H01H 33/025
Terminal arrangements
Official title: {Terminal arrangements (for vacuum switches H01H33/6606)}
H01H33/025 (Terminal arrangements) appears on 69 US grants and 61 published applications in this corpus.
Search patents in H01H- Granted patents
- 69
- Published applications
- 61
- Assignees
- 51
- Inventors
- 172
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 3 |
| 2015 | 2 | 5 |
| 2016 | 2 | 4 |
| 2017 | 6 | 3 |
| 2018 | 3 | 2 |
| 2019 | 5 | 5 |
| 2020 | 4 | 5 |
| 2021 | 6 | 6 |
| 2022 | 3 | 2 |
| 2023 | 4 | 3 |
| 2024 | 2 | 6 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High-voltage device and method for increasing the dielectric strength in the high-voltage device20 Jan 2026US 12,531,194 B2Siemens Energy Global GmbH & Co. KG
- Medium voltage switching apparatus12 Aug 2025US 12,387,890 B2ABB Schweiz AG
- System and method for operating an electrical switch1 Apr 2025US 12,266,487 B2Hubbell Incorporated
- Contactor device, energy storage system and method for controlling a contactor device24 Dec 2024US 12,176,161 B2Munich Electrification GmbH
- Alternative gas current pause circuit interrupter8 Oct 2024US 12,112,905 B2Southern States, LLC
- Gas-insulated apparatus6 Aug 2026US 2026/0229856 A1Mitsubishi Electric Corporation
- Rc arrangements for switching inductive currents, using high-voltage vacuum switches5 Feb 2026US 2026/0038755 A1Siemens Energy Global GmbH & Co. KG
- System and method for operating an electrical switch10 Jul 2025US 2025/0226165 A1
- Gas-insulated high or medium voltage circuit breaker21 Nov 2024US 2024/0387125 A1Hitachi Energy Ltd
- Sub-contact unit and direct current relay including same31 Oct 2024US 2024/0363297 A1Ls Electric Co., Ltd.
Most cited
By later US patents
- Metal-enclosed gas-filled switchgear units17US 5,578,805 AABB Management AG · 1996
- High current switch and method of operation16US 7,397,012 B2Thomas & Betts International, Inc. · 2008
- Current transfer shunt arrangement14US 4,533,798 AMcGraw-Edison Company · 1985
- Self-locking power connector12US 8,197,289 B1Schneider Electric USA, Inc. · 2012
- Slip-through mounting structure for circuit interrupter10US 5,495,084 AABB Power T&D Company Inc. · 1996