G01F 23/164
Using a diaphragm, bellow as transmitting element
Official title: {using a diaphragm, bellow as transmitting element}
G01F23/164 (Using a diaphragm, bellow as transmitting element) appears on 96 US grants and 56 published applications in this corpus.
Search patents in G01F- Granted patents
- 96
- Published applications
- 56
- Assignees
- 75
- Inventors
- 191
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 5 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 4 |
| 2018 | 3 | 2 |
| 2019 | 1 | 6 |
| 2020 | 4 | 4 |
| 2021 | 2 | 3 |
| 2022 | 5 | 1 |
| 2023 | 2 | 6 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Contamination detection for optical pressure sensors2 Jul 2024US 12,025,482 B2Simmonds Precision Products, Inc.
- Pressure sensor and electrical appliance17 Sep 2026US 2026/0276466 A1Illinois Tool Works Inc.
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- Tank system29 Aug 2024US 2024/0288298 A1Deere & Company
- Microwave resonant cavity transducer for high temperature fluid flow sensing5 Oct 2023US 2023/0314192 A1Uchicago Argonne, LLC
- Level sensor14 Sep 2023US 2023/0288243 A1Goodrich Corporation
Most cited
By later US patents
- Multiple-function fluid measuring and transmitting apparatus137US 5,469,749 AHitachi, Ltd. · 1995
- Ink remain detector having a flexible member and a liquid injection recording apparatus utilizing the detector90US 4,977,413 ACanon Kabushiki Kaisha · 1990
- Fiber-optic liquid level sensor53US 5,072,617 AThe United States of America as represented by the United States Department of Energy · 1991
- Sponge absorbed fluid measuring unit53US 5,285,682 A1994
- Continuous liquid level measurement system43US 6,298,721 B1Cummins Engine Company, Inc. · 2001