F02D 41/045
Detection of accelerating or decelerating state
Official title: {Detection of accelerating or decelerating state (detection thereof in general G01P)}
F02D41/045 (Detection of accelerating or decelerating state) appears on 423 US grants and 283 published applications in this corpus.
Search patents in F02D- Granted patents
- 423
- Published applications
- 283
- Assignees
- 133
- Inventors
- 1,008
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 19 | 0 |
| 1991 | 22 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 8 |
| 2003 | 6 | 11 |
| 2004 | 11 | 7 |
| 2005 | 8 | 9 |
| 2006 | 9 | 6 |
| 2007 | 1 | 4 |
| 2008 | 8 | 9 |
| 2009 | 2 | 3 |
| 2010 | 5 | 9 |
| 2011 | 2 | 5 |
| 2012 | 3 | 11 |
| 2013 | 8 | 17 |
| 2014 | 9 | 18 |
| 2015 | 14 | 23 |
| 2016 | 20 | 30 |
| 2017 | 23 | 14 |
| 2018 | 31 | 24 |
| 2019 | 17 | 21 |
| 2020 | 27 | 17 |
| 2021 | 12 | 13 |
| 2022 | 13 | 13 |
| 2023 | 11 | 3 |
| 2024 | 5 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control of variable geometry turbochargers18 Aug 2026US 12,710,007 B1Caterpillar Inc.
- Intelligent engine and pump controls2 Jun 2026US 12,644,423 B2Cummins Inc.
- Throttle control system13 May 2025US 12,297,783 B2K&N Engineering, Inc.
- Marine propulsion device and marine vessel25 Mar 2025US 12,258,919 B2Yamaha Hatsudoki Kabushiki Kaisha
- Multifuel closed-loop thermal cycle piston engine, system and method4 Mar 2025US 12,241,432 B2Engine Development Corp, LLC
- Control of variable geometry turbochargers20 Aug 2026US 2026/0243194 A1Caterpillar Inc.
- Active deceleration control of engine braking operation of a vehicle2 Jul 2026US 2026/0185494 A1
- Computer system comprising processing circuitry configured to control propulsion of a vehicle18 Jun 2026US 2026/0167016 A1Volvo Truck Corporation
- Powertrain system for a vehicle2 Apr 2026US 2026/0092582 A1Volvo Truck Corporation
- Method for controlling an engine compression braking mode of an engine arrangement11 Dec 2025US 2025/0376957 A1Volvo Truck Corporation
Most cited
By later US patents
- Fuel injection control system for a two-cycle engine63US 5,085,193 AFuji Jukogyo Kabushiki Kaisha · 1992
- Prediction method for engine mass air flow per cylinder60US 5,497,329 AGeneral Motors Corporation · 1996
- Evaluation system for vehicle operating conditions and evaluation method thereof59US 7,024,306 B2Miyama, Inc. · 2006
- Apparatus for control and intake air amount prediction in an internal combustion engine54US 5,003,950 AToyota Jidosha Kabushiki Kaisha · 1991
- Method for estimating and correcting bias errors in a software air meter53US 5,070,846 AGeneral Motors Corporation · 1991