G01L 9/003
Using variations in capacitance
Official title: {using variations in capacitance}
G01L9/003 (Using variations in capacitance) appears on 28 US grants and 21 published applications in this corpus.
Search patents in G01L- Granted patents
- 28
- Published applications
- 21
- Assignees
- 21
- Inventors
- 47
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 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 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 3 | 2 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diaphragm pressure gauge and compound pressure gauge14 Oct 2025US 12,442,706 B2Q'z Corporation
- Pressure sensor embedded in a metering device22 Apr 2025US 12,281,925 B2Itron Global SARL
- Single-use plastic pressure sensor22 Nov 2022US 11,506,556 B2Rosenmount Inc.
- Non-intrusive process fluid pressure measurement system28 Dec 2021US 11,209,296 B2Rosemount Inc.
- Pressure detection chip and method for detection pressure24 Aug 2021US 11,099,092 B2Shenzhen Goodix Technology Co., Ltd.
- Diaphragm pressure gauge and compound pressure gauge15 Jan 2026US 2026/0016357 A1Q'z Corporation
- Pressure sensor embedded in a metering device30 Nov 2023US 2023/0384136 A1Itron Global SARL
- Diaphragm pressure gauge and compound pressure gauge28 Sep 2023US 2023/0304883 A1Vacuum Products Corporation
- Single-use plastic pressure sensor31 Mar 2022US 2022/0099514 A1Rosenmount Inc.
- Non-intrusive process fluid pressure measurement system2 Apr 2020US 2020/0103260 A1Rosemount Inc.
Most cited
By later US patents
- Capacitor and pressure transducer39US 5,230,250 A1993
- Capacitor and pressure transducer38US 5,168,419 APanex Corporation · 1992
- Capacitance pressure transducer and method of fabrication therefor15US 4,538,466 A1985
- Micro displacement force transducer14US 4,873,870 APanex Corporation · 1989
- Capacitor and pressure transducer9US 5,207,767 APanex Corporation · 1993