H01H 3/52
With means to ensure stopping at intermediate operative positions
Official title: with means to ensure stopping at intermediate operative positions
H01H3/52 (With means to ensure stopping at intermediate operative positions) appears on 24 US grants and 14 published applications in this corpus.
Search patents in H01H- Granted patents
- 24
- Published applications
- 14
- Assignees
- 21
- Inventors
- 66
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 3 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control and signaling device and adapter for a control and signaling device17 Jun 2025US 12,334,281 B2Eaton Intelligent Power Limited
- Control arrangement, backup system and method for controlling an inverter19 Nov 2024US 12,149,118 B2Fronius International GmbH
- Push button switch8 Oct 2024US 12,112,902 B1MIK Electronic Corporation
- Slowing mechanism for switching apparatus and switching apparatus16 Nov 2021US 11,177,085 B2ABB Schweiz AG
- Electrical switching unit with separable contacts13 Jul 2021US 11,062,858 B2Schneider Electric Industries SAS
- Control Arragenment, Backup System and Method for Controlling an Inverter14 Sep 2023US 2023/0291227 A1Fronius International GmbH
- Control and signalling device and adapter for a control and signalling device17 Aug 2023US 2023/0260722 A1Eaton Intelligent Power Limited
- Electrical switching unit with separable contacts18 Mar 2021US 2021/0082636 A1Schneider Electric Industries SAS
- Slowing mechanism for switching apparatus and switching apparatus9 Jul 2020US 2020/0219676 A1ABB Schweiz AG
- Rocker switch device29 Aug 2019US 2019/0267203 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Automatic transfer switch20US 4,804,933 ABrown Industrial Gas, Inc. · 1989
- Vacuum switching apparatus9US 6,107,592 AHitachi, Ltd. · 2000
- Electric switch8US 3,955,057 ABrown, Boveri & Cie AG · 1976
- Apparatus for preventing arc discharge of transfer switch circuit for inductive load6US 4,490,768 AJeco Co., Ltd. · 1984
- High tension circuit breaker capable of interrupting fault currents having a delayed zero crossing6US 5,510,591 AGEC Alsthom T & D SA · 1996