G01L 27/00
Testing or calibrating of apparatus for measuring fluid pressure
G01L27/00 (Testing or calibrating of apparatus for measuring fluid pressure) appears on 959 US grants and 910 published applications in this corpus.
Search patents in G01L- Granted patents
- 959
- Published applications
- 910
- Assignees
- 573
- Inventors
- 2,171
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 5 | 0 |
| 1991 | 14 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 4 |
| 2002 | 13 | 5 |
| 2003 | 12 | 13 |
| 2004 | 11 | 16 |
| 2005 | 17 | 21 |
| 2006 | 22 | 19 |
| 2007 | 18 | 14 |
| 2008 | 11 | 18 |
| 2009 | 14 | 17 |
| 2010 | 18 | 26 |
| 2011 | 10 | 30 |
| 2012 | 15 | 20 |
| 2013 | 21 | 39 |
| 2014 | 27 | 51 |
| 2015 | 26 | 62 |
| 2016 | 55 | 51 |
| 2017 | 52 | 54 |
| 2018 | 43 | 54 |
| 2019 | 54 | 64 |
| 2020 | 40 | 60 |
| 2021 | 55 | 53 |
| 2022 | 65 | 51 |
| 2023 | 49 | 67 |
| 2024 | 41 | 38 |
| 2025 | 47 | 40 |
| 2026 | 29 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sensor device6 Oct 2026US 12,754,092 B2Murata Manufacturing Co., Ltd.
- Cryptographic transducer calibration system for hose assembly test benches25 Aug 2026US 12,716,797 B2
- System and method for fault detection in sensors25 Aug 2026US 12,716,798 B2NXP USA, Inc.
- Method for assessing the state of a sensor as well as sensor system and method for operating the sensor system25 Aug 2026US 12,716,911 B2Robert Bosch GmbH
- Calibration of force sensitive sensor device during its life cycle11 Aug 2026US 12,704,430 B2Emfit Oy
- Calibration of force sensitive sensor device during its life cycle8 Oct 2026US 2026/0306031 A1Emfit Oy
- Sensor system and method for verifying the safety integrity of a sensor system8 Oct 2026US 2026/0309567 A1Pilz GmbH & Co.KG
- Method for sensor calibration and method for sensor operation, and pressure sensor3 Sep 2026US 2026/0259097 A1
- Torque wrench20 Aug 2026US 2026/0241519 A1Stanley Black & Decker MEA FZE
- Pressure sensor calibration valve for improving zeroing calibration of pressure sensors20 Aug 2026US 2026/0243620 A1Honeywell International Inc.
Most cited
By later US patents
- 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
- Transducer calibration system138US 4,446,715 ACamino Laboratories, Inc. · 1984
- Pressure sensor diagnostics in a process transmitter136US 5,665,899 ARosemount Inc. · 1997
- Sensor output correction circuit119US 4,303,984 AHoneywell Inc. · 1981