H01H 35/36
Actuated by curled flexible tube
Official title: actuated by curled flexible tube, e.g. Bourdon tube
H01H35/36 (Actuated by curled flexible tube) appears on 11 US grants and 7 published applications in this corpus.
Search patents in H01H- Granted patents
- 11
- Published applications
- 7
- Assignees
- 5
- Inventors
- 21
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 3 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-diagnostic gas density relay and use method thereof25 Mar 2025US 12,259,300 B2Shanghai Roye Electric Co., Ltd.
- Transformation method for gas density relay, and gas density relay having online self-check function and check method thereof5 Nov 2024US 12,136,530 B2Shanghai Roye Electric Co., Ltd.
- Gas density relay having simulation check function and simulation check method thereof1 Oct 2024US 12,105,148 B2Shanghai Roye Electric Co., Ltd.
- Electrical system with on-line sampling verification function and verification method thereof23 Jul 2024US 12,046,433 B2Shanghai Roye Electric Co., Ltd.
- Pressure-type contact switch for use in operation of pressure pump23 Aug 2016US 9,425,007 B2
- Simulation verification method and apparatus for gas density relay27 Aug 2026US 2026/0251713 A1Shanghai Roye Electric Co., Ltd.
- Gas density relay having simulation check function and simulation check method thereof13 Jul 2023US 2023/0221370 A1Shanghai Roye Electric Co., Ltd.
- Self-diagnostic gas density relay and use method thereof1 Jun 2023US 2023/0168145 A1Shanghai Roye Electric Co., Ltd.
- Transformation method for gas density relay, and gas density relay having online self-check function and check method thereof20 Oct 2022US 2022/0336170 A1Shanghai Roye Electric Co., Ltd.
- Electrical system with on-line sampling verification function and verification method thereof20 Oct 2022US 2022/0336171 A1Shanghai Roye Electric Co., Ltd.
Most cited
By later US patents
- Pressure control for pumps19US 4,212,591 ABinks Manufacturing Company · 1980
- Pressure control for pumps8US 4,335,999 ABinks Manufacturing Company · 1982
- Gauge with indicator switch7US 5,286,931 AGraco Inc. · 1994
- Pressure gauge capable of automatically stopping supply of pressure from a pressure source6US 5,640,992 A1997
- Pressure pilot switch point device4US 4,485,727 AFisher Controls International LLC · 1984