G05D 7/03
Control of flow: with auxiliary non-electric power
Official title: with auxiliary non-electric power {(G05D7/005 takes precedence)}
G05D7/03 (Control of flow: with auxiliary non-electric power) appears on 99 US grants and 50 published applications in this corpus.
Search patents in G05D- Granted patents
- 99
- Published applications
- 50
- Assignees
- 74
- Inventors
- 182
- Latest grant
- 6 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 7 |
| 2014 | 0 | 7 |
| 2015 | 3 | 5 |
| 2016 | 10 | 3 |
| 2017 | 6 | 1 |
| 2018 | 2 | 4 |
| 2019 | 2 | 6 |
| 2020 | 7 | 1 |
| 2021 | 4 | 2 |
| 2022 | 4 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 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
- Guide element for hydraulic fluid13 Jun 2023US 11,674,536 B2Caterpillar Inc.
- Combination valve for pressure building and final-line gas regulation16 May 2023US 11,650,605 B1Engineered Controls International, LLC
- Fluidic devices and related methods and wearable devices6 Dec 2022US 11,519,511 B1Meta Platforms Technologies, LLC
- Device for controlling fluid flow4 Oct 2022US 11,460,870 B2Ofip Limited
- Autonomous flow control device with pilot amplified operations, method, and system20 Apr 2023US 2023/0121280 A1Baker Hughes Oilfield Operations LLC
- Irrigation device emitters with rubber o-ring flow regulators14 Jul 2022US 2022/0217927 A1
- Guide element for hydraulic fluid16 Jun 2022US 2022/0186757 A1Caterpillar Inc.
- Assembly having a high-pressure pump and a control device arranged upstream of the high-pressure pump4 Feb 2021US 2021/0033055 A1Woodward L'Orange GmbH
- Device for controlling fluid flow14 Jan 2021US 2021/0011499 A1Oxford Flow Limited
Most cited
By later US patents
- Fluid metering and mixing device having inlet and outlet valves184US 4,161,264 A1979
- Automatic control valve49US 5,348,036 ASinger Valve Inc. · 1994
- Air distribution regulator apparatus36US 3,961,748 AThe Trane Company · 1976
- Constant flow rate fluid supply device, particularly for a spray gun35US 4,278,205 AS K M, Societe Anonyme · 1981
- Fluid flow controller30US 4,147,298 ALeemhuis, Louis J. · 1979