F02M 51/00
Fuel-injection apparatus characterised by being operated electrically
F02M51/00 (Fuel-injection apparatus characterised by being operated electrically) appears on 3,240 US grants and 2,344 published applications in this corpus.
Search patents in F02M- Granted patents
- 3,240
- Published applications
- 2,344
- Assignees
- 521
- Inventors
- 4,006
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 16 | 0 |
| 1978 | 15 | 0 |
| 1979 | 15 | 0 |
| 1980 | 23 | 0 |
| 1981 | 23 | 0 |
| 1982 | 32 | 0 |
| 1983 | 28 | 0 |
| 1984 | 32 | 0 |
| 1985 | 36 | 0 |
| 1986 | 21 | 0 |
| 1987 | 48 | 0 |
| 1988 | 41 | 0 |
| 1989 | 53 | 0 |
| 1990 | 65 | 0 |
| 1991 | 60 | 0 |
| 1992 | 69 | 0 |
| 1993 | 63 | 0 |
| 1994 | 61 | 0 |
| 1995 | 40 | 0 |
| 1996 | 50 | 0 |
| 1997 | 48 | 0 |
| 1998 | 64 | 0 |
| 1999 | 78 | 0 |
| 2000 | 75 | 0 |
| 2001 | 103 | 39 |
| 2002 | 129 | 135 |
| 2003 | 134 | 171 |
| 2004 | 146 | 128 |
| 2005 | 125 | 120 |
| 2006 | 91 | 101 |
| 2007 | 79 | 115 |
| 2008 | 64 | 93 |
| 2009 | 70 | 105 |
| 2010 | 78 | 105 |
| 2011 | 70 | 74 |
| 2012 | 67 | 79 |
| 2013 | 57 | 78 |
| 2014 | 66 | 93 |
| 2015 | 67 | 163 |
| 2016 | 112 | 109 |
| 2017 | 126 | 95 |
| 2018 | 101 | 114 |
| 2019 | 98 | 121 |
| 2020 | 109 | 86 |
| 2021 | 93 | 80 |
| 2022 | 86 | 33 |
| 2023 | 43 | 32 |
| 2024 | 28 | 25 |
| 2025 | 17 | 35 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 51/06Injectors peculiar thereto with means directly operating the valve needle2,657
- F02M 51/005Arrangement of electrical wires and connections502
- F02M 51/04Pumps peculiar thereto176
- F02M 51/02Fuel-injection apparatus characterised by being operated electrically: specially for low-pressure fuel-injection116
Recent patents
- Fuel injection valve6 Oct 2026US 12,753,733 B2Robert Bosch GmbH
- Electromagnetic fuel injector1 Sep 2026US 12,723,563 B2Marelli Europe S.P.A.
- Fuel injector28 Jul 2026US 12,692,827 B2Phinia Delphi Luxembourg Sarl
- Fuel supply device for internal combustion engine7 Jul 2026US 12,674,429 B2Toyota Jidosha Kabushiki Kaisha
- Support structure for fuel injection valve30 Jun 2026US 12,669,103 B2Hitachi Astemo, Ltd.
- Fuel injector with configurable control valve outlet1 Oct 2026US 2026/0298186 A1Stanadyne Operating Company LLC
- Fuel injector24 Sep 2026US 2026/0286922 A1Phinia Delphi Luxembourg Sarl
- Efi throttle body with side fuel injectors10 Sep 2026US 2026/0266252 A1Fuel Injection Technology Inc.
- Internal Combustion Engine Control Device and Internal Combustion Engine Control Method20 Aug 2026US 2026/0243213 A1Astemo, Ltd.
- System and related method for fuel injection systems13 Aug 2026US 2026/0235096 A1Caterpillar Inc.
Most cited
By later US patents
- Flow meter567US 6,874,480 B1Combustion Dynamics Corp. · 2005
- Fuel control system with calibration learning capability for motor vehicle internal combustion engine137US 4,130,095 AGeneral Motors Corporation · 1978
- Fuel injector116US 5,915,626 ARobert Bosch GmbH · 1999
- Fuel injector with an integrated spark plug for a direct injection type engine104US 5,497,744 AToyota Jidosha Kabushiki Kaisha · 1996
- Housing for coil of solenoid-operated fuel injector95US 5,544,816 ASiemens Automotive Corporation · 1996