H01H 50/163
Details concerning air-gaps
Official title: {Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion}
H01H50/163 (Details concerning air-gaps) appears on 90 US grants and 86 published applications in this corpus.
Search patents in H01H- Granted patents
- 90
- Published applications
- 86
- Assignees
- 65
- Inventors
- 222
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 3 |
| 2004 | 3 | 4 |
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 2 |
| 2013 | 4 | 8 |
| 2014 | 3 | 4 |
| 2015 | 6 | 5 |
| 2016 | 7 | 4 |
| 2017 | 3 | 5 |
| 2018 | 3 | 3 |
| 2019 | 6 | 6 |
| 2020 | 4 | 5 |
| 2021 | 4 | 4 |
| 2022 | 5 | 3 |
| 2023 | 4 | 3 |
| 2024 | 3 | 1 |
| 2025 | 3 | 6 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic circuit system with enhanced initial electromagnetic attraction and high-voltage DC relay5 May 2026US 12,620,537 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Switch5 May 2026US 12,620,538 B2Mitsubishi Electric Corporation
- Fault breaking contactor with dynamic air gap mechanism9 Dec 2025US 12,494,333 B2Sensata Technologies, Inc.
- High-voltage relay with improved mechanical shock tolerance for a drive or charging circuit of an electric vehicle with a rocker as armature4 Nov 2025US 12,462,996 B2TE Connectivity Germany GmbH
- Electromagnetic relay and electromagnetic device25 Mar 2025US 12,261,005 B2Panasonic Intellectual Property Management Co., Ltd.
- Contactor1 Oct 2026US 2026/0302114 A1Schneider Electric Industries SAS
- Relay1 Oct 2026US 2026/0302116 A1Sensata Technologies (Wuhu) Co., Ltd.
- Magnetic circuit system with enhanced intial electromagnetic attraction and high-voltage dc relay20 Aug 2026US 2026/0245820 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Electromagnetic drive unit30 Jul 2026US 2026/0221363 A1Eaton Intelligent Power Limited
- Electromagnetic reed switch relay with small cross capacitance30 Jul 2026US 2026/0221364 A1Pro-Tech Inlab, Limited Liability Company
Most cited
By later US patents
- Bistable magnet57US 4,910,487 AAvl AG · 1990
- Single pole, single current path switching system and method31US 10,361,051 B2Rockwell Automation Technologies, Inc. · 2019
- Noiseless electromagnet and a contactor using such an electromagnet25US 4,638,279 ALa Telemecanique Electrique · 1987
- Electromagnetic formed contact surface24US 6,853,276 B22005
- Security relay with guided switch stack and monostable drive23US 5,568,108 A1996