H01H 35/2657
With different switches operated at substantially different pressures
Official title: {with different switches operated at substantially different pressures}
H01H35/2657 (With different switches operated at substantially different pressures) appears on 73 US grants and 23 published applications in this corpus.
Search patents in H01H- Granted patents
- 73
- Published applications
- 23
- Assignees
- 50
- Inventors
- 118
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 4 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure switch with two pressing members and a hermetic electric compressor arrangement therewith25 Nov 2025US 12,480,486 B2Ubukata Industries Co., Ltd.
- Switch assembly for valve actuator8 Apr 2025US 12,270,487 B2Automatic Switch Company
- High anti-vibration gas density monitor30 Jan 2024US 11,885,827 B2Shanghai Roye Electric Co., Ltd.
- Flexible switches affected by lateral or vertical actuation10 Jan 2023US 11,551,881 B2Auckland Uniservices Limited
- Switch assembly for valve actuator3 Jan 2023US 11,543,047 B2Automatic Switch Company
- Simulation verification method and apparatus for gas density relay27 Aug 2026US 2026/0251713 A1Shanghai Roye Electric Co., Ltd.
- Method, device, use and installation for gas density monitoring10 Apr 2025US 2025/0116588 A1Trafag AG
- Zero-power operable classification device and switching device and voice-operated powerless wake-up switch30 Jan 2025US 2025/0037708 A1ETH Zurich
- Pressure switch and hermetic electric compressor5 Sep 2024US 2024/0297003 A1Ubukata Industries Co., Ltd.
- Flexible switches affected by lateral or vertical actuation29 Jun 2023US 2023/0207227 A1Auckland Uniservices Limited
Most cited
By later US patents
- Fluid level sensing and control system61US 6,595,051 B1Chandler Systems, Inc. · 2003
- Microminiature force-sensitive switch42US 4,543,457 ATransensory Devices, Inc. · 1985
- Electric circuit controlling device37US 4,703,140 AGeneral Electric Company · 1987
- Plural set point pressure responsive switching apparatus utilizing a single pressure sensing driver element34US 5,004,873 AEaton Corporation · 1991
- Single pole make make switch and pressure switch using same29US 4,471,182 AThe Singer Company · 1984