F02D 35/025
By determining temperatures inside the cylinder
Official title: {by determining temperatures inside the cylinder, e.g. combustion temperatures}
F02D35/025 (By determining temperatures inside the cylinder) appears on 513 US grants and 552 published applications in this corpus.
Search patents in F02D- Granted patents
- 513
- Published applications
- 552
- Assignees
- 167
- Inventors
- 1,089
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 11 |
| 2003 | 13 | 10 |
| 2004 | 10 | 21 |
| 2005 | 17 | 19 |
| 2006 | 18 | 16 |
| 2007 | 20 | 28 |
| 2008 | 14 | 19 |
| 2009 | 19 | 40 |
| 2010 | 24 | 28 |
| 2011 | 17 | 24 |
| 2012 | 14 | 12 |
| 2013 | 17 | 26 |
| 2014 | 17 | 25 |
| 2015 | 19 | 24 |
| 2016 | 23 | 43 |
| 2017 | 25 | 38 |
| 2018 | 52 | 40 |
| 2019 | 33 | 27 |
| 2020 | 36 | 23 |
| 2021 | 25 | 22 |
| 2022 | 26 | 20 |
| 2023 | 16 | 14 |
| 2024 | 10 | 9 |
| 2025 | 6 | 7 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for managing piston temperature in a vehicle26 May 2026US 12,637,987 B2Brp-Rotax GmbH & Co. KG
- Polyhydroxyalkanoic acid compositions and methods for generating same10 Mar 2026US 12,571,012 B2Newlight Technologies, LLC
- Systems and methods for cylinder deactivation operation control10 Mar 2026US 12,571,354 B2Cummins Inc.
- Work vehicle power system with dynamic auto-ignition assistance compression ratios17 Feb 2026US 12,553,395 B2Deere & Company
- Method for controlling operation of an internal combustion engine which runs on a fuel mixture of hydrogen and natural gas4 Nov 2025US 12,460,589 B2Caterpillar Energy Solutions GmbH
- Method for managing air intake temperature in a vehicle17 Sep 2026US 2026/0275926 A1Brp-Rotax GmbH & Co. KG
- Systems and method for managing temperature in an engine of a vehicle13 Aug 2026US 2026/0235083 A1Brp-Rotax GmbH & Co. KG
- Engine control device, vehicle, engine control program, and engine control method13 Aug 2026US 2026/0235087 A1Isuzu Motors Limited
- Piston temperature model using a physics-based split multi-model approach18 Jun 2026US 2026/0168428 A1Aramco Services Company
- Method and device for predicting temperature of engine cooling system, and medium22 Jan 2026US 2026/0022654 A1Beijing Co Wheels Technology Co., Ltd.
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