H01T 2/02
Comprising a trigger electrode or an auxiliary spark gap
Official title: comprising a trigger electrode or an auxiliary spark gap
H01T2/02 (Comprising a trigger electrode or an auxiliary spark gap) appears on 173 US grants and 129 published applications in this corpus.
Search patents in H01T- Granted patents
- 173
- Published applications
- 129
- Assignees
- 108
- Inventors
- 343
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 1 |
| 2004 | 2 | 3 |
| 2005 | 4 | 4 |
| 2006 | 0 | 0 |
| 2007 | 2 | 6 |
| 2008 | 4 | 5 |
| 2009 | 0 | 5 |
| 2010 | 7 | 3 |
| 2011 | 3 | 4 |
| 2012 | 6 | 4 |
| 2013 | 2 | 4 |
| 2014 | 7 | 10 |
| 2015 | 6 | 13 |
| 2016 | 5 | 7 |
| 2017 | 13 | 8 |
| 2018 | 4 | 12 |
| 2019 | 15 | 8 |
| 2020 | 4 | 6 |
| 2021 | 7 | 5 |
| 2022 | 4 | 7 |
| 2023 | 6 | 2 |
| 2024 | 5 | 7 |
| 2025 | 5 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surge arrester for DC mains and method of operating such a surge arrester2 Jun 2026US 12,646,931 B2Dehn SE
- Three-dimensional graphene network electrode for a high-power switch circuit21 Oct 2025US 12,451,672 B2The Boeing Company
- Overvoltage protection spark gap assembly and method for operating an overvoltage protection spark gap assembly7 Oct 2025US 12,438,355 B2Dehn SE
- Surge protective devices16 Sep 2025US 12,418,175 B2Ripd IP Development Ltd
- Arc mitigation apparatus and systems for panelboard applications4 Mar 2025US 12,244,122 B2Eaton Intelligent Power Limited
- Gas-filled spark gap18 Dec 2025US 2025/0385488 A1Citel
- Surge protective devices11 Dec 2025US 2025/0379441 A1Ripd IP Development Ltd
- Three-dimensional graphene network electrode for a high-power switch circuit12 Sep 2024US 2024/0305068 A1The Boeing Company
- Overvoltage protection spark gap assembly and method for operating an overvoltage protection spark gap assembly12 Sep 2024US 2024/0305087 A1Dehn SE
- Surge arrester for dc mains and method of operating such a surge arrester8 Aug 2024US 2024/0266824 A1Dehn SE
Most cited
By later US patents
- Coaxial pseudospark discharge switch74US 5,126,638 AMaxwell Laboratories, Inc. · 1992
- Integrated silicon plasma switch55US 4,840,122 AHoneywell Inc. · 1989
- Overvoltage protection for series capacitor equipment39US 5,325,259 AAsea Brown Boveri AG · 1994
- Optical pseudospark switch39US 5,399,941 AThe United States of America as represented by the Secretary of the Navy · 1995
- Plasma switch with hollow, thermionic cathode35US 5,075,594 AHughes Aircraft Company · 1991