H01T 1/14
Means structurally associated with spark gap for protecting it against overload or
Official title: Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure (H01T1/15, H01T1/16, H01T1/18 take precedence; emergency protective circuit arrangements for spark gap arrestors H02H7/24)
H01T1/14 (Means structurally associated with spark gap for protecting it against overload or) appears on 310 US grants and 145 published applications in this corpus.
Search patents in H01T- Granted patents
- 310
- Published applications
- 145
- Assignees
- 121
- Inventors
- 460
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 12 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 17 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 13 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 0 |
| 2003 | 3 | 5 |
| 2004 | 4 | 3 |
| 2005 | 3 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 5 |
| 2009 | 3 | 3 |
| 2010 | 4 | 8 |
| 2011 | 3 | 7 |
| 2012 | 7 | 2 |
| 2013 | 5 | 7 |
| 2014 | 5 | 8 |
| 2015 | 6 | 5 |
| 2016 | 6 | 7 |
| 2017 | 8 | 9 |
| 2018 | 8 | 8 |
| 2019 | 4 | 6 |
| 2020 | 5 | 8 |
| 2021 | 7 | 8 |
| 2022 | 8 | 9 |
| 2023 | 13 | 8 |
| 2024 | 5 | 11 |
| 2025 | 7 | 9 |
| 2026 | 3 | 2 |
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
- Overvoltage protection device and method of manufacturing such a device7 Apr 2026US 12,597,540 B2Citel
- Assembly comprising a disconnecting device for a surge-arresting device17 Feb 2026US 12,555,708 B2Siemens Energy Global GmbH & Co. KG
- Chargeless interrupter device for surge arrester9 Dec 2025US 12,494,632 B2Hitachi Energy Ltd
- Spacing-assured electric field shield for gas discharge tube of motor control18 Nov 2025US 12,477,650 B2Nidec Motor Corporation
- Surge protection device, mov with integrated short circuit protection, insertion system and arc shield16 Apr 2026US 2026/0106451 A1MERSEN USA EP Corp.
- Assembly comprising a disconnecting device for a surge-arresting device9 Apr 2026US 2026/0100299 A1Siemens Energy Global GmbH & Co. KG
- Spark gap structures and methods in an integrated circuit device25 Dec 2025US 2025/0391790 A1Allegro MicroSystems, LLC
- Assembly for an overvoltage protection device, overvoltage protection device and method for producing an assembly30 Oct 2025US 2025/0337222 A1Dehn SE
- Overvoltage protection device25 Sep 2025US 2025/0300455 A1Citel
Most cited
By later US patents
- Line protector for a communications circuit121US 4,262,317 AReliable Electric Company · 1981
- Arrester disconnecting device94US 4,864,455 AMitsubishi Denki Kabushiki Kaisha · 1989
- Circuit protection device91US 6,430,019 B1Ferraz · 2002
- Electrical switching device for thermal and overvoltage protection72US 4,085,397 AEmerson Electric Co. · 1978
- Telecommunication protector unit with pivotal surge protector56US 4,796,150 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1989