F02M 57/023
Mechanical
Official title: {mechanical}
F02M57/023 (Mechanical) appears on 384 US grants and 185 published applications in this corpus.
Search patents in F02M- Granted patents
- 384
- Published applications
- 185
- Assignees
- 83
- Inventors
- 579
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 0 | 0 |
| 1983 | 13 | 0 |
| 1984 | 16 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 13 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 15 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 5 | 0 |
| 1999 | 15 | 0 |
| 2000 | 11 | 0 |
| 2001 | 21 | 2 |
| 2002 | 9 | 12 |
| 2003 | 14 | 15 |
| 2004 | 20 | 40 |
| 2005 | 24 | 20 |
| 2006 | 13 | 15 |
| 2007 | 12 | 15 |
| 2008 | 7 | 12 |
| 2009 | 10 | 5 |
| 2010 | 7 | 6 |
| 2011 | 2 | 4 |
| 2012 | 3 | 4 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 5 |
| 2016 | 3 | 2 |
| 2017 | 0 | 3 |
| 2018 | 6 | 5 |
| 2019 | 1 | 4 |
| 2020 | 6 | 4 |
| 2021 | 5 | 2 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Asymmetric fuel injection window and fuel metering window17 Mar 2026US 12,577,918 B2Caterpillar Inc.
- Fuel injector control strategy using fuel bulk modulus for fuel injector command determination13 Jan 2026US 12,523,182 B2Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method9 Dec 2025US 12,492,670 B2Caterpillar Inc.
- Multi-function fuel injector valve in dual fuel system and fuel system operating method13 May 2025US 12,297,795 B1Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method14 Nov 2023US 11,815,054 B2Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method12 Feb 2026US 2026/0043381 A1Caterpillar Inc.
- Dual fuel system having dual fuel injector and engine operating method12 Feb 2026US 2026/0043382 A1Caterpillar Inc.
- Asymmetric fuel injection window and fuel metering window22 Jan 2026US 2026/0022673 A1Caterpillar Inc.
- System and method for adjusting fuel injector commands22 Jan 2026US 2026/0022675 A1Caterpillar Inc.
- Fuel injector control strategy using fuel bulk modulus for fuel injector command determination8 Jan 2026US 2026/0009363 A1Caterpillar Inc.
Most cited
By later US patents
- Electromagnetic unit fuel injector82US 4,392,612 AGeneral Motors Corporation · 1983
- Method and structure for controlling an apparatus, such as a fuel injector, using electronic trimming70US 5,634,448 ACaterpillar Inc. · 1997
- Electromagnetic unit fuel injector62US 4,482,094 AGeneral Motors Corporation · 1984
- Electrically controlled fuel injection pump for internal combustion engines62US 4,653,455 ARobert Bosch GmbH · 1987
- Air and fuel supply system for combustion engine60US 6,651,618 B1Caterpillar Inc. · 2003