F16K 7/02
Diaphragm valves or cut-off apparatus: with tubular diaphragm
Official title: with tubular diaphragm
F16K7/02 (Diaphragm valves or cut-off apparatus: with tubular diaphragm) appears on 836 US grants and 638 published applications in this corpus.
Search patents in F16K- Granted patents
- 836
- Published applications
- 638
- Assignees
- 519
- Inventors
- 1,466
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 21 | 0 |
| 1982 | 18 | 0 |
| 1983 | 9 | 0 |
| 1984 | 14 | 0 |
| 1985 | 14 | 0 |
| 1986 | 5 | 0 |
| 1987 | 16 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 19 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 8 | 0 |
| 2000 | 20 | 0 |
| 2001 | 9 | 3 |
| 2002 | 11 | 9 |
| 2003 | 10 | 16 |
| 2004 | 15 | 24 |
| 2005 | 22 | 17 |
| 2006 | 20 | 17 |
| 2007 | 13 | 16 |
| 2008 | 7 | 15 |
| 2009 | 8 | 13 |
| 2010 | 7 | 16 |
| 2011 | 6 | 20 |
| 2012 | 12 | 27 |
| 2013 | 16 | 25 |
| 2014 | 18 | 32 |
| 2015 | 26 | 32 |
| 2016 | 32 | 35 |
| 2017 | 37 | 54 |
| 2018 | 29 | 32 |
| 2019 | 43 | 36 |
| 2020 | 34 | 41 |
| 2021 | 33 | 30 |
| 2022 | 30 | 22 |
| 2023 | 28 | 34 |
| 2024 | 27 | 31 |
| 2025 | 29 | 25 |
| 2026 | 16 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System of valves for cell culture machine6 Oct 2026US 12,753,847 B2Cellaven
- Clamp assemblies for clamping tubing and controlling fluid flow29 Sep 2026US 12,747,819 B2Corning Incorporated
- Leak-proof fluid connection system22 Sep 2026US 12,741,131 B2CareFusion 303, Inc.
- Pneumatic actuator assembly for reduced dead leg15 Sep 2026US 12,736,151 B2Repligen Corporation
- Clamp, especially for a connection between a ventilator and a patient25 Aug 2026US 12,714,844 B2Drägerwerk AG & Co. KGaA
- Flow Restriction Devices, Methods, and Systems17 Sep 2026US 2026/0273179 A1NxStage Medical, Inc.
- Pneumatic drain valve driving device17 Sep 2026US 2026/0275694 A1Kohler (China) Investment Co., Ltd.
- Tube clamping device and operating method17 Sep 2026US 2026/0276088 A1Kendrion Kuhnke Automation GmbH
- Pinch valve subassembly10 Sep 2026US 2026/0266383 A1Saban Ventures Pty Limited
- Tube clamp and tube holder20 Aug 2026US 2026/0243356 A1Organo Corporation
Most cited
By later US patents
- Pressure sensitive valves for extracorporeal circuits251US 5,186,431 A1993
- Variable orifice sealing valve177US 5,211,370 A1993
- Body cavity pressure adjusting device for endoscope and laser medical treatment apparatus including body cavity pressure adjusting device175US 4,971,034 AAsahi Kogaku Kogyo Kabushiki Kaisha · 1990
- System, method, and apparatus for monitoring, regulating, or controlling fluid flow174US 9,435,455 B2DEKA Products Limited Partnership · 2016
- Hand-held appliance for personal hygiene166US 4,655,198 AGimelli & Co. AG · 1987