G01L 3/20
Fluid actuated
Official title: fluid actuated
G01L3/20 (Fluid actuated) appears on 50 US grants and 22 published applications in this corpus.
Search patents in G01L- Granted patents
- 50
- Published applications
- 22
- Assignees
- 25
- Inventors
- 67
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 2 |
| 2023 | 3 | 2 |
| 2024 | 2 | 3 |
| 2025 | 2 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tangential force sensor for a brake caliper16 Jun 2026US 12,654,658 B2Divergent Technologies, Inc.
- Method to check the correct functioning of a tightening tool10 Mar 2026US 12,571,696 B2Atlas Copco Industrial Technique AB
- Dynamometer system for testing performance of drilling tools1 Jul 2025US 12,345,588 B2Dash Drilling Products, LLC
- Methods of manufacturing turbomachines having decoupled collectors4 Feb 2025US 12,215,698 B2Concepts NREC, LLC
- Apparatus and methods for impact tool testing17 Sep 2024US 12,092,541 B2Tungsten Capital Partners, LLC
- Tangential force sensor for a brake caliper26 Sep 2024US 2024/0317195 A1Divergent Technologies, Inc.
- Methods of Manufacturing Turbomachines Having Decoupled Collectors25 Apr 2024US 2024/0133385 A1Concepts NREC, LLC
- Method to check the correct functioning of a tightening tool1 Feb 2024US 2024/0035909 A1Atlas Copco Industrial Technique AB
- Prony brake dynamometer with dual quad power stator, hydraulic pressure equalizer plate, electronic load control system, & 270-degree water distribution manifold2 Nov 2023US 2023/0349781 A1
- Dynamometer system for testing performance of drilling tools20 Apr 2023US 2023/0120228 A1Dash Drilling Products, LLC
Most cited
By later US patents
- Mechanical liquid vaporizing waterbrake73US 5,279,262 A1994
- Motorcycle dynamometer25US 3,940,978 A1976
- Apparatus for dynamometer testing of motor vehicles21US 4,669,318 A1987
- Drive-dynamometer system17US 3,942,363 AThe Cross Company · 1976
- Rotor-stator configuration for water brake dynamometer17US 4,213,332 AM & W Gear Company · 1980