F16K 7/18
Diaphragm valves or cut-off apparatus: with diaphragm secured at one side only
Official title: with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action
F16K7/18 (Diaphragm valves or cut-off apparatus: with diaphragm secured at one side only) appears on 51 US grants and 18 published applications in this corpus.
Search patents in F16K- Granted patents
- 51
- Published applications
- 18
- Assignees
- 44
- Inventors
- 83
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Controlling flow of a fluid using thermally deformable channel18 Nov 2025US 12,474,721 B2Hamilton Sundstrand Corporation
- Valves and methods of operating valves30 Jan 2024US 11,885,428 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Serial airlock architecture25 Jan 2022US 11,230,298 B2Hyperloop Technologies, Inc.
- Controller15 Jun 2021US 11,035,493 B2Fujikin Incorporated
- Fluid flow control device17 Mar 2020US 10,591,078 B2The Boeing Company
- Controlling flow of a fluid using thermally deformable channel20 Jun 2024US 2024/0201711 A1Hamilton Sundstrand Corporation
- Float valve, compressed-air system having a float valve, and drier for a compressed-air system having a float valve2 Mar 2023US 2023/0062396 A1DüRr Dental SE
- Valves and methods of operating valves24 Nov 2022US 2022/0373095 A1Toyota Motor Engineering & Manufacturing North America, Inc.
- Serial airlock architecture24 Mar 2022US 2022/0089195 A1Hyperloop Technologies, Inc.
- Controller16 Jan 2020US 2020/0018331 A1Fujikin Incorporated
Most cited
By later US patents
- Control regulator having a rolling diaphragm46US 4,624,442 A1986
- Pipeline cutoff device35US 4,084,617 AJohann Baptist Rombach, Karlsruhe, GmbH & Co. KG · 1978
- Curtain valve28US 3,951,168 AFisher Controls Company, Inc. · 1976
- Fluid flow valve26US 4,770,201 AAran Engineering Development Ltd. · 1988
- Fluid-flow valves21US 4,029,295 AHansen Inc. · 1977