F16K 5/0636
The spherical plug being insertable from the top of the housing
Official title: {the spherical plug being insertable from the top of the housing}
F16K5/0636 (The spherical plug being insertable from the top of the housing) appears on 100 US grants and 69 published applications in this corpus.
Search patents in F16K- Granted patents
- 100
- Published applications
- 69
- Assignees
- 68
- Inventors
- 178
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 3 | 3 |
| 2014 | 3 | 2 |
| 2015 | 4 | 1 |
| 2016 | 1 | 2 |
| 2017 | 3 | 7 |
| 2018 | 5 | 3 |
| 2019 | 0 | 4 |
| 2020 | 3 | 9 |
| 2021 | 13 | 6 |
| 2022 | 5 | 3 |
| 2023 | 4 | 4 |
| 2024 | 4 | 6 |
| 2025 | 3 | 2 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Valve assembly useful for cryogenic applications5 May 2026US 12,618,479 B2ITT Manufacturing Enterprises, Inc.
- Ball valve3 Mar 2026US 12,565,935 B2OTTO EGELHOF GmbH & Co. KG
- Valve3 Mar 2026US 12,565,941 B2Kitz Corporation
- Cryogenic ball valve2 Dec 2025US 12,486,908 B2Buti Research S.r.L.
- Top-Entry Ball Valve with Pressure Seal Bonnet for Power and Nuclear Applications20 Aug 2026US 2026/0243354 A1Velan Inc.
- Valve assembly useful for cryogenic applications26 Mar 2026US 2026/0085758 A1ITT Manufacturing Enterprises, Inc.
- Ball Valve with Improved Assembly Configuration15 Jan 2026US 2026/0016095 A1Dramm Corporation of Manitowoc
- Acid Ball Valve Assembly for Railroad Tank Car4 Sep 2025US 2025/0277538 A1McKenzie Valve & Machining LLC
- Cryogenic ball valve6 Feb 2025US 2025/0043871 A1Buti Research S.r.L.
Most cited
By later US patents
- Top entry trunnion ball valve57US 4,566,482 A1986
- Valve seat retraction method and apparatus53US 4,718,444 AKF Industries, Inc. · 1988
- Ball valve with readily removable ball and seats for high temperature environment36US 4,217,923 AKamyr Valves, Inc. · 1980
- Spring and seat assembly for ball valves31US 4,815,701 ACooper Industries, Inc. · 1989
- Top entry ball valve and method of assembly28US 5,313,976 AKeystone International Holdings Corp. · 1994