G05D 16/0658
Characterised by the form of the obturator
Official title: {characterised by the form of the obturator}
G05D16/0658 (Characterised by the form of the obturator) appears on 110 US grants and 67 published applications in this corpus.
Search patents in G05D- Granted patents
- 110
- Published applications
- 67
- Assignees
- 78
- Inventors
- 186
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 4 |
| 2004 | 4 | 4 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 4 | 3 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 2 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 3 |
| 2016 | 3 | 0 |
| 2017 | 1 | 4 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 1 |
| 2021 | 3 | 3 |
| 2022 | 4 | 8 |
| 2023 | 3 | 3 |
| 2024 | 2 | 1 |
| 2025 | 4 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Contained hydrogen generation system30 Oct 2025US 2025/0333851 A1Green Fuel, LLC
- Modular hydrogen generation system30 Oct 2025US 2025/0333852 A1Green Fuel, LLC
- Hydrogen generation system and regulator therefor30 Oct 2025US 2025/0333869 A1Green Fuel, LLC
- Hydrogen generation system and regulator therefor30 Oct 2025US 2025/0336995 A1Green Fuel, LLC
Most cited
By later US patents
- Combination pressure regulator/drain check valve101US 5,875,815 ANelson Irrigation Corporation · 1999
- Fuel pressure regulator48US 5,265,644 AWalbro Corporation · 1993
- Gas regulator with safety device45US 5,022,435 A1991
- Pressure regulating piston with built-in relief valve37US 6,651,636 B1ASCO Controls, LP · 2003
- Fuel system with jet pump switching regulator36US 6,343,589 B12002