F16K 15/031
The hinge being flexible
Official title: {the hinge being flexible}
F16K15/031 (The hinge being flexible) appears on 108 US grants and 97 published applications in this corpus.
Search patents in F16K- Granted patents
- 108
- Published applications
- 97
- Assignees
- 82
- Inventors
- 211
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 3 | 6 |
| 2010 | 2 | 4 |
| 2011 | 1 | 5 |
| 2012 | 4 | 8 |
| 2013 | 5 | 1 |
| 2014 | 5 | 6 |
| 2015 | 6 | 4 |
| 2016 | 4 | 7 |
| 2017 | 8 | 5 |
| 2018 | 3 | 7 |
| 2019 | 10 | 6 |
| 2020 | 3 | 5 |
| 2021 | 4 | 6 |
| 2022 | 7 | 2 |
| 2023 | 5 | 2 |
| 2024 | 0 | 4 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Replaceable seat for convertible check valve27 Jan 2026US 12,535,140 B2Cornell Pump Company
- Systems and methods for determining valve flutter25 Nov 2025US 12,480,598 B2Hamilton Sundstrand Corporation
- Hydraulic system for a household appliance21 Oct 2025US 12,448,973 B2Copreci, S. Coop.
- Inflatable object and valve therefor8 Apr 2025US 12,270,479 B2Spin Master Ltd.
- Valve with valve body, and crankcase ventilation device28 Nov 2023US 11,828,212 B2Mann+Hummel GmbH
- Systems and methods for determining valve flutter17 Apr 2025US 2025/0122951 A1Hamilton Sundstrand Corporation
- Replaceable seat for convertible check valve21 Nov 2024US 2024/0384797 A1Cornell Pump Company
- Hydraulic system for a household appliance27 Jun 2024US 2024/0209860 A1Copreci, S. Coop.
- Valve device15 Feb 2024US 2024/0052940 A1Mikuni Corporation
- Inflatable object and valve therefor8 Feb 2024US 2024/0044414 A1Spin Master Ltd.
Most cited
By later US patents
- Prosthetic closure devices to replace the valves in human hearts198US 4,263,680 ABeiersdorf AG · 1981
- Bileaflet heart valve with external leaflets137US 5,078,739 AJanus Biomedical, Inc. · 1992
- Filler neck butterfly check valve123US 5,518,026 AG. T. Products, Inc. · 1996
- Flap valve115US 5,117,871 ASimon-Hartley Limited · 1992
- Swing check valve70US 6,679,290 B2Dixon Bayco Limited · 2004