F16K 27/0232
The valve member retained by a removable closure
Official title: {the valve member retained by a removable closure}
F16K27/0232 (The valve member retained by a removable closure) appears on 52 US grants and 30 published applications in this corpus.
Search patents in F16K- Granted patents
- 52
- Published applications
- 30
- Assignees
- 29
- Inventors
- 70
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 1 | 3 |
| 2022 | 3 | 5 |
| 2023 | 6 | 6 |
| 2024 | 6 | 3 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Foldable, boot loadable, insertable air damper device22 Sep 2026US 12,742,567 B2Arzel Zoning Technology, Inc.
- Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud31 Mar 2026US 12,590,641 B2Watts Regulator Co.
- Valve shaft locking mechanism31 Dec 2024US 12,180,060 B2Protechna S.A.
- Backflow prevention assembly having a cartridge with dual zone testing31 Dec 2024US 12,181,059 B2Watts Regulator Co.
- Telescoping spring retention assembly for a check valve31 Dec 2024US 12,181,060 B2Watts Regulator Co.
- Check valve25 Dec 2025US 2025/0389339 A1Forum US, Inc.
- Check valves6 Mar 2025US 2025/0075813 A1
- Foldable, boot loadable, insertable air damper device5 Sep 2024US 2024/0295340 A1Arzel Zoning Technology, Inc.
- Telescoping spring retention assembly for a check valve21 Mar 2024US 2024/0093797 A1Watts Regulator Co.
- Valve device15 Feb 2024US 2024/0052940 A1Mikuni Corporation
Most cited
By later US patents
- Swing check valve70US 6,679,290 B2Dixon Bayco Limited · 2004
- Check valve and backflow preventer64US 5,947,152 AGrinnell Corporation · 1999
- Spring return check valve63US 6,050,294 AVal-Matic Valve & Manufacturing Corp. · 2000
- Swing-type check valve assembly having an integrated valve seat and valve housing cover48US 5,794,655 AConbraco Industries, Inc. · 1998
- Check valve41US 4,054,153 A1977