F02M 37/0029
Pressure regulator in the low pressure fuel system
Official title: {Pressure regulator in the low pressure fuel system (pressure regulator in low-pressure injection apparatus F02M69/54)}
F02M37/0029 (Pressure regulator in the low pressure fuel system) appears on 245 US grants and 211 published applications in this corpus.
Search patents in F02M- Granted patents
- 245
- Published applications
- 211
- Assignees
- 127
- Inventors
- 579
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 8 |
| 2003 | 6 | 6 |
| 2004 | 3 | 12 |
| 2005 | 9 | 8 |
| 2006 | 9 | 7 |
| 2007 | 11 | 9 |
| 2008 | 6 | 9 |
| 2009 | 5 | 20 |
| 2010 | 10 | 8 |
| 2011 | 8 | 18 |
| 2012 | 8 | 8 |
| 2013 | 6 | 8 |
| 2014 | 7 | 5 |
| 2015 | 14 | 10 |
| 2016 | 5 | 13 |
| 2017 | 6 | 11 |
| 2018 | 9 | 5 |
| 2019 | 9 | 10 |
| 2020 | 8 | 8 |
| 2021 | 10 | 4 |
| 2022 | 6 | 6 |
| 2023 | 8 | 6 |
| 2024 | 6 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for direct injection of a gaseous fuel30 Dec 2025US 12,510,042 B2Liebherr-Components Deggendorf GmbH
- Fault-tolerant fuel isolation from engine firebay22 Oct 2024US 12,122,229 B2General Atomics Aeronautical Systems, Inc.
- Valve, multi-functional combination valve and CFLVV valve22 Oct 2024US 12,123,507 B2Shanghai Jtr Automotive Component Co., Ltd.
- Internal combustion engine23 Jul 2024US 12,044,190 B2Innio Jenbacher GmbH & Co OG
- Pilot valve for pressure relief valve2 Apr 2024US 11,946,438 B2Eaton Intelligent Power Limited
- Pressure reduction valve20 Aug 2026US 2026/0244227 A1Aisan Kogyo Kabushiki Kaisha
- High Pressure Fuel Pump With Configuration To Mitigate Cavitation9 Jul 2026US 2026/0194033 A1
- Pressure regulator valve for engine fuel system25 Jun 2026US 2026/0177024 A1Cummins Inc.
- Systems and methods of engine braking using high pressure fuel pump14 May 2026US 2026/0132754 A1
- Device for direct injection of a gaseous fuel19 Mar 2026US 2026/0078721 A1Liebherr-Components Deggendorf GmbH
Most cited
By later US patents
- Fuel delivery system with outlet pressure regulation74US 5,195,494 AWalbro Corporation · 1993
- Manifold referenced returnless fuel system69US 5,398,655 AWalbro Corporation · 1995
- Pressure-responsive fuel delivery system66US 5,148,792 AWalbro Corporation · 1992
- Fuel pump manifold65US 5,361,742 AWalbro Corporation · 1994
- Fuel feeding system for internal combustion engine59US 5,598,817 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997