H01H 2050/025
Containing inert or dielectric gasses
Official title: {containing inert or dielectric gasses, e.g. SF6, for arc prevention or arc extinction}
H01H2050/025 (Containing inert or dielectric gasses) appears on 144 US grants and 159 published applications in this corpus.
Search patents in H01H- Granted patents
- 144
- Published applications
- 159
- Assignees
- 56
- Inventors
- 235
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 5 |
| 2006 | 1 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 11 |
| 2010 | 2 | 2 |
| 2011 | 5 | 3 |
| 2012 | 7 | 10 |
| 2013 | 6 | 21 |
| 2014 | 14 | 8 |
| 2015 | 14 | 16 |
| 2016 | 14 | 4 |
| 2017 | 6 | 2 |
| 2018 | 4 | 9 |
| 2019 | 4 | 3 |
| 2020 | 2 | 4 |
| 2021 | 4 | 9 |
| 2022 | 4 | 10 |
| 2023 | 6 | 11 |
| 2024 | 6 | 5 |
| 2025 | 10 | 12 |
| 2026 | 1 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hermetically sealed manual disconnect with integrated bellows actuator10 Feb 2026US 12,548,717 B2Rincon Power, LLC
- Thermal absorber for contactor9 Dec 2025US 12,494,330 B2TW Connectivity Solutions GmbH
- Relay having a pressure relief valve assembly2 Dec 2025US 12,488,954 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Connecting structure between lead-out pins of auxiliary stationary contacts and yoke plate of DC relay25 Nov 2025US 12,482,621 B2Xiamen Hongfa Electric Power Controls Co., Ltd.
- Switching device with at least one movable contact, at least one auxiliary contact, at least one spring contact and a contact plate21 Oct 2025US 12,451,312 B2TDK Electronics Co., Ltd.
- Sealed electrical devices13 Aug 2026US 2026/0237583 A1Sensata Technologies, Inc.
- Relay28 May 2026US 2026/0148920 A1Xiamen Hongfa Electric Power Controls Co., Ltd.
- Hermetically sealed manual disconnect with integrated bellows actuator21 May 2026US 2026/0142095 A1Rincon Power, LLC
- DC Contactor12 Feb 2026US 2026/0045426 A1Tyco Electronics Technology (SIP) Co., Ltd.
- Relay12 Feb 2026US 2026/0045432 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