F02D 33/00
Controlling delivery of fuel or combustion-air, not otherwise provided for
Official title: Controlling delivery of fuel or combustion-air, not otherwise provided for {(using exhaust gas sensors F02D35/0023, F02D35/0046)}
F02D33/00 (Controlling delivery of fuel or combustion-air, not otherwise provided for) appears on 684 US grants and 436 published applications in this corpus.
Search patents in F02D- Granted patents
- 684
- Published applications
- 436
- Assignees
- 265
- Inventors
- 1,410
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 10 | 0 |
| 1986 | 12 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 15 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 26 | 12 |
| 2002 | 29 | 18 |
| 2003 | 29 | 23 |
| 2004 | 17 | 15 |
| 2005 | 15 | 24 |
| 2006 | 21 | 21 |
| 2007 | 18 | 21 |
| 2008 | 19 | 10 |
| 2009 | 8 | 23 |
| 2010 | 15 | 19 |
| 2011 | 9 | 4 |
| 2012 | 11 | 15 |
| 2013 | 12 | 10 |
| 2014 | 13 | 17 |
| 2015 | 10 | 21 |
| 2016 | 15 | 37 |
| 2017 | 29 | 30 |
| 2018 | 22 | 22 |
| 2019 | 28 | 24 |
| 2020 | 24 | 18 |
| 2021 | 14 | 19 |
| 2022 | 21 | 15 |
| 2023 | 10 | 6 |
| 2024 | 14 | 5 |
| 2025 | 4 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicle1 Sep 2026US 12,723,550 B2Subaru Corporation
- Intelligent engine and pump controls2 Jun 2026US 12,644,423 B2Cummins Inc.
- Control apparatus for engine14 Apr 2026US 12,601,306 B2Mazda Motor Corporation
- Controlling a viscosity of fuel in a fuel control system with a vibratory meter14 Apr 2026US 12,601,670 B2Micro Motion, Inc.
- Fuel supply system and method for controlling a fuel pump of a fuel supply system for an internal combustion engine1 Apr 2025US 12,264,643 B2Hitachi Astemo, Ltd.
- Position sensing for mechanical fuel injection systems5 Mar 2026US 2026/0063083 A1Avco Corporation
- Vehicle29 Jan 2026US 2026/0028943 A1Subaru Corporation
- Fuel circuit for an apparatus, associated apparatus and method15 Jan 2026US 2026/0015985 A1Volvo Truck Corporation
- Control apparatus for engine29 May 2025US 2025/0172099 A1Mazda Motor Corporation
- Reinforcement learning control of vehicle systems27 Mar 2025US 2025/0100570 A1Cummins Inc.
Most cited
By later US patents
- Fuel blending system method and apparatus134US 5,469,830 ACessna Aircraft Company · 1995
- Fuel transfer pump and control112US 6,792,966 B2Federal-Mogul World Wide, Inc. · 2004
- Onboard fuel separation apparatus for an automobile86US 6,972,093 B2ExxonMobil Research and Engineering Company · 2005
- Method and apparatus for fuel management and for preventing fuel spillage84US 6,078,850 AInternational Business Machines Corporation · 2000
- Fuel storage and delivey apparatus of a multi-fuel engine and process78US 5,560,344 ACaterpillar Inc. · 1996