H01H 31/28
With angularly-movable contact
Official title: with angularly-movable contact
H01H31/28 (With angularly-movable contact) appears on 120 US grants and 105 published applications in this corpus.
Search patents in H01H- Granted patents
- 120
- Published applications
- 105
- Assignees
- 63
- Inventors
- 259
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 1 | 6 |
| 2011 | 2 | 2 |
| 2012 | 5 | 3 |
| 2013 | 6 | 8 |
| 2014 | 4 | 2 |
| 2015 | 3 | 3 |
| 2016 | 5 | 7 |
| 2017 | 4 | 6 |
| 2018 | 11 | 7 |
| 2019 | 7 | 4 |
| 2020 | 3 | 5 |
| 2021 | 7 | 7 |
| 2022 | 7 | 8 |
| 2023 | 4 | 8 |
| 2024 | 3 | 6 |
| 2025 | 7 | 12 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Voltage transformer disconnect switch for utility metering sections of a medium voltage switchgear11 Aug 2026US 12,706,261 B2Iem New Sub 2 LLC
- Conductor latch for in-line disconnect switch24 Mar 2026US 12,586,742 B2Hubbell Incorporated
- High voltage disconnect switch with switch interrupter having an actuating arm actuated by an arc horn with a spring catch12 Aug 2025US 12,387,888 B2Cleaveland/Price Inc.
- Medium voltage switching apparatus12 Aug 2025US 12,387,890 B2ABB Schweiz AG
- Electric current knife switch5 Aug 2025US 12,381,054 B2ABB Schweiz AG
- Torsion spring assembly for switching apparatus23 Jul 2026US 2026/0213097 A1Hitachi Energy Ltd
- Vertical break disconnector14 May 2026US 2026/0135051 A1Hitachi Energy Ltd
- Low and medium voltage electrical pole5 Mar 2026US 2026/0066198 A1
- Rail Vehicle Roof with Electric Roof Equipment, and Rail Vehicle16 Oct 2025US 2025/0319775 A1Siemens Mobility Austria GmbH
- Side break air switch with anti-rolling blade lock18 Sep 2025US 2025/0292979 A1
Most cited
By later US patents
- Switchgear assembly for electrical apparatus32US 4,688,013 AMitsubishi Denki Kabushiki Kaisha · 1987
- Sectionalizer with externally mounted electronic controller23US 4,935,715 AA. B. Chance Company · 1990
- Resettable internal actuating mechanism for use with an electronic sectionalizer14US 5,612,661 AHubbell Incorporated · 1997
- Air break electrical switch having a blade open/closed indicator13US 8,829,372 B1Power Products, LLC · 2014
- Group operated circuit disconnect apparatus for overhead electric power lines12US 5,483,030 A1996