inc. | Apparatus for recording with writing fluids and drop projection means therefor |
| US4432699 | 3 Jan 1983 | 21 Feb 1984 | The Abet Group | Peristaltic piezoelectric pump with internal load sensor |
| US4449893 | 4 May 1982 | 22 May 1984 | The Abet Group | Apparatus and method for piezoelectric pumping |
| US4468581 | 25 Jun 1982 | 28 Aug 1984 | Honda Giken Kogyo Kabushiki Kaisha | Drive circuit for a piezoelectric resonator used in a fluidic gas angular rate sensor |
| US4515534 | 30 Sep 1982 | 7 May 1985 | | Miniature solid-state gas compressor |
| US4519751 | 16 Dec 1982 | 28 May 1985 | The Abet Group | Piezoelectric pump with internal load sensor |
| US4648807 | 14 May 1987 | 10 Mar 1987 | The Garrett Corporation | Compact piezoelectric fluidic air supply pump |
| US4680595 | 6 Nov 1985 | 14 Jul 1987 | Pitney Bowes Inc. | Impulse ink jet print head and method of making same |
| US4695854 | 30 Jul 1986 | 22 Sep 1987 | Pitney Bowes Inc. | External manifold for ink jet array |
| US4703333 | 30 Jan 1986 | 27 Oct 1987 | Pitney Bowes Inc. | Impulse ink jet print head with inclined and stacked arrays |
| US4959581 | 14 Nov 1988 | 25 Sep 1990 | Mannesmann Rexroth GmbH | Servo valve having a piezoelectric element as a control motor |
| US5338164 | 28 May 1993 | 16 Aug 1994 | Rockwell International Corporation | Positive displacement micropump |
| US5378120 | 22 Feb 1994 | 3 Jan 1995 | AlliedSignal Inc. | Ultrasonic hydraulic booster pump and braking system |
| US5525041 | 14 Jul 1994 | 11 Jun 1996 | | Momemtum transfer pump |
| US6361284 | 26 Dec 2000 | 26 Mar 2002 | | Vibrating membrane fluid circulator |
| US6659740 | 8 Mar 2002 | 9 Dec 2003 | | Vibrating membrane fluid circulator |
| US7498718 | 10 Oct 2006 | 3 Mar 2009 | Adaptivenergy, LLC. | Stacked piezoelectric diaphragm members |
| US8162628 | 8 Dec 2008 | 24 Apr 2012 | Microbase Technology Corp. | Wiring structure for use in micro piezoelectric pump |