H02H 5/04
Responsive to abnormal temperature
Official title: responsive to abnormal temperature {(specially adapted for electric machines H02H7/0852)}
H02H5/04 (Responsive to abnormal temperature) appears on 964 US grants and 940 published applications in this corpus.
Search patents in H02H- Granted patents
- 964
- Published applications
- 940
- Assignees
- 568
- Inventors
- 2,378
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 9 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 10 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 10 | 0 |
| 1992 | 12 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 16 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 3 |
| 2002 | 10 | 12 |
| 2003 | 14 | 9 |
| 2004 | 16 | 12 |
| 2005 | 7 | 14 |
| 2006 | 6 | 19 |
| 2007 | 6 | 11 |
| 2008 | 13 | 14 |
| 2009 | 12 | 13 |
| 2010 | 14 | 15 |
| 2011 | 11 | 14 |
| 2012 | 9 | 33 |
| 2013 | 14 | 31 |
| 2014 | 22 | 40 |
| 2015 | 36 | 77 |
| 2016 | 45 | 39 |
| 2017 | 43 | 53 |
| 2018 | 40 | 76 |
| 2019 | 72 | 56 |
| 2020 | 60 | 70 |
| 2021 | 57 | 53 |
| 2022 | 58 | 52 |
| 2023 | 35 | 57 |
| 2024 | 60 | 63 |
| 2025 | 55 | 60 |
| 2026 | 32 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02H 5/042Using temperature dependent resistors231
- H02H 5/047Using a temperature responsive switch155
- H02H 5/041Additionally responsive to excess current145
- H02H 5/044Using a semiconductor device to sense the temperature134
- H02H 5/045Using a thermal radiation sensor13
- H02H 5/046Using a thermocouple10
- H02H 5/06In oil-filled electric apparatus9
Recent patents
- Solid-state battery management system for high current applications29 Sep 2026US 12,749,721 B2Ford Global Technologies, LLC
- Anti-explosion electronic device and method thereof22 Sep 2026US 12,744,373 B2Winmate Inc.
- Cordless vacuum cleaner adopting overheating protection method15 Sep 2026US 12,733,784 B2Samsung Electronics Co., Ltd.
- Control device and control method8 Sep 2026US 12,731,981 B2Denso Corporation
- Electrical energy storage system with integrated fault warning system1 Sep 2026US 12,726,017 B2Volvo Truck Corporation
- Vehicle battery protection device, and method for thermal management of same8 Oct 2026US 2026/0312397 A1Clarity Development LLC
- Power supply capable of providing output port over-temperature warning1 Oct 2026US 2026/0299659 A1Wentai Technology Corporation
- Ecu power cable fault detection17 Sep 2026US 2026/0276740 A1Cummins Inc.
- Fire prevention assembly and method for fire prevention in electronics10 Sep 2026US 2026/0263849 A1Hl Mando Corporation
- Overload protection in an electronic device10 Sep 2026US 2026/0269598 A1Signify Holding B. V.
Most cited
By later US patents
- Silicon equivalent PTC circuit385US 6,340,878 B12002
- Thermally aided power sharing of power supplies with or without an external current share line234US 5,905,645 AAstec International Limited · 1999
- Temperature protection circuit for power converter and method of operation thereof227US 6,078,511 ALucent Technologies Inc. · 2000
- Temperature share scheme221US 5,493,154 AAstec International Limited · 1996
- Hybrid alternator213US 5,747,909 AEcoair Corp. · 1998