F16K 5/06
Plug valves: with plugs having spherical surfaces
Official title: with plugs having spherical surfaces; Packings therefor
F16K5/06 (Plug valves: with plugs having spherical surfaces) appears on 1,589 US grants and 1,310 published applications in this corpus.
Search patents in F16K- Granted patents
- 1,589
- Published applications
- 1,310
- Assignees
- 807
- Inventors
- 2,575
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 15 | 0 |
| 1978 | 32 | 0 |
| 1979 | 26 | 0 |
| 1980 | 16 | 0 |
| 1981 | 29 | 0 |
| 1982 | 14 | 0 |
| 1983 | 15 | 0 |
| 1984 | 21 | 0 |
| 1985 | 26 | 0 |
| 1986 | 21 | 0 |
| 1987 | 32 | 0 |
| 1988 | 18 | 0 |
| 1989 | 26 | 0 |
| 1990 | 29 | 0 |
| 1991 | 16 | 0 |
| 1992 | 21 | 0 |
| 1993 | 28 | 0 |
| 1994 | 21 | 0 |
| 1995 | 17 | 0 |
| 1996 | 20 | 0 |
| 1997 | 9 | 0 |
| 1998 | 14 | 0 |
| 1999 | 23 | 0 |
| 2000 | 22 | 0 |
| 2001 | 30 | 11 |
| 2002 | 21 | 14 |
| 2003 | 16 | 21 |
| 2004 | 15 | 28 |
| 2005 | 20 | 27 |
| 2006 | 19 | 27 |
| 2007 | 13 | 25 |
| 2008 | 18 | 30 |
| 2009 | 14 | 25 |
| 2010 | 22 | 47 |
| 2011 | 12 | 44 |
| 2012 | 30 | 42 |
| 2013 | 28 | 42 |
| 2014 | 38 | 62 |
| 2015 | 55 | 71 |
| 2016 | 57 | 75 |
| 2017 | 46 | 62 |
| 2018 | 62 | 77 |
| 2019 | 61 | 72 |
| 2020 | 56 | 97 |
| 2021 | 90 | 80 |
| 2022 | 84 | 90 |
| 2023 | 74 | 78 |
| 2024 | 70 | 64 |
| 2025 | 60 | 66 |
| 2026 | 49 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16K 5/0663Packings620
- F16K 5/0605With particular plug arrangements447
- F16K 5/0647Spindles or actuating means358
- F16K 5/0626Easy mounting or dismounting means343
- F16K 5/0657Particular coverings or materials100
- F16K 5/061Knee-joint37
- F16K 5/0621With a spherical segment mounted around a supply pipe20
- F16K 5/0615The angle the spindle makes with the housing being other than 9011
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By later US patents
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