G05D 11/003
Control of flow ratio: using interconnected flow control elements
Official title: {using interconnected flow control elements}
G05D11/003 (Control of flow ratio: using interconnected flow control elements) appears on 58 US grants and 30 published applications in this corpus.
Search patents in G05D- Granted patents
- 58
- Published applications
- 30
- Assignees
- 45
- Inventors
- 116
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 4 |
| 2016 | 1 | 0 |
| 2017 | 4 | 0 |
| 2018 | 2 | 3 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 2 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Supply device and process for supplying a patient-side coupling unit with a gas mixture11 Aug 2026US 12,702,783 B2Drägerwerk AG & Co. KGaA
- Split valves for regulating fluid flow in closed loop systems6 Aug 2024US 12,055,960 B2General Electric Company
- Implement for adjustably metering an agricultural field input according to different frame sections2 Apr 2024US 11,944,030 B2Raven Industries, Inc.
- Chemical injection system for a resource extraction system30 Jan 2024US 11,885,219 B2Cameron International Corporation
- Retort system21 Feb 2023US 11,582,991 B2John Bean Technologies Corporation
- Split valves for regulating fluid flow in closed loop systems28 Nov 2024US 2024/0393811 A1General Electric Company
- Split valves for regulating fluid flow in closed loop systems28 Sep 2023US 2023/0305584 A1General Electric Company
- Supply device and process for supplying a patient-side coupling unit with a gas mixture15 Jun 2023US 2023/0181863 A1Drägerwerk AG & Co. KGaA
- Methods for determining fluidic flow configurations in a pool system28 Apr 2022US 2022/0125677 A1Poolside Tech, LLC
- System and method for dynamic selection of fluids6 Jan 2022US 2022/0002139 A1
Most cited
By later US patents
- Gas mixing apparatus for respirator162US 5,544,674 AInfrasonics, Inc. · 1996
- Gas mixing apparatus for respirator158US 5,671,767 AInfrasonics, Inc. · 1997
- Implement for adjustably metering an agricultural field input according to different frame sections51US 9,113,591 B2Raven Industries, Inc. · 2015
- Fluid flow control device44US 4,431,019 ABaxter Travenol Laboratories, Inc. · 1984
- Faucet system44US 4,682,628 A1987