F16K 5/0673
Composite packings
Official title: {Composite packings}
F16K5/0673 (Composite packings) appears on 228 US grants and 141 published applications in this corpus.
Search patents in F16K- Granted patents
- 228
- Published applications
- 141
- Assignees
- 160
- Inventors
- 407
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 11 | 0 |
| 1986 | 5 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 3 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 8 |
| 2012 | 3 | 7 |
| 2013 | 3 | 4 |
| 2014 | 6 | 9 |
| 2015 | 6 | 4 |
| 2016 | 3 | 3 |
| 2017 | 6 | 6 |
| 2018 | 7 | 15 |
| 2019 | 9 | 9 |
| 2020 | 7 | 13 |
| 2021 | 10 | 7 |
| 2022 | 13 | 12 |
| 2023 | 6 | 4 |
| 2024 | 7 | 5 |
| 2025 | 4 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve seat and a valve sealing arrangement of a valve assembly25 Aug 2026US 12,716,506 B2Fisher Controls International LLC
- Fixed seat shut-off valve and process for assembling the same2 Jun 2026US 12,644,524 B2Buti Research S.r.L.
- Control valves with adjustable valve packing14 Apr 2026US 12,601,423 B2Fisher Controls International LLC
- Seat insert for a cryogenic ball valve24 Feb 2026US 12,560,247 B2Saint-Gobain Performance Plastics Corporation
- Systems and methods for double piston effect ball valves30 Dec 2025US 12,510,167 B2SCV Valve, LLC
- Characterized disc retention9 Jul 2026US 2026/0194148 A1Bray International, Inc.
- Seat insert for a cryogenic ball valve4 Jun 2026US 2026/0153154 A1Saint-Gobain Performance Plastics Corporation
- Systems and methods for double piston effect ball valves26 Mar 2026US 2026/0085760 A1SCV Valve, LLC
- Systems and methods for double piston effect ball valves4 Sep 2025US 2025/0277531 A1SCV Valve, LLC
- Acid Ball Valve Assembly for Railroad Tank Car4 Sep 2025US 2025/0277538 A1McKenzie Valve & Machining LLC
Most cited
By later US patents
- Bimetallic C-ring seal79US 4,658,847 AThe Fluorocarbon Company · 1987
- 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
- True union ball valve54US 4,023,773 AGeorg Fischer Aktiengesellschaft · 1977
- Valve seat retraction method and apparatus53US 4,718,444 AKF Industries, Inc. · 1988