F16K 3/0281
Guillotine or blade-type valves
Official title: {Guillotine or blade-type valves, e.g. no passage through the valve member}
F16K3/0281 (Guillotine or blade-type valves) appears on 300 US grants and 257 published applications in this corpus.
Search patents in F16K- Granted patents
- 300
- Published applications
- 257
- Assignees
- 182
- Inventors
- 505
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 5 |
| 2006 | 6 | 3 |
| 2007 | 3 | 6 |
| 2008 | 8 | 5 |
| 2009 | 2 | 7 |
| 2010 | 3 | 6 |
| 2011 | 5 | 2 |
| 2012 | 3 | 3 |
| 2013 | 3 | 7 |
| 2014 | 4 | 15 |
| 2015 | 6 | 13 |
| 2016 | 6 | 11 |
| 2017 | 16 | 16 |
| 2018 | 15 | 28 |
| 2019 | 19 | 20 |
| 2020 | 21 | 14 |
| 2021 | 15 | 10 |
| 2022 | 19 | 17 |
| 2023 | 19 | 20 |
| 2024 | 17 | 18 |
| 2025 | 11 | 16 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents