F01M 1/22
Rendering machines or engines inoperative or idling on pressure failure
Official title: rendering machines or engines inoperative or idling on pressure failure
F01M1/22 (Rendering machines or engines inoperative or idling on pressure failure) appears on 46 US grants and 30 published applications in this corpus.
Search patents in F01M- Granted patents
- 46
- Published applications
- 30
- Assignees
- 40
- Inventors
- 100
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 2 |
| 2015 | 0 | 2 |
| 2016 | 4 | 1 |
| 2017 | 0 | 2 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Controller, method, and engine system for engine crank control18 Aug 2026US 12,710,002 B2Cummins Power Generation Inc.
- Control device for hydrogen engine12 May 2026US 12,624,667 B2Toyota Jidosha Kabushiki Kaisha
- Oiling device and abnormality detection method of the same18 Mar 2025US 12,253,079 B2Kobelco Compressors Corporation
- Isolation of a turbine engine heat exchanger in the event of a leak from an electrical and mechanical hydraulic control valve3 Dec 2024US 12,158,105 B2Safran Aircraft Engines
- System, method, and device for wireless control of a vehicle's power supply3 Apr 2018US 9,931,932 B2
- Controller, method, and engine system for engine crank control27 Nov 2025US 2025/0361824 A1Cummins Power Generation Inc.
- Control device for hydrogen engine23 Oct 2025US 2025/0327428 A1Toyota Jiidosha Kabushiki Kaisha
- Oiling device and abnormality detection method of the same3 Aug 2023US 2023/0243352 A1Kobelco Compressors Corporation
- Isolation of a turbine engine heat exchanger in the event of a leak from an electrical and mechanical hydraulic control valve13 Apr 2023US 2023/0116598 A1Safran Aircraft Engines
- System and method for gear assembly lubricant system failure detection5 Dec 2019US 2019/0368380 A1GE Avio S. r. l.
Most cited
By later US patents
- Engine protection system96US 5,070,832 ACummins Engine Company, Inc. · 1991
- Hydromechanical shutoff for an internal combustion engine27US 4,102,316 ACaterpillar Tractor Co. · 1978
- System and method for enhanced engine monitoring and protection22US 6,131,539 ADetroit Diesel Corporation · 2000
- Oil condition checking system for marine propulsion unit18US 5,076,397 ASanshin Kogyo Kabushiki Kaisha · 1991
- Internal combustion engine shut-down control valve14US 4,080,946 ALenmar Industries, Inc. · 1978