F01P 2025/80
Concentration anti-freeze
F01P2025/80 (Concentration anti-freeze) appears on 21 US grants and 14 published applications in this corpus.
Search patents in F01P- Granted patents
- 21
- Published applications
- 14
- Assignees
- 15
- Inventors
- 56
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cooling loop, in particular for a motor vehicle, and sensor fitted on board the loop22 Jul 2025US 12,366,197 B2Valeo Systemes Thermiques
- Internal combustion system4 Oct 2022US 11,459,938 B2Toyota Jidosha Kabushiki Kaisha
- Sensors for cooling system fluid attributes22 Dec 2020US 10,871,481 B2Hewlett Packard Enterprise Development LP
- Engine coolant monitoring system for a machine10 Sep 2019US 10,408,118 B2Caterpillar Inc.
- Systems and methods for a cooling system of a vehicle engine13 Aug 2019US 10,378,425 B2Ford Global Technologies, LLC
- Cooling loop, in particular for a motor vehicle, and sensor fitted on board the loop18 Apr 2024US 2024/0125266 A1Valeo Systemes Thermiques
- Internal combustion system23 Jun 2022US 2022/0195911 A1Toyota Jidosha Kabushiki Kaisha
- Method and system for maintaining an engine coolant level8 Nov 2018US 2018/0320578 A1Ford Global Technologies, LLC
- Systems and methods for a cooling system of a vehicle engine27 Sep 2018US 2018/0274429 A1Ford Global Technologies, LLC
- Sensors for cooling system fluid attributes18 Jan 2018US 2018/0017538 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- Coolant filter with coolant additive sensor69US 6,098,575 ANavistar International Transportation Corp. · 2000
- Method and apparatus for monitoring the effectiveness of corrosion inhibition of coolant fluid27US 4,147,596 ATexas Instruments Incorporated · 1979
- Device to automatically add a controlled amount of corrosion inhibitor in an engine cooling system20US 4,338,959 ABorg-Warner Corporation · 1982
- Control valve for an engine cooling circuit17US 7,255,130 B2Valeo Thermique Moteur · 2007
- Coolant condition sensor apparatus11US 4,662,232 ATexas Instruments Incorporated · 1987