F16K 5/02
Plug valves: with plugs having conical surfaces
Official title: with plugs having conical surfaces; Packings therefor
F16K5/02 (Plug valves: with plugs having conical surfaces) appears on 241 US grants and 204 published applications in this corpus.
Search patents in F16K- Granted patents
- 241
- Published applications
- 204
- Assignees
- 142
- Inventors
- 394
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 3 | 1 |
| 2004 | 1 | 4 |
| 2005 | 4 | 4 |
| 2006 | 4 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 4 |
| 2010 | 3 | 7 |
| 2011 | 2 | 6 |
| 2012 | 4 | 8 |
| 2013 | 7 | 5 |
| 2014 | 2 | 8 |
| 2015 | 7 | 8 |
| 2016 | 5 | 8 |
| 2017 | 8 | 14 |
| 2018 | 7 | 13 |
| 2019 | 13 | 13 |
| 2020 | 8 | 13 |
| 2021 | 15 | 20 |
| 2022 | 11 | 19 |
| 2023 | 14 | 10 |
| 2024 | 15 | 9 |
| 2025 | 9 | 10 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16K 5/0257Packings74
- F16K 5/0207With special plug arrangement69
- F16K 5/0214Plug channel at 90 degrees to the inlet44
- F16K 5/0242Spindles and actuating means40
- F16K 5/025Particular coverings or materials22
- F16K 5/0292Easy mounting or dismounting means14
- F16K 5/0221Fixed plug and turning sleeve5
- F16K 5/0235With the angle the spindle makes housing being other than 90 degrees3
All 9 subgroupsShow fewer
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Most cited
By later US patents
- Ventilator manifold with accessory access port and adaptors therefore261US 5,357,946 ASherwood Medical Company · 1994
- Method for using a respirator accessory access port and adaptor therefore202US 5,333,606 ASherwood Medical Company · 1994
- Respiratory accessory access port and adaptor therefore200US 5,343,857 ASherwood Medical Company · 1994
- Stopcock72US 4,003,403 AInternational Paper Company · 1977
- Respiratory support system and suction catheter device therefor69US 5,309,902 ASherwood Medical Company · 1994