H01H 35/2671
Means to detect leaks in the pressure sensitive element
Official title: {Means to detect leaks in the pressure sensitive element}
H01H35/2671 (Means to detect leaks in the pressure sensitive element) appears on 15 US grants and 6 published applications in this corpus.
Search patents in H01H- Granted patents
- 15
- Published applications
- 6
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 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 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- High anti-vibration gas density monitor30 Jan 2024US 11,885,827 B2Shanghai Roye Electric Co., Ltd.
- Method for changing a working fluid in an expansion system, and expansion system19 Sep 2023US 11,761,822 B2E. G. O. Elektro-Geraetebau GmbH
- Flow or level sensor/switch system21 Jan 2020US 10,539,441 B2
- Multi-condition sensor systems13 Nov 2018US 10,126,196 B2Kidde Technologies, Inc.
- Pneumatic detector integrated alarm and fault switch6 Oct 2015US 9,153,400 B2Kidde Technologies, Inc.
- High Anti-Vibration Gas Density Monitor6 Oct 2022US 2022/0317008 A1Shanghai Roye Electric Co., Ltd.
- Method for changing a working fluid in an expansion system, and expansion system20 Jun 2019US 2019/0187001 A1E. G. O. Elektro-Geraetebau GmbH
- Flow or Level Sensor/Switch System6 Dec 2018US 2018/0348028 A1
- Multi-condition sensor systems1 Feb 2018US 2018/0031437 A1Kidde Technologies, Inc.
- Water Pump Pressure Switch Providing Automatic Power Shut-Off To A Well Pump21 Apr 2016US 2016/0108607 A1
Most cited
By later US patents
- Fluid control valve and system with leak detection and containment119US 4,901,751 ASystems Chemistry, Inc. · 1990
- Tire pressure sensor for motor vehicles17US 4,783,993 ARobert Bosch GmbH · 1988
- Compact and lightweight pneumatic pressure detector for fire detection with integrity switch16US 5,136,278 ASystron Donner Corporation · 1992
- Differential pressure monitoring device14US 5,296,659 AVIZ Manufacturing Company · 1994
- Apparatus for sealing a vessel under pressure8US 5,566,853 AVIZ Manufacturing Company · 1996