F16K 3/0236
The packing being of a non-resilient material
Official title: {the packing being of a non-resilient material, e.g. ceramic, metal}
F16K3/0236 (The packing being of a non-resilient material) appears on 141 US grants and 147 published applications in this corpus.
Search patents in F16K- Granted patents
- 141
- Published applications
- 147
- Assignees
- 78
- Inventors
- 204
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 3 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 3 | 4 |
| 2010 | 0 | 8 |
| 2011 | 2 | 2 |
| 2012 | 5 | 5 |
| 2013 | 5 | 9 |
| 2014 | 5 | 5 |
| 2015 | 4 | 10 |
| 2016 | 6 | 4 |
| 2017 | 5 | 6 |
| 2018 | 7 | 7 |
| 2019 | 7 | 7 |
| 2020 | 4 | 9 |
| 2021 | 13 | 8 |
| 2022 | 4 | 10 |
| 2023 | 11 | 10 |
| 2024 | 6 | 8 |
| 2025 | 13 | 16 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seat for gate valve6 Oct 2026US 12,753,842 B2Chevron U.S.A.Inc.
- Compact slab gate valve systems and method of use29 Sep 2026US 12,747,795 B2SCV Valve, LLC
- Unbalanced pressure activated valve seal assembly2 Jun 2026US 12,644,523 B2Force Pressure Control, LLC
- Control valves with adjustable valve packing14 Apr 2026US 12,601,423 B2Fisher Controls International LLC
- Gate valves with dynamic skirts and multiple energizers24 Mar 2026US 12,584,560 B2Bestway Oilfield, Inc.
- Valve for Use in a Vehicle Cooling Circuit as Well as Method and Tool for Producing such a Valve24 Sep 2026US 2026/0287068 A1Hanon Systems Efp Deutschland GmbH
- Unbalanced Pressure Activated Valve Seal Assembly10 Sep 2026US 2026/0266379 A1Force Pressure Control, LLC
- Dynamic Slab Gate Valves25 Jun 2026US 2026/0177149 A1Bestway Oilfield, Inc.
- Concentric Valve Skirts28 May 2026US 2026/0146675 A1Bestway Oilfield, Inc.
- Gate valve seats and seals, kits, and associated methods to enhance operating life of gate valves7 May 2026US 2026/0126117 A1ServicePlus LLC
Most cited
By later US patents
- Valve seat assembly57US 4,878,651 AWorldwide Oilfield Machine, Inc. · 1989
- Gate valve with improved secondary body to bushing seals48US 4,741,509 ACameron Iron Works, Inc. · 1988
- Wire cutting insert for gate valve42US 5,501,424 AFMC Corporation · 1996
- Gate valve improvement38US 5,201,872 ASuperior Oilfield Products, Inc. · 1993
- Gate valve having low-friction coating over substrate and method for making same38US 9,206,910 B2Vetco Gray Inc. · 2015