F16K 5/04
Plug valves: with plugs having cylindrical surfaces
Official title: with plugs having cylindrical surfaces; Packings therefor
F16K5/04 (Plug valves: with plugs having cylindrical surfaces) appears on 738 US grants and 729 published applications in this corpus.
Search patents in F16K- Granted patents
- 738
- Published applications
- 729
- Assignees
- 503
- Inventors
- 1,441
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 13 | 0 |
| 2000 | 9 | 0 |
| 2001 | 12 | 2 |
| 2002 | 8 | 7 |
| 2003 | 6 | 17 |
| 2004 | 11 | 8 |
| 2005 | 11 | 13 |
| 2006 | 11 | 16 |
| 2007 | 8 | 11 |
| 2008 | 6 | 10 |
| 2009 | 8 | 12 |
| 2010 | 4 | 17 |
| 2011 | 4 | 9 |
| 2012 | 11 | 15 |
| 2013 | 17 | 16 |
| 2014 | 11 | 22 |
| 2015 | 20 | 41 |
| 2016 | 21 | 39 |
| 2017 | 38 | 54 |
| 2018 | 36 | 45 |
| 2019 | 46 | 57 |
| 2020 | 44 | 68 |
| 2021 | 57 | 52 |
| 2022 | 42 | 35 |
| 2023 | 50 | 48 |
| 2024 | 34 | 46 |
| 2025 | 43 | 45 |
| 2026 | 21 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16K 5/0457Packings249
- F16K 5/0407With particular plug arrangements246
- F16K 5/0414Plug channel at 90 degrees to the inlet143
- F16K 5/0442Spindles and actuating means79
- F16K 5/0492Easy mounting or dismounting means50
- F16K 5/045Particular coverings and materials39
- F16K 5/0421Fixed plug and turning sleeve29
- F16K 5/0428With a cylindrical segment mounted around a supply pipe11
All 9 subgroupsShow fewer
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By later US patents
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