F16K 1/223
With a plurality of valve members
Official title: {with a plurality of valve members}
F16K1/223 (With a plurality of valve members) appears on 116 US grants and 124 published applications in this corpus.
Search patents in F16K- Granted patents
- 116
- Published applications
- 124
- Assignees
- 92
- Inventors
- 272
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 4 |
| 2003 | 4 | 6 |
| 2004 | 4 | 5 |
| 2005 | 3 | 1 |
| 2006 | 2 | 4 |
| 2007 | 0 | 8 |
| 2008 | 5 | 2 |
| 2009 | 3 | 3 |
| 2010 | 0 | 5 |
| 2011 | 5 | 5 |
| 2012 | 0 | 5 |
| 2013 | 1 | 4 |
| 2014 | 8 | 6 |
| 2015 | 2 | 5 |
| 2016 | 4 | 6 |
| 2017 | 3 | 6 |
| 2018 | 6 | 6 |
| 2019 | 6 | 12 |
| 2020 | 8 | 10 |
| 2021 | 8 | 4 |
| 2022 | 5 | 4 |
| 2023 | 4 | 3 |
| 2024 | 3 | 4 |
| 2025 | 3 | 4 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crank for modular air valve system2 Jun 2026US 12,644,537 B2Hamilton Sundstrand Corporation
- Modular air valve system12 May 2026US 12,624,763 B2Hamilton Sundstrand Corporation
- Butterfly fan inlet and chamber exhaust valve controllers for wave making system21 Oct 2025US 12,448,800 B2Whitewater West Industries Ltd.
- Valve assembly and method16 Sep 2025US 12,416,361 B2G. W. Lisk Company, Inc.
- Throttle device11 Mar 2025US 12,247,527 B2Mikuni Corporation
- Flow control apparatus11 Jun 2026US 2026/0160338 A1ASM IP Holding B. V.
- Butterfly fan inlet and chamber exhaust valve controllers for wave making system22 Jan 2026US 2026/0022579 A1Whitewater West Industries Ltd.
- Valve25 Dec 2025US 2025/0389333 A1
- Modular air valve system15 May 2025US 2025/0155026 A1Hamilton Sundstrand Corporation
- Modular air valve system15 May 2025US 2025/0155027 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Dampers with leaf spring seals37US 4,823,836 A1989
- Fire damper and method of fabrication35US 4,146,048 APrefco Productions, Inc. · 1979
- Bleed valve assembly for double block and bleed system32US 4,846,212 AKeystone International, Inc. · 1989
- Flap valve29US 4,196,745 AGustav F. Gerdts KG · 1980
- Insert check valve or the like25US 4,257,444 ATransamerica DeLaval Inc. · 1981