F16K 5/225
For plugs with cylindrical surfaces
Official title: {for plugs with cylindrical surfaces}
F16K5/225 (For plugs with cylindrical surfaces) appears on 11 US grants and 5 published applications in this corpus.
Search patents in F16K- Granted patents
- 11
- Published applications
- 5
- Assignees
- 9
- Inventors
- 23
- Latest grant
- 22 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- O-ring lubrication system11 Aug 2020US 10,738,897 B2GP Companies, Inc.
- Plug valve and methods2 Apr 2019US 10,247,314 B2Tech Energy Products, L.L.C.
- Plug valve and methods20 Feb 2018US 9,897,223 B1Tech Energy Products, L.L.C.
- Three-way valve for flow rate control, and temperature control device2 Jul 2026US 2026/0185619 A1Shinwa Controls Co., Ltd
- Plug Valve Assembly20 Apr 2023US 2023/0119815 A1SPM Oil & Gas Inc.
- O-ring lubrication system15 Aug 2019US 2019/0249783 A1GP Companies, Inc.
- Plug valve and methods24 May 2018US 2018/0142797 A1Tech Energy Products, L.L.C.
- Rotary Valve for Industrial Fluid Flow Control12 Mar 2009US 2009/0065724 A1Mitton Valve Technology Inc.
Most cited
By later US patents
- Diverter valve assembly and method26US 4,635,674 A1987
- Lubricated plug valve20US 6,675,825 B1Dixie Iron Works, Ltd. · 2004
- Lubricated split plug valve12US 4,450,854 AVapor Corporation · 1984
- Lubricated split plug valve9US 4,393,893 AVapor Corporation · 1983
- Rotary valve having a fluid bearing9US 5,901,737 A1999