H01H 1/62
Heating or cooling of contacts
H01H1/62 (Heating or cooling of contacts) appears on 97 US grants and 93 published applications in this corpus.
Search patents in H01H- Granted patents
- 97
- Published applications
- 93
- Assignees
- 70
- Inventors
- 269
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 3 |
| 2015 | 3 | 4 |
| 2016 | 3 | 5 |
| 2017 | 9 | 8 |
| 2018 | 10 | 10 |
| 2019 | 5 | 3 |
| 2020 | 4 | 1 |
| 2021 | 3 | 8 |
| 2022 | 2 | 12 |
| 2023 | 8 | 8 |
| 2024 | 8 | 7 |
| 2025 | 6 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for reducing contactor freezing19 May 2026US 12,633,470 B2Ford Global Technologies, LLC
- Hybrid circuit breaker with improved current capacity per device size24 Mar 2026US 12,586,739 B2Eaton Intelligent Power Limited
- Relay device and power supply device for vehicle30 Dec 2025US 12,512,286 B2Subaru Corporation
- Thermal absorber for contactor9 Dec 2025US 12,494,330 B2TW Connectivity Solutions GmbH
- Contactor with heat transfer device28 Oct 2025US 12,456,593 B2TE Connectivity Solutions GmbH
- Contactor Static Contact, Static Contact Assembly and Contactor13 Aug 2026US 2026/0237581 A1Tyco Electronics (Shanghai) Co., Ltd.
- Gas-insulated apparatus6 Aug 2026US 2026/0229856 A1Mitsubishi Electric Corporation
- Vacuum Circuit Breaker and Heat Transfer Assembly Therefor28 May 2026US 2026/0148914 A1Mitsubishi Electric Power Products, Inc.
- Circuit Breaker19 Mar 2026US 2026/0081087 A1ABB Schweiz AG
- Circuit assembly11 Sep 2025US 2025/0287542 A1Autonetworks Technologies, Ltd.
Most cited
By later US patents
- Microelectromechanical micro-relay with liquid metal contacts96US 6,396,371 B2Raytheon Company · 2002
- Vacuum-type circuit interrupters having heat-dissipating devices associated with the contact structures thereof62US 4,005,297 AWestinghouse Electric Corp. · 1977
- Apparatus for preventing and predicting deterioration of insulation in an electric equipment45US 5,216,226 AMitsubishi Denki Kabushiki Kaisha · 1993
- Electromagnetic relay28US 4,404,443 AThomson-CSF · 1983
- Magnet switch for starters22US 5,656,981 ANippondenso Co., Ltd. · 1997