F02D 2200/1012
Engine speed gradient
F02D2200/1012 (Engine speed gradient) appears on 418 US grants and 413 published applications in this corpus.
Search patents in F02D- Granted patents
- 418
- Published applications
- 413
- Assignees
- 154
- Inventors
- 1,006
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 10 | 17 |
| 2003 | 15 | 11 |
| 2004 | 10 | 15 |
| 2005 | 15 | 16 |
| 2006 | 19 | 14 |
| 2007 | 9 | 15 |
| 2008 | 13 | 20 |
| 2009 | 11 | 25 |
| 2010 | 18 | 17 |
| 2011 | 18 | 18 |
| 2012 | 15 | 13 |
| 2013 | 16 | 31 |
| 2014 | 18 | 14 |
| 2015 | 19 | 32 |
| 2016 | 18 | 20 |
| 2017 | 24 | 27 |
| 2018 | 32 | 18 |
| 2019 | 19 | 19 |
| 2020 | 21 | 19 |
| 2021 | 16 | 9 |
| 2022 | 18 | 15 |
| 2023 | 10 | 9 |
| 2024 | 11 | 5 |
| 2025 | 9 | 7 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Torque estimation apparatus for internal combustion engine3 Mar 2026US 12,565,863 B2Mitsubishi Electric Corporation
- Internal combustion engine misfire detecting device and misfire detecting method13 Jan 2026US 12,523,170 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Detection method for detecting a speed sensing anomaly of an internal combustion engine and device for detecting the speed sensing anomaly30 Dec 2025US 12,510,038 B2Caterpillar Energy Solutions GmbH
- Detecting engine misfire events for vehicles using filtering23 Dec 2025US 12,503,986 B1GM Global Technology Operations LLC
- Method for dynamically determining a firing pattern for an engine with dynamic cylinder activation and a system implementing the method16 Dec 2025US 12,497,928 B2Purdue Research Foundation
- Engine diagnosis system and engine diagnosis method20 Aug 2026US 2026/0243628 A1Komatsu Ltd.
- Mixed-combustion electronic control device6 Aug 2026US 2026/0226867 A1Hitachi, Ltd.
- Engine ignition flag system25 Jun 2026US 2026/0177014 A1Oshkosh Corporation
- Engine anomaly detection and mitigation systems11 Jun 2026US 2026/0160203 A1
- Powertrain system for a vehicle2 Apr 2026US 2026/0092582 A1Volvo Truck Corporation
Most cited
By later US patents
- Control system and method for a concrete vehicle147US 7,792,618 B2Oshkosh Corporation · 2010
- On-line engine torque and torque fluctuation measurement for engine control utilizing crankshaft speed fluctuations82US 4,697,561 APurdue Research Foundation · 1987
- System for controlling drivetrain components to achieve fuel efficiency goals78US 6,436,005 B1Cummins Inc. · 2002
- System for controlling drivetrain components to achieve fuel efficiency goals78US 6,546,329 B2Cummins Inc. · 2003
- Nonlinear dynamic transform for correction of crankshaft acceleration having torsional oscillations75US 5,699,253 AFord Global Technologies, LLC · 1997