G05D 16/107
With a spring-loaded piston in combination with a spring-loaded slideable obturator that
Official title: {with a spring-loaded piston in combination with a spring-loaded slideable obturator that move together over range of motion during normal operation}
G05D16/107 (With a spring-loaded piston in combination with a spring-loaded slideable obturator that) appears on 136 US grants and 135 published applications in this corpus.
Search patents in G05D- Granted patents
- 136
- Published applications
- 135
- Assignees
- 97
- Inventors
- 287
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 0 | 3 |
| 2006 | 4 | 5 |
| 2007 | 3 | 3 |
| 2008 | 0 | 6 |
| 2009 | 4 | 7 |
| 2010 | 3 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 1 |
| 2013 | 6 | 2 |
| 2014 | 1 | 6 |
| 2015 | 3 | 8 |
| 2016 | 6 | 12 |
| 2017 | 7 | 8 |
| 2018 | 9 | 6 |
| 2019 | 6 | 11 |
| 2020 | 4 | 8 |
| 2021 | 14 | 12 |
| 2022 | 8 | 6 |
| 2023 | 7 | 4 |
| 2024 | 8 | 6 |
| 2025 | 1 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Pneumatic valve and regulator58US 5,957,119 ASmart Parts, Inc. · 1999
- Pneumatic valve and regulator50US 5,755,213 APneuventures, Inc. · 1998
- Pressure regulator and safety valve assembly40US 4,370,997 ABlack & Decker Inc. · 1983
- Fluid control valve36US 7,225,830 B12007
- Pressure regulator utilizing pliable piston seal32US 6,505,838 B1Tactair Fluid Controls, Inc. · 2003