F01P 2025/04
Pressure
F01P2025/04 (Pressure) appears on 190 US grants and 127 published applications in this corpus.
Search patents in F01P- Granted patents
- 190
- Published applications
- 127
- Assignees
- 102
- Inventors
- 412
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 11 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 7 |
| 2003 | 3 | 4 |
| 2004 | 8 | 9 |
| 2005 | 4 | 7 |
| 2006 | 7 | 7 |
| 2007 | 5 | 2 |
| 2008 | 4 | 3 |
| 2009 | 3 | 7 |
| 2010 | 5 | 7 |
| 2011 | 7 | 5 |
| 2012 | 4 | 3 |
| 2013 | 1 | 4 |
| 2014 | 5 | 4 |
| 2015 | 3 | 0 |
| 2016 | 3 | 6 |
| 2017 | 0 | 6 |
| 2018 | 6 | 8 |
| 2019 | 8 | 7 |
| 2020 | 9 | 8 |
| 2021 | 10 | 7 |
| 2022 | 11 | 5 |
| 2023 | 8 | 4 |
| 2024 | 1 | 0 |
| 2025 | 4 | 6 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Active bleed flow modulation19 Aug 2025US 12,392,289 B2Rtx Corporation
- Apparatus and methods related to coolant diverter valves15 Jul 2025US 12,359,608 B2Perkins Engines Company Limited
- Passive surge tank pressure augmentation3 Jun 2025US 12,320,289 B1GM Global Technology Operations LLC
- Cooling system for a gas engine piston, gas engine, cooling method for gas engine piston11 Feb 2025US 12,221,918 B2Caterpillar Energy Solutions GmbH
- Method and device for filling a hydraulic system with a hydraulic fluid10 Dec 2024US 12,163,457 B2Daimler Truck AG
- Device and method for exchanging vehicle fluids25 Dec 2025US 2025/0389220 A1Volvo Truck Corporation
- Pressure equalization tank for a coolant system of an electrically driven motor vehicle11 Dec 2025US 2025/0376940 A1
- Passive surge tank pressure augmentation29 May 2025US 2025/0172086 A1GM Global Technology Operations LLC
- System, method, and apparatus for controlling fluid flow from piston cooling nozzles1 May 2025US 2025/0137398 A1Cummins Inc.
- Apparatus and Methods Related to Coolant Diverter Valves27 Mar 2025US 2025/0101903 A1Perkins Engines Company Limited
Most cited
By later US patents
- Cooling system for a vehicle having an internal-combustion engine99US 5,215,044 ABehr GmbH & Co. · 1993
- Cooling air flap and blower control for motor vehicles69US 4,779,577 ADr. Ing. h,c.F. Porsche Aktiengesellschaft · 1988
- Vehicular use cooling apparatus58US 5,353,757 ANippondenso Co., Ltd. · 1994
- Device and method for engine cooling56US 5,036,803 ARobert Bosch GmbH · 1991
- Dual coolant engine cooling system47US 4,348,991 ACummins Engine Company, Inc. · 1982