F16K 5/18
For plugs with cylindrical surfaces
Official title: for plugs with cylindrical surfaces
F16K5/18 (For plugs with cylindrical surfaces) appears on 141 US grants and 127 published applications in this corpus.
Search patents in F16K- Granted patents
- 141
- Published applications
- 127
- Assignees
- 91
- Inventors
- 250
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 5 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 5 |
| 2007 | 3 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 5 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 2 |
| 2016 | 4 | 5 |
| 2017 | 1 | 8 |
| 2018 | 7 | 6 |
| 2019 | 6 | 10 |
| 2020 | 9 | 25 |
| 2021 | 18 | 7 |
| 2022 | 10 | 11 |
| 2023 | 12 | 10 |
| 2024 | 6 | 8 |
| 2025 | 9 | 11 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-way valve with single valve rotor14 Jul 2026US 12,680,615 B2Stant USA Corp.
- Distribution valve24 Mar 2026US 12,584,561 B2Noritz Corporation
- Top-loaded rotary valve with elliptical sealing10 Feb 2026US 12,546,399 B2Neptune Technology Group Inc.
- Three-way valve for flow rate control and temperature control device10 Feb 2026US 12,546,400 B2Shinwa Controls Co., Ltd
- Sealing high pressure flow devices27 Jan 2026US 12,535,143 B2Kerr Machine Co.
- Flow path switching valve23 Jul 2026US 2026/0210448 A1
- Top-Loaded Rotary Valve With Elliptical Sealing21 May 2026US 2026/0139746 A1Neptune Technology Group Inc.
- Sealing high pressure flow devices14 May 2026US 2026/0132856 A1Kerr Machine Co.
- Valve device22 Jan 2026US 2026/0022784 A1Nok Corporation
- Rotary flow control valve that requires no linear motion18 Dec 2025US 2025/0383021 A1Fox Factory, Inc.
Most cited
By later US patents
- Sealing high pressure flow devices46US 10,591,070 B2Kerr Machine Co. · 2020
- Sealing high pressure flow devices44US 10,907,738 B2Kerr Machine Co. · 2021
- Gas tight plug valve37US 4,506,696 A1985
- Throttle valve34US 9,958,073 B2Vanguard International Semiconductor Corporation · 2018
- Dual seal valve32US 4,796,858 AHalliburton Company · 1989