G05D 16/0672
Using several spring-loaded membranes
Official title: {using several spring-loaded membranes}
G05D16/0672 (Using several spring-loaded membranes) appears on 66 US grants and 38 published applications in this corpus.
Search patents in G05D- Granted patents
- 66
- Published applications
- 38
- Assignees
- 50
- Inventors
- 123
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 5 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 3 | 2 |
| 2008 | 2 | 1 |
| 2009 | 2 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 1 | 4 |
| 2013 | 4 | 2 |
| 2014 | 2 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid regulator with improved pressure control28 Jul 2026US 12,693,693 B2Landis+Gyr Technology, Inc.
- Selective attachment device with multiple fluid sources for maintaining positive fluid pressure7 Jan 2025US 12,186,488 B2Legacy Innovation Inc.
- Fluid control valve5 Dec 2023US 11,835,153 B2SMC Corporation
- Pressure regulator for gas distribution system and pilot device for piloting pressure regulators10 Jan 2023US 11,549,607 B2PIETRO FIORENTINI S.p.A.
- Fuel cell arrangement having differential pressure control for an H2/O2 fuel cell29 Mar 2022US 11,289,719 B2Vitesco Technologies GmbH
- Fluid regulator with improved pressure control28 Nov 2024US 2024/0393812 A1Landis+Gyr Technology, Inc.
- Selective attachment device with multiple fluid sources for maintaining positive fluid pressure20 Apr 2023US 2023/0123127 A1Legacy US Inc.
- Fluid control valve6 Oct 2022US 2022/0316619 A1SMC Corporation
- Pressure Regulator for Gas Distribution System and Pilot Device for Piloting Pressure Regulators24 Feb 2022US 2022/0057014 A1PIETRO FIORENTINI S.p.A.
- Fuel Cell Arrangement for an H2/O2 Fuel Cell19 Nov 2020US 2020/0365919 A1Vitesco Technologies GmbH
Most cited
By later US patents
- Fluid regulator69US 4,722,360 AShoketsu Kinzoku Kogyo Kabushiki Kaisha · 1988
- Control valve with pressure equalization56US 5,188,337 A1993
- Pressure regulators54US 4,541,454 A1985
- Constant flow valve assembly52US 7,363,938 B1Global Agricultural Technology and Engineering, LLC · 2008
- Fuel regulator for natural gas fired co-generation unit48US 6,748,932 B1Chapeau, Inc. · 2004