F16K 15/036
Dual valve members with hinges crossing the flow line substantially diametrical
Official title: {Dual valve members with hinges crossing the flow line substantially diametrical}
F16K15/036 (Dual valve members with hinges crossing the flow line substantially diametrical) appears on 154 US grants and 123 published applications in this corpus.
Search patents in F16K- Granted patents
- 154
- Published applications
- 123
- Assignees
- 69
- Inventors
- 256
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 3 |
| 2008 | 2 | 9 |
| 2009 | 4 | 7 |
| 2010 | 1 | 6 |
| 2011 | 2 | 0 |
| 2012 | 3 | 5 |
| 2013 | 2 | 3 |
| 2014 | 5 | 4 |
| 2015 | 3 | 7 |
| 2016 | 10 | 13 |
| 2017 | 6 | 11 |
| 2018 | 5 | 5 |
| 2019 | 7 | 7 |
| 2020 | 13 | 10 |
| 2021 | 6 | 3 |
| 2022 | 1 | 6 |
| 2023 | 8 | 5 |
| 2024 | 3 | 2 |
| 2025 | 7 | 5 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for determining valve flutter25 Nov 2025US 12,480,598 B2Hamilton Sundstrand Corporation
- Internally installed check valve23 Sep 2025US 12,422,051 B2US Valve Corporation
- Hose coupling for a hydrant, and hydrant26 Aug 2025US 12,398,543 B2Vonroll Infratec (Investment) AG
- Release valve for fire protection systems, fire protection system and relative activation method19 Aug 2025US 12,390,674 B2
- System, method, and valve assembly for surge protection3 Jun 2025US 12,320,445 B2The Boeing Company
- Press type cup lid25 Jun 2026US 2026/0177158 A1YongKang Rixin Metal Products Co., Ltd
- Flapper valve for aircraft engine18 Jun 2026US 2026/0168445 A1Pratt & Whitney Canada Corp.
- Break check valve26 Feb 2026US 2026/0055842 A1Mueller International, LLC
- Internally installed check valve12 Jun 2025US 2025/0189048 A1US Valve Corporation
- Systems and methods for determining valve flutter17 Apr 2025US 2025/0122951 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Heart valves having edge-guided occluders665US 4,373,216 AHemex, Inc. · 1983
- Prosthetic valve means for cardiovascular surgery627US 4,406,022 A1983
- Prosthetic heart valve164US 5,002,567 ASorin Biomedica S.p.A. · 1991
- Cardiac valve prosthesis151US 5,197,980 A1993
- Two-leaflet prosthetic heart valve130US 4,892,540 ASorin Biomedica S.p.A. · 1990