H01H 35/28
Compensation for variation of ambient pressure or temperature
H01H35/28 (Compensation for variation of ambient pressure or temperature) appears on 39 US grants and 16 published applications in this corpus.
Search patents in H01H- Granted patents
- 39
- Published applications
- 16
- Assignees
- 30
- Inventors
- 77
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 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 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 5 |
| 2023 | 0 | 2 |
| 2024 | 4 | 0 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermoelectric tripping device and coupling arrangement thereof29 Jul 2025US 12,370,395 B2Tyco Fire & Security GmbH
- Gas density relay with online self-checking function and checking method therefor15 Apr 2025US 12,276,699 B2Shanghai Roye Electric Co., Ltd.
- Maintenance-free gas density relay and cross-checking method therefor18 Mar 2025US 12,255,032 B2Shanghai Roye Electric Co., Ltd.
- Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor26 Nov 2024US 12,154,738 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.
- 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
- Gas density relay having simulation check function and simulation check method thereof13 Jul 2023US 2023/0221370 A1Shanghai Roye Electric Co., Ltd.
- Gas density relay with online self-checking function and checking method therefor1 Jun 2023US 2023/0168302 A1Shanghai Roye Electric Co., Ltd.
- Method for modifying gas density relay, and gas density relay having online self-checking function and checking method therefor8 Dec 2022US 2022/0390518 A1Shanghai Roye Electric Co., Ltd.
Most cited
By later US patents
- Magnetic pressure indicator for a container51US 3,946,175 AHTL Industries, Inc. · 1976
- Pressure switch with diaphragm39US 4,049,935 AAllied Chemical Corporation · 1977
- Pressure sensor system37US 4,975,679 A1990
- Temperature compensatible pressure monitor and sensor construction33US 4,980,675 ASpectrum Associates LLC · 1990
- Temperature compensated fill valve/pressure switch20US 4,254,312 AEaton Corporation · 1981