H01H 31/02
Details
H01H31/02 (Details) appears on 275 US grants and 211 published applications in this corpus.
Search patents in H01H- Granted patents
- 275
- Published applications
- 211
- Assignees
- 124
- Inventors
- 513
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 3 |
| 2003 | 8 | 4 |
| 2004 | 2 | 4 |
| 2005 | 5 | 5 |
| 2006 | 3 | 4 |
| 2007 | 2 | 4 |
| 2008 | 1 | 2 |
| 2009 | 6 | 11 |
| 2010 | 5 | 12 |
| 2011 | 6 | 6 |
| 2012 | 9 | 5 |
| 2013 | 6 | 14 |
| 2014 | 6 | 11 |
| 2015 | 13 | 7 |
| 2016 | 13 | 16 |
| 2017 | 8 | 10 |
| 2018 | 14 | 5 |
| 2019 | 7 | 4 |
| 2020 | 9 | 13 |
| 2021 | 15 | 8 |
| 2022 | 11 | 17 |
| 2023 | 11 | 10 |
| 2024 | 10 | 11 |
| 2025 | 12 | 19 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switch for a medium voltage or high voltage switchgear6 Oct 2026US 12,755,911 B2ABB Schweiz AG
- Power line protection coordination schemes using pivotable multi-fuse assemblies6 Oct 2026US 12,755,920 B2Saudi Arabian Oil Company
- Breaker unit and air circuit breaker comprising same21 Apr 2026US 12,609,255 B2Ls Electric Co., Ltd.
- Wildlife guard for cutout fuse holder10 Mar 2026US 12,568,955 B2Central Moloney, Inc.
- Cutout cover6 Jan 2026US 12,518,941 B1Nsa Rup, LLC
- Torsion spring assembly for switching apparatus23 Jul 2026US 2026/0213097 A1Hitachi Energy Ltd
- System for protecting against short-circuits4 Jun 2026US 2026/0152072 A1Pyroalliance
- Manual operation assembly14 May 2026US 2026/0135048 A1
- Vertical break disconnector14 May 2026US 2026/0135051 A1Hitachi Energy Ltd
- Mechanical fuse device for protecting switching apparatus30 Apr 2026US 2026/0117826 A1Hitachi Energy Ltd
Most cited
By later US patents
- Method and apparatus for detecting and responding to downed conductors80US 5,341,265 AKearney-National, Inc. · 1994
- Pull-out high current switch54US 5,973,418 ACooper Technologies Company · 1999
- Mounting for an article which permits movement thereof between inaccessible and accessible positions32US 4,463,227 AS&C Electric Company · 1984
- Switchgear assembly for electrical apparatus32US 4,688,013 AMitsubishi Denki Kabushiki Kaisha · 1987
- Handling tool for overhead-mounted devices28US 5,742,220 AS&C Electric Company · 1998