F02M 59/12
Pumps specially adapted for fuel-injection and not provided for in groups f02m39/00
Official title: having other positive-displacement pumping elements, e.g. rotary
F02M59/12 (Pumps specially adapted for fuel-injection and not provided for in groups f02m39/00) appears on 83 US grants and 48 published applications in this corpus.
Search patents in F02M- Granted patents
- 83
- Published applications
- 48
- Assignees
- 55
- Inventors
- 158
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 2 |
| 2014 | 3 | 4 |
| 2015 | 2 | 3 |
| 2016 | 4 | 11 |
| 2017 | 5 | 4 |
| 2018 | 7 | 3 |
| 2019 | 4 | 1 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure actuated diaphragm pump21 Apr 2026US 12,607,181 B2
- Hydrogen fuel pressure energy recovery for hydrogen engine vehicles29 Jul 2025US 12,372,037 B2Southwest Research Institute
- High-pressure fuel pump7 Nov 2023US 11,808,242 B2Robert Bosch GmbH
- Priming pump18 Jul 2023US 11,703,020 B2Caterpillar Inc.
- Dual rail pressure control for engine noise improvement4 Oct 2022US 11,459,973 B2Cummins Inc.
- Pulse Free Fuel Pump Device and Method of Use24 Apr 2025US 2025/0129759 A1
- Pressure actuated diaphragm pump20 Feb 2025US 2025/0059966 A1Maruyama Mfg.Co., Inc.
- Hydrogen Fuel Pressure Energy Recovery for Hydrogen Engine Vehicles23 Jan 2025US 2025/0027457 A1Southwest Research Institute
- Priming pump4 Aug 2022US 2022/0243690 A1Caterpillar Inc.
- High-Pressure Fuel Pump17 Feb 2022US 2022/0049674 A1Robert Bosch GmbH
Most cited
By later US patents
- Fuel injection system26US 4,712,528 AInstitut fur Motorenbau Professor Huber e.V. · 1987
- Unit injector for gasoline engines26US 4,877,187 AAllied-Signal Inc. · 1989
- Pumping method and device22US 6,607,361 B1Bombardier Motor Corporation of America · 2003
- Two-stage volumetric pump for liquefied petroleum gases in liquid phase17US 4,565,501 AShell Oil Company · 1986
- Hydraulic pump17US 4,662,825 AStanadyne, Inc. · 1987