G01P 3/26
Devices characterised by the use of fluids
G01P3/26 (Devices characterised by the use of fluids) appears on 46 US grants and 29 published applications in this corpus.
Search patents in G01P- Granted patents
- 46
- Published applications
- 29
- Assignees
- 42
- Inventors
- 90
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 6 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 3 |
| 2019 | 0 | 1 |
| 2020 | 3 | 3 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for tracking a position of a rotating platform of a lidar system15 Apr 2025US 12,276,757 B2LG Innotek Co., Ltd.
- Indoor intrusion detection10 Oct 2023US 11,782,068 B2International Business Machines Corporation
- Fluidic component, ultrasonic measurement device having a fluidic component of this type, and applications of the ultrasonic measurement device6 Jun 2023US 11,668,682 B2FDX Fluid Dynamix GmbH
- System and method for engine speed measurement28 Mar 2023US 11,614,456 B2Pratt & Whitney Canada Corp.
- Management and control method of a pressurization system21 Jun 2022US 11,365,739 B2Calpeda Spa
- Rotating speed determination method and apparatus, and computer-readable storage medium1 Jan 2026US 2026/0002955 A1Contemporary Amperex Technology Co., Limited
- Systems and methods for tracking a position of a rotating platform of a lidar system10 Jul 2025US 2025/0224494 A1LG Innotek Co., Ltd.
- Indoor intrusion detection15 Dec 2022US 2022/0397586 A1International Business Machines Corporation
- Systems and methods for tracking a position of a rotating platform of a lidar system25 Aug 2022US 2022/0268895 A1Argo AI, LLC
- Fluidic Component, Ultrasonic Measurement Device Having a Fluidic Component of This Type, and Applications of the Ultrasonic Measurement Device11 Mar 2021US 2021/0072193 A1FDX Fluid Dynamix GmbH
Most cited
By later US patents
- Fluid dynamic angular rate sensor14US 4,254,659 AKBG Corporation · 1981
- Apparatus and method for sensing angular displacement14US 6,058,760 AKVH Industries, Inc. · 2000
- Method and device for detecting the speed of a pump14US 7,083,391 B2Robert Bosch GmbH · 2006
- Unitary fluidic angular rate sensor12US 4,020,700 AUnited Technologies Corporation · 1977
- Electric measuring arrangement for determining the level of an electrically conductive liquid12US 5,182,947 AHL Planartechnik GmbH · 1993