G01L 9/12
Measuring steady of quasi-steady pressure of fluid or fluent solid material by
Official title: by making use of variations in capacitance {, i.e. electric circuits therefor}
G01L9/12 (Measuring steady of quasi-steady pressure of fluid or fluent solid material by) appears on 540 US grants and 405 published applications in this corpus.
Search patents in G01L- Granted patents
- 540
- Published applications
- 405
- Assignees
- 279
- Inventors
- 1,081
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 12 | 0 |
| 1984 | 12 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 17 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 1 | 5 |
| 2002 | 9 | 5 |
| 2003 | 11 | 4 |
| 2004 | 7 | 1 |
| 2005 | 4 | 8 |
| 2006 | 16 | 21 |
| 2007 | 8 | 11 |
| 2008 | 13 | 10 |
| 2009 | 8 | 11 |
| 2010 | 10 | 6 |
| 2011 | 7 | 8 |
| 2012 | 8 | 14 |
| 2013 | 5 | 19 |
| 2014 | 18 | 26 |
| 2015 | 15 | 14 |
| 2016 | 14 | 25 |
| 2017 | 22 | 25 |
| 2018 | 23 | 23 |
| 2019 | 26 | 29 |
| 2020 | 22 | 30 |
| 2021 | 22 | 18 |
| 2022 | 28 | 25 |
| 2023 | 19 | 23 |
| 2024 | 23 | 14 |
| 2025 | 14 | 21 |
| 2026 | 13 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Baffle inspection apparatus6 Oct 2026US 12,754,090 B2Samsung Electronics Co., Ltd.
- Sensor device6 Oct 2026US 12,754,092 B2Murata Manufacturing Co., Ltd.
- Measuring arrangement and method for operating a measuring arrangement25 Aug 2026US 12,716,795 B2VEGA Grieshaber KG
- Microelectromechanical pressure sensor16 Jun 2026US 12,656,201 B2Robert Bosch GmbH
- Capacitive MEMS sensing diagnostic mode12 May 2026US 12,625,023 B2Infineon Technologies AG
- Pressure sensors10 Sep 2026US 2026/0262958 A1
- Compensating for drift in pressure sensors13 Aug 2026US 2026/0235313 A1Airthings ASA
- Pressure sensor, fabrication and use thereof6 Aug 2026US 2026/0227259 A1National University of Singapore
- Method for compensating for a temperature shock on a capacitive pressure-measuring cell6 Aug 2026US 2026/0227260 A1Ifm Electronic GmbH
- Device for measuring pressure, force or temperature11 Jun 2026US 2026/0160628 A1Systec Automotive GmbH
Most cited
By later US patents
- Vacuum monitoring235US 4,008,619 AMKS Instruments, Inc. · 1977
- Transistor rectifier183US 4,602,322 AHewlett-Packard Company · 1986
- Implantable calibration means and calibration method for an implantable body transducer150US 4,237,900 APacesetter Systems, Inc. · 1980
- Transmitter with internal serial bus139US 4,818,994 ARosemount Inc. · 1989
- Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates131US 5,637,802 ARosemount Inc. · 1997