F01P 2003/001
Cooling liquid
Official title: {Cooling liquid}
F01P2003/001 (Cooling liquid) appears on 93 US grants and 98 published applications in this corpus.
Search patents in F01P- Granted patents
- 93
- Published applications
- 98
- Assignees
- 64
- Inventors
- 236
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 2 | 8 |
| 2015 | 5 | 7 |
| 2016 | 4 | 6 |
| 2017 | 7 | 10 |
| 2018 | 3 | 11 |
| 2019 | 13 | 10 |
| 2020 | 10 | 15 |
| 2021 | 17 | 4 |
| 2022 | 9 | 4 |
| 2023 | 2 | 2 |
| 2024 | 4 | 3 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Traction drive having a cooling system with two cooling circuits17 Feb 2026US 12,553,511 B2ZF Friedrichshafen AG
- Aircraft power plant8 Jul 2025US 12,351,322 B2Pratt & Whitney Canada Corp.
- Internal combustion engine with thermochemical recuperation of waste heat and a method for thermochemical recuperation10 Jun 2025US 12,326,124 B2Technion Research & Development Foundation Limited
- Aircraft power plant3 Dec 2024US 12,157,578 B2Pratt & Whitney Canada Corp.
- Water management system for a hydrogen engine12 Nov 2024US 12,140,068 B1Hyundai Motor Company
- Cooling package arrangement11 Jun 2026US 2026/0160196 A1Deere & Company
- Dual-use coolant and lubricant17 Jul 2025US 2025/0230374 A1Cummins Inc.
- Aircraft power plant13 Feb 2025US 2025/0051017 A1Pratt & Whitney Canada Corp.
- Heat transfer fluids based on synthetic esters31 Oct 2024US 2024/0360352 A1Vgp Ipco LLC
- Traction drive having a cooling system with two cooling circuits29 Aug 2024US 2024/0288060 A1ZF Friedrichshafen AG
Most cited
By later US patents
- Diesel engine cooling system compositions47US 4,717,495 AFleetguard, Inc. · 1988
- Dual loop liquid cooling of integrated electric drivetrain32US 10,272,767 B1Chongqing Jinkang New Energy Vehicle Co., Ltd. · 2019
- Engine cooling system with temperature-controlled expansion chamber for maintaining a substantially anhydrous coolant, and related method of cooling22US 5,868,105 AEvans Cooling Systems, Inc. · 1999
- Internal combustion engines having separated cooling circuits for the cylinder head and the engine block22US 6,340,006 B12002
- Internally cooled high compression lean-burning internal combustion engine22US 8,935,996 B2Nostrum Energy Pte. Ltd. · 2015