G01L 23/24
Devices or apparatus for measuring or indicating or recording rapid changes, such
Official title: {specially adapted} for measuring pressure in inlet or exhaust ducts of internal-combustion engines
G01L23/24 (Devices or apparatus for measuring or indicating or recording rapid changes, such) appears on 96 US grants and 76 published applications in this corpus.
Search patents in G01L- Granted patents
- 96
- Published applications
- 76
- Assignees
- 70
- Inventors
- 260
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 4 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 3 | 2 |
| 2008 | 2 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 7 |
| 2011 | 2 | 1 |
| 2012 | 3 | 3 |
| 2013 | 3 | 1 |
| 2014 | 2 | 4 |
| 2015 | 3 | 3 |
| 2016 | 0 | 7 |
| 2017 | 6 | 8 |
| 2018 | 2 | 2 |
| 2019 | 6 | 5 |
| 2020 | 5 | 3 |
| 2021 | 5 | 6 |
| 2022 | 3 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic device for a measuring rake facilitating data loading25 Aug 2026US 12,716,814 B2Airbus Operations GmbH
- Pressure measuring rake comprising a patched leading edge, in particular for an engine of an aircraft, and more particularly for a bypass turbojet engine6 May 2025US 12,292,349 B2Airbus Operations GmbH
- Method and system for diagnosing fuel tank pressure sensor4 Jun 2024US 12,000,744 B2Ford Global Technologies, LLC
- Pressure sensor system for charge air load control3 Oct 2023US 11,774,310 B2Volvo Car Corporation
- Fuel injector interface device and method of use29 Aug 2023US 11,739,719 B2
- Semiconductor package28 Aug 2025US 2025/0271319 A1Fuji Electric Co., Ltd.
- Sensor unit and intake system of internal combustion engine1 May 2025US 2025/0137862 A1Mikuni Corporation
- Sensor unit1 May 2025US 2025/0137882 A1Mikuni Corporation
- Pressure measuring rake comprising a patched leading edge, in particular for an engine of an aircraft, and more particularly for a bypass turbojet engine22 Aug 2024US 2024/0280428 A1Airbus Operations GmbH
- Electronic device for a measuring rake facilitating data loading22 Aug 2024US 2024/0280438 A1Airbus Operations GmbH
Most cited
By later US patents
- Process for the regulation of the optimum operational behavior of an internal combustion engine47US 4,112,879 ARobert Bosch GmbH · 1978
- Silicone oil-filled semiconductor pressure sensor44US 5,625,151 AMitsubishi Denki Kabushiki Kaisha · 1997
- Air filter diagnostic41US 5,606,311 AGeneral Motors Corporation · 1997
- Apparatus for measuring the cylinder internal pressure of internal combustion engines39US 8,096,170 B2AVL List GmbH · 2012
- Measuring barometric pressure with a manifold pressure sensor in a microprocessor based engine control system29US 4,600,993 AAllied Corporation · 1986