H01H 35/343
By snap acting diaphragm
Official title: {by snap acting diaphragm}
H01H35/343 (By snap acting diaphragm) appears on 51 US grants and 14 published applications in this corpus.
Search patents in H01H- Granted patents
- 51
- Published applications
- 14
- Assignees
- 29
- Inventors
- 86
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pressure switch with two pressing members and a hermetic electric compressor arrangement therewith25 Nov 2025US 12,480,486 B2Ubukata Industries Co., Ltd.
- Pressure-actuated switch for compressors30 Sep 2025US 12,431,307 B2WIKA Alexander Wiegand SE & Co. KG
- Vacuum circuit breaker19 Oct 2021US 11,152,172 B2Camlin Technologies Limited
- Pressure switch6 Jul 2021US 11,056,301 B2Kabushiki Kaisha Saginomiya Seisakusho
- Pressure switch and hermetically sealed electric compressor5 Jan 2021US 10,886,084 B2Ubukata Industries Co., Ltd.
- Pressure switch and hermetic electric compressor5 Sep 2024US 2024/0297003 A1Ubukata Industries Co., Ltd.
- Pressure-actuated switch for compressors18 Jan 2024US 2024/0021385 A1WIKA Alexander Wiegand SE & Co. KG
- Improved vacuum circuit breaker25 Mar 2021US 2021/0090831 A1Camlin Technologies Limited
- Pressure Switch30 Jul 2020US 2020/0243287 A1Kabushiki Kaisha Saginomiya Seisakusho
- Pressure switch and hermetically sealed electric compressor28 Nov 2019US 2019/0362919 A1Ubukata Industries Co., Ltd.
Most cited
By later US patents
- Microengineered diaphragm pressure switch63US 4,965,415 AThorn EMI plc · 1990
- Pressure and temperature responsive switch assembly56US 6,342,826 B12002
- Current interrupt apparatus for electrochemical cells50US 6,210,824 B1Texas Instruments Incorporated · 2001
- Pressure responsive control unit employing snap action diaphragm27US 4,220,836 ARanco Incorporated · 1980
- Condition responsive apparatus having freely disposed disc21US 4,145,588 ATexas Instruments Incorporated · 1979