F16K 15/038
Having a common hinge
Official title: {having a common hinge}
F16K15/038 (Having a common hinge) appears on 121 US grants and 112 published applications in this corpus.
Search patents in F16K- Granted patents
- 121
- Published applications
- 112
- Assignees
- 55
- Inventors
- 216
- 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 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 3 |
| 2008 | 2 | 8 |
| 2009 | 4 | 7 |
| 2010 | 1 | 5 |
| 2011 | 2 | 0 |
| 2012 | 2 | 5 |
| 2013 | 2 | 3 |
| 2014 | 5 | 4 |
| 2015 | 3 | 6 |
| 2016 | 9 | 12 |
| 2017 | 6 | 10 |
| 2018 | 4 | 4 |
| 2019 | 6 | 6 |
| 2020 | 11 | 9 |
| 2021 | 6 | 3 |
| 2022 | 0 | 6 |
| 2023 | 8 | 4 |
| 2024 | 2 | 2 |
| 2025 | 6 | 4 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- 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
- Check valves6 Mar 2025US 2025/0075813 A1
Most cited
By later US patents
- Prosthetic heart valve164US 5,002,567 ASorin Biomedica S.p.A. · 1991
- Filler neck butterfly check valve123US 5,518,026 AG. T. Products, Inc. · 1996
- Check valve including means to permit selective back flow122US 5,819,791 AGulf Valve Company · 1998
- Snap acting split flapper valve48US 7,311,740 B2Honeywell International Inc. · 2007
- Check valve38US 4,079,751 AFMC Corporation · 1978