F01P 5/14
Safety means against, or active at, failure of coolant-pumps drives
Official title: Safety means against, or active at, failure of coolant-pumps drives, e.g. shutting engine down; Means for indicating functioning of coolant pumps
F01P5/14 (Safety means against, or active at, failure of coolant-pumps drives) appears on 71 US grants and 44 published applications in this corpus.
Search patents in F01P- Granted patents
- 71
- Published applications
- 44
- Assignees
- 39
- Inventors
- 138
- Latest grant
- 16 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 4 |
| 2014 | 5 | 4 |
| 2015 | 3 | 4 |
| 2016 | 1 | 4 |
| 2017 | 8 | 4 |
| 2018 | 2 | 1 |
| 2019 | 3 | 3 |
| 2020 | 2 | 3 |
| 2021 | 3 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and system for diagnosing an engine coolant pump16 May 2023US 11,649,760 B1Ford Global Technologies, LLC
- Method of determining condition of coolant in vehicle28 Dec 2021US 11,207,943 B2Hyundai Motor Company
- Engine assembly with heat management system21 Sep 2021US 11,125,185 B2Pratt & Whiiney Canada Corp.
- Coolant pump for an internal combustion engine23 Feb 2021US 10,927,847 B2Ford Global Technologies, LLC
- Fault diagnosis apparatus of coolant circulation system for vehicle15 Sep 2020US 10,774,728 B2Hyundai Motor Company
- Water pump diagnosis device11 Sep 2025US 2025/0283426 A1Honda Motor Co., Ltd.
- Engine assembly with heat management system6 Aug 2020US 2020/0248648 A1Pratt & Whitney Canada Corp.
- Fault diagnosis apparatus of coolant circulation system for vehicle11 Jun 2020US 2020/0182131 A1Hyundai Motor Company
- Method of determining condition of coolant in vehicle23 Apr 2020US 2020/0122543 A1Hyundai Motor Company
- Coolant pump for an internal combustion engine26 Sep 2019US 2019/0292974 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Exhaust system for watercraft34US 5,536,189 ASanshin Kogyo Kabushiki Kaisha · 1996
- Methods of and apparatus for identifying faults in internal combustion engine cooling systems24US 6,389,889 B12002
- Vehicle cooling system with electric motor overcurrent inhibiting control19US 6,016,965 ADenso Corporation · 2000
- Cooling system for vehicle19US 8,649,931 B2Toyota Jidosha Kabushiki Kaisha · 2014
- System for controlling automobile cooling fan18US 5,718,373 ASamsung Electronics Co., Ltd. · 1998