G01L 23/32
Apparatus specially adapted for recording pressure changes measured by indicators
G01L23/32 (Apparatus specially adapted for recording pressure changes measured by indicators) appears on 15 US grants and 18 published applications in this corpus.
Search patents in G01L- Granted patents
- 15
- Published applications
- 18
- Assignees
- 15
- Inventors
- 56
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 5 |
| 2020 | 1 | 3 |
| 2021 | 4 | 0 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Distribution network event correlation and localization29 Sep 2026US 12,747,744 B2Itron, Inc.
- Gas turbine swirl detection20 Aug 2024US 12,066,351 B2Electric Power Research Institute, Inc.
- Method and corresponding circuit for detecting an opening or closing event15 Aug 2023US 11,725,998 B2STMicroelectronics S,r.l.
- Liquid pressure and level sensor systems and sensors, methods, and applications therefor6 Dec 2022US 11,519,772 B2Evigia Systems, Inc.
- Autonomous and irreversible pressure variation detector13 Sep 2022US 11,441,965 B2
- Detecting service regulator failures9 Apr 2026US 2026/0098551 A1Itron, Inc.
- Identifying and classifying distribution network transient pressure events9 Apr 2026US 2026/0098774 A1Itron, Inc.
- Distribution network event correlation and localization9 Apr 2026US 2026/0099508 A1Itron, Inc.
- Physiological information measurement system and physiological information measurement method29 May 2025US 2025/0172449 A1Nihon Kohden Corporation
- Internal fault detector and methods of using same15 Feb 2024US 2024/0053215 A1IFD Technologies Inc.
Most cited
By later US patents
- Recording compression testing meter8US 4,085,611 ARite Autotronics Corporation · 1978
- Liquid pressure and level sensor systems and sensors, methods, and applications therefor2US 11,519,772 B2Evigia Systems, Inc. · 2022
- Measurement probe with heat cycle event counter2US 9,984,322 B2Broadley-James Corporation · 2018
- Method and apparatus for recording the compression pressure of internal combustion engines1US 4,259,677 AVDO Adolf Schindling AG · 1981
- Measurement probe with heat cycle event counter1US 9,430,881 B2Broadley-James Corporation · 2016