F16K 27/0227
With the valve members swinging around an axis located at the edge
Official title: {with the valve members swinging around an axis located at the edge of or outside the valve member}
F16K27/0227 (With the valve members swinging around an axis located at the edge) appears on 171 US grants and 152 published applications in this corpus.
Search patents in F16K- Granted patents
- 171
- Published applications
- 152
- Assignees
- 114
- Inventors
- 359
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 3 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 7 |
| 2013 | 0 | 3 |
| 2014 | 6 | 9 |
| 2015 | 4 | 5 |
| 2016 | 5 | 11 |
| 2017 | 9 | 14 |
| 2018 | 7 | 12 |
| 2019 | 13 | 10 |
| 2020 | 10 | 9 |
| 2021 | 9 | 18 |
| 2022 | 16 | 10 |
| 2023 | 10 | 12 |
| 2024 | 16 | 9 |
| 2025 | 4 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Foldable, boot loadable, insertable air damper device22 Sep 2026US 12,742,567 B2Arzel Zoning Technology, Inc.
- Valve with unobstructed flow path having increased flow coefficient31 Mar 2026US 12,590,639 B2Crane ChemPharma & Energy Corp.
- Check cover assemblies for backflow prevention assemblies with integrated test cock protection shroud31 Mar 2026US 12,590,641 B2Watts Regulator Co.
- Replaceable seat for convertible check valve27 Jan 2026US 12,535,140 B2Cornell Pump Company
- Valve device with ball locks30 Dec 2025US 12,510,197 B2Aerojet Rocketdyne, Inc.
- Valve apparatus with a domed valve disc24 Sep 2026US 2026/0287066 A1Wanner Engineering, Inc.
- Reed valve13 Aug 2026US 2026/0235216 A1
- Flap valve and seal with improved seal geometry for such a valve13 Aug 2026US 2026/0235221 A1VAT Holding AG
- Flapper valve for aircraft engine18 Jun 2026US 2026/0168445 A1Pratt & Whitney Canada Corp.
- Check valve25 Dec 2025US 2025/0389339 A1Forum US, Inc.
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
- Flapper valves with hydrofoil and valve systems56US 11,306,835 B1KHOLLE Magnolia 2015, LLC · 2022
- Swing-type check valve assembly having an integrated valve seat and valve housing cover48US 5,794,655 AConbraco Industries, Inc. · 1998