F16K 31/165
The fluid acting on a diaphragm
Official title: the fluid acting on a diaphragm
F16K31/165 (The fluid acting on a diaphragm) appears on 88 US grants and 63 published applications in this corpus.
Search patents in F16K- Granted patents
- 88
- Published applications
- 63
- Assignees
- 48
- Inventors
- 147
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 6 |
| 2010 | 3 | 6 |
| 2011 | 3 | 3 |
| 2012 | 4 | 4 |
| 2013 | 4 | 1 |
| 2014 | 4 | 7 |
| 2015 | 5 | 4 |
| 2016 | 6 | 2 |
| 2017 | 2 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 4 | 6 |
| 2021 | 3 | 3 |
| 2022 | 6 | 3 |
| 2023 | 1 | 1 |
| 2024 | 3 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Main valve for drawing straightway deluge valve4 Jun 2024US 11,998,779 B2Shandong Meihua Fire Technology Co., Ltd.
- Valve positioner and diagnostic method4 Jun 2024US 12,000,503 B2Neles Finland Oy
- Fluidic devices14 May 2024US 11,982,377 B1Meta Platforms Technologies, LLC
- Pilot-operated pressure regulator1 Aug 2023US 11,713,828 B2Dresser, Inc.
- Ejector and refrigerating system4 Oct 2022US 11,460,124 B2Carrier Corporation
- Valve24 Sep 2026US 2026/0287082 A1Fujikin Incorporated
- A pressure regulating valve structure10 Jul 2025US 2025/0224746 A1Intex Marketing Ltd.
- Constant pressure valve, and alarm valve station and sprinkler system comprising same15 Jun 2023US 2023/0181952 A1Minimax GmbH & Co. KG
- Measurement and use of shaft torque in a control valve3 Nov 2022US 2022/0350351 A1Fisher Controls International LLC
- Valve positioner and diagnostic method20 Oct 2022US 2022/0333714 A1Neles Finland Oy
Most cited
By later US patents
- Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing160US 10,094,366 B2National Oilwell Varco, L. P. · 2018
- Fluid flow control damper assembly and method48US 5,458,148 A1995
- Back pressure regulator with floating seal support36US 9,447,890 B2Equilibar, LLC · 2016
- Variable force actuator31US 4,050,670 AMasoneilan International, Inc. · 1977
- Valve actuator29US 3,985,151 AKeystone International, Inc. · 1976