F16K 11/052
With pivoted closure members
Official title: with pivoted closure members, e.g. butterfly valves
F16K11/052 (With pivoted closure members) appears on 280 US grants and 237 published applications in this corpus.
Search patents in F16K- Granted patents
- 280
- Published applications
- 237
- Assignees
- 202
- Inventors
- 572
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 8 |
| 2003 | 10 | 6 |
| 2004 | 5 | 5 |
| 2005 | 6 | 7 |
| 2006 | 5 | 6 |
| 2007 | 6 | 4 |
| 2008 | 0 | 6 |
| 2009 | 3 | 10 |
| 2010 | 3 | 3 |
| 2011 | 1 | 7 |
| 2012 | 6 | 6 |
| 2013 | 8 | 11 |
| 2014 | 4 | 13 |
| 2015 | 11 | 26 |
| 2016 | 15 | 26 |
| 2017 | 21 | 17 |
| 2018 | 11 | 7 |
| 2019 | 9 | 10 |
| 2020 | 13 | 11 |
| 2021 | 8 | 15 |
| 2022 | 12 | 15 |
| 2023 | 6 | 5 |
| 2024 | 9 | 2 |
| 2025 | 5 | 7 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Modular air valve system12 May 2026US 12,624,763 B2Hamilton Sundstrand Corporation
- Waste-water diverter10 Feb 2026US 12,546,095 B2Revincus GmbH
- Adjustable flow splitter for distribution systems1 Jul 2025US 12,345,365 B2Kidde-Graviner Limited
- Pump device with a centrifugal pump and a mixing unit27 May 2025US 12,311,324 B2Grundfos Holding A/S
- Bypass strainer valve assembly and method6 May 2025US 12,292,122 B2Hoffman Enclosures, Inc.
- Rotary valve13 Aug 2026US 2026/0235212 A1Aisin Corporation
- Coolant distributor flapper valve11 Jun 2026US 2026/0160344 A1Stoneridge Control Devices, Inc.
- Catheter Valve, Catheter and Assembly Method16 Apr 2026US 2026/0102600 A1
- Indexing Valve For Regenerative Thermal Oxidizer5 Jun 2025US 2025/0180128 A1Process Combustion Corporation
- Waste-water diverter29 May 2025US 2025/0171984 A1Revincus GmbH
Most cited
By later US patents
- Mobile congeneration apparatus including inventive valve and boiler216US 5,517,822 AApplied Energy Systems of Oklahoma, Inc. · 1996
- Boiler system useful in mobile cogeneration apparatus158US 5,626,103 AApplied Energy Systems of Oklahoma, Inc. · 1997
- Means for separating a fluid stream into two separate streams59US 5,165,450 ATexaco Inc. · 1992
- Flow diverter for controlling the pressure and flow rate in a CPAP device59US 6,745,770 B2ResMed Limited · 2004
- Two-way valve54US 6,220,299 B1Gambro Lundia AB · 2001