F02M 55/04
Means for damping vibrations or pressure fluctuations in injection pump inlets or
Official title: Means for damping vibrations {or pressure fluctuations} in injection pump inlets {or outlets}
F02M55/04 (Means for damping vibrations or pressure fluctuations in injection pump inlets or) appears on 378 US grants and 325 published applications in this corpus.
Search patents in F02M- Granted patents
- 378
- Published applications
- 325
- Assignees
- 136
- Inventors
- 742
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 15 | 0 |
| 2001 | 15 | 1 |
| 2002 | 13 | 12 |
| 2003 | 22 | 29 |
| 2004 | 20 | 19 |
| 2005 | 19 | 9 |
| 2006 | 17 | 9 |
| 2007 | 6 | 8 |
| 2008 | 6 | 12 |
| 2009 | 10 | 11 |
| 2010 | 7 | 13 |
| 2011 | 11 | 13 |
| 2012 | 8 | 7 |
| 2013 | 8 | 11 |
| 2014 | 6 | 15 |
| 2015 | 9 | 20 |
| 2016 | 12 | 13 |
| 2017 | 15 | 19 |
| 2018 | 17 | 19 |
| 2019 | 16 | 27 |
| 2020 | 20 | 21 |
| 2021 | 22 | 15 |
| 2022 | 16 | 6 |
| 2023 | 5 | 7 |
| 2024 | 5 | 2 |
| 2025 | 3 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid pump10 Feb 2026US 12,546,277 B2Phinia Jersey Holdings LLC
- Volume splitter for a fuel delivery system3 Feb 2026US 12,540,592 B2Phinia Jersey Holdings LLC
- Fuel pump and damper cup thereof3 Feb 2026US 12,540,608 B2Phinia Jersey Holdings LLC
- Device for direct injection of a gaseous fuel30 Dec 2025US 12,510,042 B2Liebherr-Components Deggendorf GmbH
- Fuel injection systems for snowmobiles11 Nov 2025US 12,467,426 B2Arctic Cat Inc.
- Device for direct injection of a gaseous fuel19 Mar 2026US 2026/0078721 A1Liebherr-Components Deggendorf GmbH
- Fuel Injection Systems for Snowmobiles5 Mar 2026US 2026/0063096 A1Arctic Cat Inc.
- Fuel injector5 Feb 2026US 2026/0036106 A1
- Fuel Injection Systems for Snowmobiles31 Jul 2025US 2025/0243834 A1Arctic Cat Inc.
- Supply pipe for vehicular gaseous fuel13 Feb 2025US 2025/0052353 A1Usui Co., Ltd.
Most cited
By later US patents
- Fuel rail for internal combustion engines68US 4,649,884 AWalbro Corporation · 1987
- Bellows pressure pulsation damper61US 5,845,621 ASiemens Automotive Corporation · 1998
- Electronic fuel injection system for an internal combustion engine having electromagnetic valves and a fuel damper upstream thereof50US 4,205,637 AToyota Jidosha Kogyo Kabushiki Kaisha · 1980
- Fuel injection system50US 4,295,452 ARobert Bosch GmbH · 1981
- Accumulator fuel injection device50US 5,752,486 ANippon Soken, Inc. · 1998