F16K 31/048
With torque limiters
Official title: {with torque limiters (F16K31/041 takes precedence)}
F16K31/048 (With torque limiters) appears on 56 US grants and 47 published applications in this corpus.
Search patents in F16K- Granted patents
- 56
- Published applications
- 47
- Assignees
- 51
- Inventors
- 128
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 3 |
| 2012 | 0 | 3 |
| 2013 | 2 | 4 |
| 2014 | 1 | 1 |
| 2015 | 2 | 3 |
| 2016 | 3 | 2 |
| 2017 | 5 | 7 |
| 2018 | 5 | 3 |
| 2019 | 4 | 4 |
| 2020 | 1 | 3 |
| 2021 | 6 | 3 |
| 2022 | 1 | 3 |
| 2023 | 0 | 1 |
| 2024 | 5 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Electric motor powered actuator35US 4,393,319 AGeneral Motors Corporation · 1983
- Electric fail safe valve actuator30US 6,488,260 B1Halliburton Energy Services.Inc. · 2002
- Piston-type valve with slip clutch actuated limit switch16US 4,463,930 A1984
- Torque overload indicator11US 4,454,504 AWestran Corporation · 1984
- Valve for shutting off a flow11US 4,770,390 AKraftwerk Union Aktiengesellschaft · 1988