F16K 17/0473
Multiple-way safety valves
Official title: {Multiple-way safety valves}
F16K17/0473 (Multiple-way safety valves) appears on 110 US grants and 95 published applications in this corpus.
Search patents in F16K- Granted patents
- 110
- Published applications
- 95
- Assignees
- 89
- Inventors
- 213
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 1 | 5 |
| 2012 | 6 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 4 |
| 2015 | 2 | 5 |
| 2016 | 3 | 4 |
| 2017 | 5 | 8 |
| 2018 | 5 | 6 |
| 2019 | 8 | 10 |
| 2020 | 11 | 7 |
| 2021 | 8 | 9 |
| 2022 | 7 | 7 |
| 2023 | 9 | 8 |
| 2024 | 3 | 2 |
| 2025 | 5 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic control system and method with electro-proportional pressure valve and integral check5 May 2026US 12,618,424 B2HydraForce, Inc.
- Pressure activated flow balancing double quad valve20 Jan 2026US 12,529,432 B2A.O. International II, Inc.
- Detection air faucet9 Sep 2025US 12,410,870 B2Tangtring Seating Technology Inc.
- Solenoid valve2 Sep 2025US 12,404,947 B2
- High stability regulator3 Jun 2025US 12,320,438 B2The Oilgear Company
- Pressure activated flow balancing double quad valve30 Apr 2026US 2026/0117879 A1A.O. International II, Inc.
- High stability regulator21 Aug 2025US 2025/0264162 A1
- Handheld airless sprayer31 Jul 2025US 2025/0242365 A1Zhejiang Prulde Electric Appliance Co., Ltd.
- Pressure activated flow balancing double quad valve19 Jun 2025US 2025/0198525 A1A.O. International II, Inc.
- Detection air faucet3 Apr 2025US 2025/0110003 A1Tangtring Seating Technology Inc.
Most cited
By later US patents
- Pressure biased shuttle valve106US 6,257,268 B1Gilmore Valve Co., Ltd. · 2001
- Lavage valve72US 5,439,022 A1995
- Flow valve38US 5,791,317 AVDO Adolf Schindling AG · 1998
- Multiple port relief valve20US 4,699,171 ASundstrand Corporation · 1987
- Low pressure recirculation valve20US 4,941,502 AKeystone International Holdings Corp. · 1990