F02M 51/0607
The actuator being hollow
Official title: {the actuator being hollow, e.g. with needle passing through the hollow space}
F02M51/0607 (The actuator being hollow) appears on 31 US grants and 25 published applications in this corpus.
Search patents in F02M- Granted patents
- 31
- Published applications
- 25
- Assignees
- 18
- Inventors
- 71
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 3 |
| 2002 | 2 | 0 |
| 2003 | 4 | 2 |
| 2004 | 4 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 4 |
| 2017 | 0 | 1 |
| 2018 | 3 | 1 |
| 2019 | 2 | 4 |
| 2020 | 1 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method of hydrogen fuel injection14 Jan 2025US 12,196,162 B1Astron Aerospace LLC
- Rotary engine, parts thereof, and methods10 Dec 2024US 12,163,461 B2Astron Aerospace LLC
- Systems and methods for fuel injector control9 Jan 2024US 11,867,142 B2Transportation IP Holdings, LLC
- Injector closed loop control12 Jul 2022US 11,384,722 B2Delphi Technologies IP Limited
- Component for flow rate control device, and fuel injection valve26 Apr 2022US 11,313,336 B2Hitachi Astemo, Ltd.
- Rotary engine, parts thereof, and methods5 Jun 2025US 2025/0179956 A1Astron Aerospace LLC
- Rotary engine, parts thereof, and methods23 Mar 2023US 2023/0092617 A1Astron Aerospace LLC
- Systems and methods for fuel injector control25 Nov 2021US 2021/0363952 A1Transportation IP Holdings, LLC
- Component for flow rate control device, and fuel injection valve11 Feb 2021US 2021/0040926 A1Hitachi Automotive Systems, Ltd.
- Injector closed loop control23 Apr 2020US 2020/0124007 A1Delphi Technologies IP Limited
Most cited
By later US patents
- Piezoelectric fuel injector valve49US 4,022,166 ATeledyne Industries, Inc. · 1977
- Directly actuated injection valve36US 6,298,829 B1Westport Research Inc. · 2001
- Piezoelectric fuel injector valve28US 4,101,076 ATeledyne Industries, Inc. · 1978
- Directly actuated injection valve28US 6,575,138 B2Westport Research Inc. · 2003
- Fuel injection valve19US 4,720,077 AAisan Kogyo Kabushiki Kaisha · 1988