F16K 31/445
With exterior sleeve
Official title: {with exterior sleeve}
F16K31/445 (With exterior sleeve) appears on 67 US grants and 69 published applications in this corpus.
Search patents in F16K- Granted patents
- 67
- Published applications
- 69
- Assignees
- 46
- Inventors
- 115
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 4 | 5 |
| 2014 | 5 | 3 |
| 2015 | 6 | 4 |
| 2016 | 4 | 7 |
| 2017 | 4 | 4 |
| 2018 | 3 | 3 |
| 2019 | 8 | 10 |
| 2020 | 3 | 3 |
| 2021 | 4 | 2 |
| 2022 | 1 | 1 |
| 2023 | 5 | 2 |
| 2024 | 4 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid couplings with an in-line flow valve12 May 2026US 12,624,784 B2Colder Products Company
- Fast switch and corresponding use14 Oct 2025US 12,442,163 B2Neoperl GmbH
- Fluid couplings29 Jul 2025US 12,372,183 B2Colder Products Company
- Tubing retrievable safety valve assembly with secondary flapper and seat6 May 2025US 12,291,941 B2Halliburton Energy Services.Inc.
- Flow control structure of water hose joint3 Dec 2024US 12,158,227 B2
- Fluid couplings with in-line flow valve17 Sep 2026US 2026/0276121 A1Colder Products Company
- Fluid couplings20 Nov 2025US 2025/0354639 A1Colder Products Company
- Tubing retrievable safety valve assembly with secondary flapper and seat7 Aug 2025US 2025/0250883 A1Halliburton Energy Services.Inc.
- Fluid couplings with an in-line flow valve20 Mar 2025US 2025/0092974 A1Colder Products Company
- Fluid couplings14 Nov 2024US 2024/0377013 A1Colder Products Company
Most cited
By later US patents
- Non-refillable safety valve44US 3,985,332 ABristol Screw Products Corporation · 1976
- Constriction valve39US 10,183,159 B2HeartStitch, Inc. · 2019
- Gas pressurized packing system for control valves39US 9,528,631 B2Fisher Controls International LLC · 2016
- Valves22US 7,726,315 B2Smiths Group PLC · 2010
- Fluid transfer device and system18US 8,544,497 B2EMD Millipore Corporation · 2013