F02M 59/468
Using piezoelectric operating means
Official title: {using piezoelectric operating means}
F02M59/468 (Using piezoelectric operating means) appears on 71 US grants and 44 published applications in this corpus.
Search patents in F02M- Granted patents
- 71
- Published applications
- 44
- Assignees
- 25
- Inventors
- 138
- Latest grant
- 14 Oct 2014
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 9 |
| 2003 | 8 | 12 |
| 2004 | 13 | 15 |
| 2005 | 7 | 4 |
| 2006 | 4 | 2 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-layer piezoelectric element, and injection device and fuel injection system using the same14 Oct 2014US 8,857,413 B2KYOCERA Corporation
- Injection nozzle4 Aug 2009US 7,568,634 B2Delphi Technologies, Inc.
- Valve mechanism, especially fuel injection valve for an internal combustion engine8 Jan 2008US 7,316,383 B2Robert Bosch GmbH
- Dual travel seated pin valve assembly23 Jan 2007US 7,165,731 B2Caterpillar Inc.
- Fuel injector having a cooled lower nozzle body4 Apr 2006US 7,021,558 B2Cummins Inc.
- Multi-layer piezoelectric element, and injection device and fuel injection system using the same13 Sep 2012US 2012/0228401 A1KYOCERA Corporation
- Valve mechanism, especially fuel injection valve for an internal combustion engine18 Jan 2007US 2007/0012292 A1Robert Bosch GmbH
- Injection nozzle2 Nov 2006US 2006/0243827 A1Delphi Technologies, Inc.
- Pressure booster with stroke-dependent damping9 Mar 2006US 2006/0048751 A1
- Fuel injection valve for internal combustion engines13 Oct 2005US 2005/0224598 A1Robert Bosch GmbH
Most cited
By later US patents
- Magnetically assisted piezo-electric valve actuator66US 5,593,134 AApplied Power Inc. · 1997
- Piezoelectric actuator64US 4,803,393 AToyota Jidosha Kabushiki Kaisha · 1989
- Fuel injector with independent control of check valve and fuel pressurization51US 6,360,721 B1Caterpillar Inc. · 2002
- Piezoelectric hydraulic control valve46US 4,550,744 ANippon Soken, Inc. · 1985
- Unit injector for an internal combustion engine46US 4,782,807 AToyota Jidosha Kabushiki Kaisha · 1988