G01L 23/02
Mechanically indicating or recording and involving loaded or return springs
Official title: mechanically indicating or recording and involving loaded or return springs
G01L23/02 (Mechanically indicating or recording and involving loaded or return springs) appears on 14 US grants and 14 published applications in this corpus.
Search patents in G01L- Granted patents
- 14
- Published applications
- 14
- Assignees
- 12
- Inventors
- 40
- Latest grant
- 17 Oct 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 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 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- On-line valve health monitor18 Jan 2024US 2024/0019333 A1Woodward, Inc.
- Pulse Counter20 Apr 2023US 2023/0118573 A1Cejn AB
- Autonomous and irreversible pressure variation detector24 Dec 2020US 2020/0400524 A1
- Integrated fault monitoring apparatus for electrical equipment18 Jun 2020US 2020/0191880 A1Ifd Internal Fault Detector Corp.
Most cited
By later US patents
- Magnetically coded pressure detection apparatus37US 8,505,365 B2Eaton Corporation · 2013
- Compression tester8US 3,979,960 ARite Autotronics Corporation · 1976
- Internal fault indicator for electrical equipment5US 9,188,500 B2Ifd Internal Fault Detector Corp. · 2015
- Integrated fault monitoring apparatus for electrical equipment3US 10,605,849 B2Ifd Internal Fault Detector Corp. · 2020
- Compression stroke indicator3US 5,756,888 A1998