H01T 1/12
Means structurally associated with spark gap for recording operation thereof
H01T1/12 (Means structurally associated with spark gap for recording operation thereof) appears on 47 US grants and 35 published applications in this corpus.
Search patents in H01T- Granted patents
- 47
- Published applications
- 35
- Assignees
- 31
- Inventors
- 110
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 4 |
| 2012 | 1 | 0 |
| 2013 | 5 | 0 |
| 2014 | 0 | 4 |
| 2015 | 1 | 2 |
| 2016 | 4 | 1 |
| 2017 | 2 | 2 |
| 2018 | 2 | 0 |
| 2019 | 1 | 3 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Monitoring arrangement and method for monitoring a surge5 May 2026US 12,618,879 B2Hitachi Energy Ltd
- Surge protection device integrating a current measurement sensor25 Mar 2025US 12,259,412 B2Citel
- Methods and systems for remote monitoring of surge protective devices21 May 2024US 11,990,745 B2Raycap IP Development Ltd
- Surge protection device and modular surge protection system14 Nov 2023US 11,817,237 B2Dehn SE
- Overvoltage protection apparatus and modular overvoltage protection system22 Aug 2023US 11,735,890 B2Dehn SE
- Surge protection device, mov with integrated short circuit protection, insertion system and arc shield16 Apr 2026US 2026/0106451 A1MERSEN USA EP Corp.
- Surge protective device and corresponding module3 Jul 2025US 2025/0219358 A1Dehn SE
- Monitoring system and method for monitoring a voltage network12 Jun 2025US 2025/0192607 A1Dehn SE
- Assembly for potential equalization in potentially explosive areas19 Dec 2024US 2024/0421579 A1Dehn SE
- Monitoring arrangement and method for monitoring a surge1 Aug 2024US 2024/0255550 A1Hitachi Energy Ltd
Most cited
By later US patents
- Circuit protection device91US 6,430,019 B1Ferraz · 2002
- Surge voltage protection device with improved disconnection and visual indication means38US 7,684,166 B2ABB France · 2010
- Protection plug33US 5,574,614 AKrone Aktiengesellschaft · 1996
- Circuit protection device29US 6,040,971 A2000
- High voltage surge arrester with failed surge arrester signaling device28US 5,237,482 AJoslyn Corporation · 1993