F16K 7/12
Diaphragm valves or cut-off apparatus: with flat, dished, or bowl-shaped diaphragm
Official title: with flat, dished, or bowl-shaped diaphragm
F16K7/12 (Diaphragm valves or cut-off apparatus: with flat, dished, or bowl-shaped diaphragm) appears on 1,144 US grants and 1,157 published applications in this corpus.
Search patents in F16K- Granted patents
- 1,144
- Published applications
- 1,157
- Assignees
- 571
- Inventors
- 1,951
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 8 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 13 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 16 | 0 |
| 1999 | 16 | 0 |
| 2000 | 26 | 0 |
| 2001 | 20 | 8 |
| 2002 | 16 | 25 |
| 2003 | 15 | 18 |
| 2004 | 22 | 24 |
| 2005 | 14 | 32 |
| 2006 | 23 | 38 |
| 2007 | 17 | 27 |
| 2008 | 16 | 28 |
| 2009 | 14 | 25 |
| 2010 | 19 | 29 |
| 2011 | 14 | 25 |
| 2012 | 22 | 24 |
| 2013 | 15 | 24 |
| 2014 | 28 | 45 |
| 2015 | 33 | 48 |
| 2016 | 45 | 82 |
| 2017 | 51 | 64 |
| 2018 | 66 | 67 |
| 2019 | 72 | 80 |
| 2020 | 68 | 91 |
| 2021 | 79 | 73 |
| 2022 | 71 | 61 |
| 2023 | 62 | 60 |
| 2024 | 61 | 58 |
| 2025 | 55 | 49 |
| 2026 | 30 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fluid control valve with diaphragm tensioning geometry6 Oct 2026US 12,753,844 B2Equilibar, LLC
- Safety valve29 Sep 2026US 12,747,806 B2Ham-Let [Israel-Canada] Ltd.
- Valve device15 Sep 2026US 12,736,139 B2Fujikin Incorporated
- Fluid device8 Sep 2026US 12,729,770 B2Surpass Industry Co., Ltd.
- Diaphragm valve formed using additive manufacture18 Aug 2026US 12,710,102 B2Neptune Technology Group Inc.
- Recirculation valve1 Oct 2026US 2026/0298354 A1Kyungdong Navien Co., Ltd.
- High-temperature diaphragm valve1 Oct 2026US 2026/0298355 A1Kitz Sct Corporation
- Valve and fluid control device24 Sep 2026US 2026/0287077 A1Murata Manufacturing Co., Ltd.
- Valve24 Sep 2026US 2026/0287082 A1Fujikin Incorporated
- Dosing valve17 Sep 2026US 2026/0276089 A1Buerkert Werke GmbH
Most cited
By later US patents
- Diaphragm valve with reliability enhancements for atomic layer deposition386US 7,021,330 B2Planar Systems, Inc. · 2006
- Ultrasonic surgical instrument incorporating fluid management296US 8,348,880 B2Ethicon Endo-Surgery, Inc. · 2013
- Method and system for including robots into social networks220US 8,321,364 B1Google Inc. · 2012
- Valve, especially for fluid handling bodies with microflowchannels188US 5,593,130 APharmacia Biosensor AB · 1997
- Valve with flexible sheet member and two port non-flexing backer member181US 5,660,370 AIntegrated Fludics, Inc. · 1997