H01H 71/164
Heating elements
Official title: {Heating elements}
H01H71/164 (Heating elements) appears on 79 US grants and 51 published applications in this corpus.
Search patents in H01H- Granted patents
- 79
- Published applications
- 51
- Assignees
- 38
- Inventors
- 160
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 3 |
| 2014 | 0 | 5 |
| 2015 | 1 | 10 |
| 2016 | 7 | 4 |
| 2017 | 7 | 1 |
| 2018 | 5 | 4 |
| 2019 | 5 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Trip device14 Jan 2025US 12,198,883 B2Ls Electric Co., Ltd.
- Circuit breaker and method for operating a circuit breaker13 Aug 2024US 12,062,514 B2Eaton Intelligent Power Limited
- Circuit breakers20 Apr 2021US 10,985,552 B2Bourns, Inc.
- Heat sensitive electrical safety device3 Nov 2020US 10,827,562 B2
- Miniature safety switch24 Mar 2020US 10,600,597 B2Ellenberger & Poensgen GmbH
- Instantaneous trip apparatus of molded case circuit breaker30 Jul 2026US 2026/0221366 A1Ls Electric Co., Ltd.
- Trip device for manual motor starter10 Apr 2025US 2025/0118516 A1Ls Electric Co., Ltd.
- Circuit breaker and method for operating a circuit breaker2 Mar 2023US 2023/0062435 A1Eaton Intelligent Power Limited
- Trip device1 Dec 2022US 2022/0384134 A1Ls Electric Co., Ltd.
- Electrical contact assembly using silver graphite29 Oct 2020US 2020/0343066 A1Sensata Technologies, Inc.
Most cited
By later US patents
- Molded case circuit breaker with interchangeable trip unit having bimetal assembly which registers with permanent heater transformer airgap103US 5,608,367 AEaton Corporation · 1997
- Process and device for setting a thermal trip device with bimetal strip102US 5,317,471 A1994
- Multipole electrical circuit breaker with improved interchangeable trip units89US 4,276,527 AMerlin Gerin · 1981
- Motor protector calibratable by housing deformation having improved sealing and compactness61US 4,376,926 ATexas Instruments Incorporated · 1983
- Over-current and thermal protection device38US 6,570,749 B1Advanced Battery Technology LTD · 2003