G05D 7/0193
Using hydraulic or pneumatic amplifiers, relays or transmitters
Official title: {using hydraulic or pneumatic amplifiers, relays or transmitters}
G05D7/0193 (Using hydraulic or pneumatic amplifiers, relays or transmitters) appears on 21 US grants and 7 published applications in this corpus.
Search patents in G05D- Granted patents
- 21
- Published applications
- 7
- Assignees
- 17
- Inventors
- 36
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 3 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Autonomous flow control device with pilot amplified operations, method, and system6 Feb 2024US 11,892,861 B2Baker Hughes Oilfield Operations LLC
- Pneumatic valve with rupturable membrane30 Jan 2024US 11,886,212 B2Goodrich Corporation
- Complementary fluidic valves and systems25 Oct 2022US 11,480,262 B1Meta Platforms Technologies, LLC
- Distributed fuel modules with hydraulic flow circuit breakers and gaseous flow circuit breakers29 Mar 2022US 11,286,886 B2Hamilton Sundstrand Corporation
- Complementary fluidic valves and systems6 Jul 2021US 11,054,056 B1Facebook Technologies, LLC
- Autonomous flow control device with pilot amplified operations, method, and system20 Apr 2023US 2023/0121280 A1Baker Hughes Oilfield Operations LLC
- Pneumatic valve with rupturable membrane17 Jun 2021US 2021/0181770 A1Goodrich Corporation
- Distributed fuel modules with hydraulic flow circuit breakers and gaseous flow circuit breakers15 Oct 2020US 2020/0326730 A1Hamilton Sundstrand Corporation
- Fluid Dispenser and Evacuator27 Jun 2019US 2019/0196515 A1Lincoln Industrial Corporation
- Downforce feedback systems and control logic for active aerodynamic devices of motor vehicles28 Mar 2019US 2019/0092403 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Automatic controlling valve for maintaining the rate of fluid flow at a constant value96US 4,250,915 A1981
- Automatic controlling valve for maintaining the rate of fluid flow at a constant value25US 4,210,171 A1980
- Device for controlling the flowrate of a fluidmore particularly a radioactive fluid25US 4,589,440 AElectricite de France (Service National) · 1986
- Automatic valving system21US 4,024,887 AVought Corporation · 1977
- Liquid level control system and carbonator21US 4,028,441 AFluid Device Corporation · 1977