G05D 16/028
Controlling a pressure difference
Official title: {Controlling a pressure difference (control of flow G05D7/00)}
G05D16/028 (Controlling a pressure difference) appears on 113 US grants and 127 published applications in this corpus.
Search patents in G05D- Granted patents
- 113
- Published applications
- 127
- Assignees
- 108
- Inventors
- 272
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 4 |
| 2004 | 1 | 1 |
| 2005 | 1 | 4 |
| 2006 | 3 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 6 |
| 2015 | 2 | 5 |
| 2016 | 4 | 5 |
| 2017 | 1 | 3 |
| 2018 | 4 | 7 |
| 2019 | 5 | 9 |
| 2020 | 5 | 11 |
| 2021 | 8 | 3 |
| 2022 | 7 | 8 |
| 2023 | 9 | 13 |
| 2024 | 10 | 12 |
| 2025 | 21 | 21 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Operation facility for unmanned aerial vehicle1 Sep 2026US 12,724,436 B2Daifuku Co., Ltd.
- Control valve18 Aug 2026US 12,710,774 B2FlowCon International ApS
- Control device for regulating the pressure of a fluid19 May 2026US 12,632,072 B2Aptco Technologies GmbH
- Fluid circuit and blood pressure measurement device5 May 2026US 12,616,385 B2Omron Healthcare Co., Ltd.
- Differential pressure regulator28 Apr 2026US 12,612,978 B2Warner Engineering, Inc.
- System and apparatus for influencing tank vacuum, venting and emissions20 Aug 2026US 2026/0244226 A1Chevron U.S.A.Inc.
- Co2 bleed-off process with equipment preservation during temporary co2 injection process6 Aug 2026US 2026/0227808 A1Schlumberger Technology Corporation
- Drill bit steering system11 Jun 2026US 2026/0160133 A1Baker Hughes Oilfield Operations LLC
- Force balanced dual valve systems for steering tool and methods of using the same11 Jun 2026US 2026/0161189 A1Baker Hughes Oilfield Operations LLC
- Pressure regulating valve28 May 2026US 2026/0147363 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Sheathed particle flow controlled by differential pressure157US 5,040,890 ABecton, Dickinson and Company · 1991
- System and process for removal of pollutants from a gas stream101US 6,610,263 B2EnviroScrub Technologies Corporation · 2003
- System and process for removal of pollutants from a gas stream48US 6,579,507 B2EnviroScrub Technologies Corporation · 2003
- Post pressure compensated unitary hydraulic valve34US 4,693,272 AHUSCO International, Inc. · 1987
- Differential pressure valve with parallel biasing springs and method for reducing spring surge27US 9,297,373 B2Nuovo Pignone S.p.A. · 2016