H01H 35/2614
By varying the bias on the pressure sensitive element
Official title: {by varying the bias on the pressure sensitive element}
H01H35/2614 (By varying the bias on the pressure sensitive element) appears on 108 US grants and 27 published applications in this corpus.
Search patents in H01H- Granted patents
- 108
- Published applications
- 27
- Assignees
- 59
- Inventors
- 145
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 3 | 3 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 4 |
| 2019 | 0 | 1 |
| 2020 | 4 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-mode air compressor pressure power switch11 Aug 2026US 12,706,262 B2Transform Sr Brands LLC
- Pressure-actuated switch for compressors30 Sep 2025US 12,431,307 B2WIKA Alexander Wiegand SE & Co. KG
- Multi-mode air compressor pressure power switch4 Feb 2025US 12,217,923 B2Transform Sr Brands LLC
- Multi-mode air compressor pressure power switch12 Dec 2023US 11,842,867 B2Transform Sr Brands LLC
- Fluid management apparatus and method22 Feb 2022US 11,253,640 B2KCI Licensing, Inc.
- Multi-mode air compressor pressure power switch13 Feb 2025US 2025/0054715 A1Transform Sr Brands LLC
- Multi-mode air compressor pressure power switch22 Feb 2024US 2024/0062974 A1Transform Sr Brands LLC
- Pressure-actuated switch for compressors18 Jan 2024US 2024/0021385 A1WIKA Alexander Wiegand SE & Co. KG
- Pressure-Operated Switch17 Mar 2022US 2022/0080103 A1KCI Licensing, Inc.
- Pressure switch23 Jul 2020US 2020/0234896 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- High pressure resistant, low pressure actuating sensors39US 6,255,609 B1Predator Systems Inc. · 2001
- Pressure switch32US 5,530,215 AFurnas Electric Company · 1996
- Differential pressure switch assembly with high static pressure use characteristics23US 4,827,095 ADwyer Instruments, Inc. · 1989
- Liquid pump pressure control system21US 5,292,232 AGraco Inc. · 1994
- Fluid-operated compound switch19US 4,900,883 AWhitman Controls Corporation · 1990