F16K 17/20
Excess-flow valves
Official title: Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36)
F16K17/20 (Excess-flow valves) appears on 788 US grants and 641 published applications in this corpus.
Search patents in F16K- Granted patents
- 788
- Published applications
- 641
- Assignees
- 489
- Inventors
- 1,358
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 9 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 8 | 0 |
| 1981 | 14 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 16 | 0 |
| 1988 | 14 | 0 |
| 1989 | 17 | 0 |
| 1990 | 16 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 1 |
| 2002 | 10 | 7 |
| 2003 | 9 | 7 |
| 2004 | 7 | 18 |
| 2005 | 11 | 16 |
| 2006 | 14 | 21 |
| 2007 | 15 | 17 |
| 2008 | 14 | 19 |
| 2009 | 13 | 11 |
| 2010 | 13 | 22 |
| 2011 | 7 | 15 |
| 2012 | 10 | 26 |
| 2013 | 17 | 26 |
| 2014 | 14 | 29 |
| 2015 | 34 | 37 |
| 2016 | 37 | 30 |
| 2017 | 22 | 38 |
| 2018 | 17 | 42 |
| 2019 | 47 | 49 |
| 2020 | 45 | 35 |
| 2021 | 37 | 29 |
| 2022 | 32 | 32 |
| 2023 | 29 | 37 |
| 2024 | 38 | 33 |
| 2025 | 30 | 27 |
| 2026 | 15 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Passive modulating design for fast responding control valves for high pressure gas applications28 Jul 2026US 12,693,690 B2Kalsi Engineering, Inc.
- Safety valve, pneumatic actuator, and vehicle23 Jun 2026US 12,663,025 B2Zf Cv Systems Europe BV
- Combination regulator valve26 May 2026US 12,638,093 B2Engineered Controls International, LLC
- Pulsation dampener for single use applications19 May 2026US 12,631,167 B2Equilibar, LLC
- Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud31 Mar 2026US 12,590,641 B2Watts Regulator Co.
- Valves and control systems for clean fluid pressure equalization and de-energization10 Sep 2026US 2026/0266387 A1E3 LLC
- Water inlet system in a toilet cistern20 Aug 2026US 2026/0243075 A1Siamp Cedap
- Flow-adjusting valve spool with button20 Aug 2026US 2026/0243362 A1Kaiping Yizhan Valve Core Co., Ltd.
- Self-regulating control valve13 Aug 2026US 2026/0235219 A1
- Slam-shut valves and controller devices for slam-shut valves6 Aug 2026US 2026/0226998 A1Emerson Process Management Regulator Technologies, Inc.
Most cited
By later US patents
- Apparatus and method for manipulating and anchoring tissue822US 5,417,691 A1995
- Combined shut off and check valve210US 4,649,952 AJogler, Inc. · 1987
- Combined shut off and check valve203US 4,690,169 AJogler, Inc. · 1987
- Pneumatic powered autoinjector94US 7,654,983 B2Johnson & Johnson Vision Care, Inc. · 2010
- Actuator for an appliance associated with a ducted body, especially a drill rod74US 4,821,817 AS.M.F. International · 1989