F16K 41/12
With approximately flat diaphragm
Official title: with approximately flat diaphragm
F16K41/12 (With approximately flat diaphragm) appears on 173 US grants and 116 published applications in this corpus.
Search patents in F16K- Granted patents
- 173
- Published applications
- 116
- Assignees
- 109
- Inventors
- 262
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 3 |
| 2002 | 3 | 5 |
| 2003 | 5 | 2 |
| 2004 | 3 | 3 |
| 2005 | 3 | 5 |
| 2006 | 3 | 3 |
| 2007 | 0 | 4 |
| 2008 | 4 | 6 |
| 2009 | 2 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 1 |
| 2014 | 2 | 6 |
| 2015 | 3 | 3 |
| 2016 | 5 | 4 |
| 2017 | 3 | 3 |
| 2018 | 4 | 8 |
| 2019 | 8 | 8 |
| 2020 | 4 | 8 |
| 2021 | 6 | 6 |
| 2022 | 10 | 7 |
| 2023 | 2 | 9 |
| 2024 | 8 | 4 |
| 2025 | 7 | 6 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Variable control orifice valve10 Feb 2026US 12,546,396 B2Compart Systems Pte. Ltd.
- Fluid control valve and method for manufacturing the same2 Dec 2025US 12,486,909 B2Ckd Corporation
- Electric valve8 Jul 2025US 12,352,358 B2Zhejiang Sanhua Automotive Components Co., Ltd.
- Electromagnetic valve27 May 2025US 12,313,177 B2Koito Manufacturing Co., Ltd.
- Valve device having anti-freeze function27 May 2025US 12,313,181 B2Hyundai Motor Company
- Variable control orifice valve24 Sep 2026US 2026/0287065 A1Compart Systems Pte. Ltd.
- Sealing a cage guided valve20 Aug 2026US 2026/0243369 A1Dresser, Inc.
- Pneumatic gas inlet valve with adjustable stop23 Jul 2026US 2026/0210442 A1VAT Holding AG
- Diaphragm valve and valve disk14 Aug 2025US 2025/0257805 A1Kitz Sct Corporation
- Valve device7 Aug 2025US 2025/0251056 A1Hyundai Motor Company
Most cited
By later US patents
- Disposable ambulatory microprocessor controlled volumetric pump249US 5,807,075 ASarcos Corp. · 1998
- Leak detection arrangement for valve having sealing means84US 4,010,769 APlast-O-Matic Valves, Inc. · 1977
- Volumetric pump with sterility seal77US 6,007,310 ASarcos LC · 1999
- Volumetric pump/valve74US 5,632,606 ASarcos Group · 1997
- Volumetric pump and value65US 5,556,263 ASarcos Group · 1996