F16K 5/20
For plugs with spherical surfaces
Official title: for plugs with spherical surfaces
F16K5/20 (For plugs with spherical surfaces) appears on 469 US grants and 332 published applications in this corpus.
Search patents in F16K- Granted patents
- 469
- Published applications
- 332
- Assignees
- 266
- Inventors
- 755
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 14 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 1 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 6 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 2 |
| 2005 | 2 | 4 |
| 2006 | 2 | 3 |
| 2007 | 5 | 5 |
| 2008 | 1 | 6 |
| 2009 | 2 | 7 |
| 2010 | 7 | 7 |
| 2011 | 3 | 15 |
| 2012 | 9 | 15 |
| 2013 | 8 | 14 |
| 2014 | 10 | 13 |
| 2015 | 19 | 21 |
| 2016 | 18 | 20 |
| 2017 | 15 | 20 |
| 2018 | 20 | 22 |
| 2019 | 17 | 20 |
| 2020 | 19 | 34 |
| 2021 | 33 | 24 |
| 2022 | 30 | 30 |
| 2023 | 21 | 12 |
| 2024 | 22 | 17 |
| 2025 | 12 | 8 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ball valve with endurance enhancing features22 Sep 2026US 12,742,504 B2Precision Engine Controls Corporation
- Valve seat and a valve sealing arrangement of a valve assembly25 Aug 2026US 12,716,506 B2Fisher Controls International LLC
- Valve device11 Aug 2026US 12,704,188 B2Denso Corporation
- Valve assembly useful for cryogenic applications5 May 2026US 12,618,479 B2ITT Manufacturing Enterprises, Inc.
- Bidirectional one piece metal seat for ball valve28 Apr 2026US 12,612,971 B2Bray International, Inc.
- Tight spring cavity with filler24 Sep 2026US 2026/0287071 A1FloWorks International LLC
- Fluid-dispensing motorised valve20 Aug 2026US 2026/0243357 A1Vernet
- Electromechanical actuating device, and fluid distribution valve comprising such an electromechanical actuating device30 Jul 2026US 2026/0218806 A1Vernet
- Repairable valve25 Jun 2026US 2026/0177150 A1Mogas Industries, Inc.
- Valve assembly useful for cryogenic applications26 Mar 2026US 2026/0085758 A1ITT Manufacturing Enterprises, Inc.
Most cited
By later US patents
- Automatic shutoff valve114US 5,240,022 A1993
- Self draining valve84US 6,267,353 B1PBM, Inc. · 2001
- Device providing an effective seal for a spherical rotary slide valve67US 4,511,150 ASociete Nouvelle Auxim (Societe Anonyme) · 1985
- Top entry trunnion ball valve57US 4,566,482 A1986
- Ball valve having valve chamber venting seal assemblies52US 4,254,793 A1981