H01H 50/023
Details concerning sealing
Official title: {Details concerning sealing, e.g. sealing casing with resin}
H01H50/023 (Details concerning sealing) appears on 312 US grants and 312 published applications in this corpus.
Search patents in H01H- Granted patents
- 312
- Published applications
- 312
- Assignees
- 131
- Inventors
- 613
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 4 |
| 2003 | 2 | 2 |
| 2004 | 3 | 5 |
| 2005 | 6 | 9 |
| 2006 | 3 | 2 |
| 2007 | 3 | 1 |
| 2008 | 2 | 6 |
| 2009 | 3 | 14 |
| 2010 | 3 | 7 |
| 2011 | 9 | 8 |
| 2012 | 14 | 11 |
| 2013 | 8 | 27 |
| 2014 | 18 | 12 |
| 2015 | 18 | 21 |
| 2016 | 15 | 13 |
| 2017 | 14 | 12 |
| 2018 | 10 | 22 |
| 2019 | 17 | 11 |
| 2020 | 6 | 12 |
| 2021 | 11 | 17 |
| 2022 | 12 | 21 |
| 2023 | 13 | 24 |
| 2024 | 14 | 16 |
| 2025 | 21 | 20 |
| 2026 | 6 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electromagnetic relay8 Sep 2026US 12,731,748 B2Xiamen Hongfa Automotive Electronics Co., Ltd.
- Hermetic terminal and contact device using hermetic terminal16 Jun 2026US 12,658,611 B2SCHOTT Japan Corporation
- Specially packaged relay and packaging method thereof7 Apr 2026US 12,597,574 B2Xiamen Hongfa Electroacoustic Co., Ltd.
- Contactor and air conditioning system3 Mar 2026US 12,567,549 B2Xiamen Hongfa Electrical Safety & Controls Co., Ltd.
- Hermetically sealed manual disconnect with integrated bellows actuator10 Feb 2026US 12,548,717 B2Rincon Power, LLC
- Contactor Static Contact, Static Contact Assembly and Contactor13 Aug 2026US 2026/0237581 A1Tyco Electronics (Shanghai) Co., Ltd.
- Sealed electrical devices13 Aug 2026US 2026/0237583 A1Sensata Technologies, Inc.
- Electromagnetic reed switch relay with small cross capacitance30 Jul 2026US 2026/0221364 A1Pro-Tech Inlab, Limited Liability Company
- Fault breaking contactor with dynamic air gap mechanism11 Jun 2026US 2026/0162919 A1Sensata Technologies, Inc.
- Relay28 May 2026US 2026/0148920 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
Most cited
By later US patents
- Sealed contact device with contact gap adjustment capability102US 5,892,194 AMatsushita Electric Works, Ltd. · 1999
- Electromagnetic switching apparatus68US 6,911,884 B2Matsushita Electric Works, Ltd. · 2005
- Contact device63US 8,138,872 B2OMRON Corporation · 2012
- Contact device56US 7,859,373 B2Panasonic Electric Works Co., Ltd. · 2010
- Electromagnetic relay52US 8,138,863 B2OMRON Corporation · 2012