F16K 3/243
Packings
Official title: {Packings (F16K3/246 takes precedence)}
F16K3/243 (Packings) appears on 132 US grants and 119 published applications in this corpus.
Search patents in F16K- Granted patents
- 132
- Published applications
- 119
- Assignees
- 82
- Inventors
- 211
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 4 |
| 2005 | 4 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 7 |
| 2015 | 4 | 5 |
| 2016 | 8 | 0 |
| 2017 | 4 | 2 |
| 2018 | 3 | 12 |
| 2019 | 9 | 15 |
| 2020 | 6 | 9 |
| 2021 | 12 | 8 |
| 2022 | 4 | 9 |
| 2023 | 8 | 11 |
| 2024 | 8 | 6 |
| 2025 | 11 | 7 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Packing system of a valve assembly25 Aug 2026US 12,716,521 B2Fisher Controls International LLC
- Vibration reducing device25 Aug 2026US 12,716,522 B2FMC Technologies, Inc.
- Fluid valve23 Jun 2026US 12,663,088 B2Wath Group Limited
- Pressure-balanced valve with improved sealing properties26 May 2026US 12,638,085 B2Buti Research S.r.L.
- Flow control valve with erosion protection5 May 2026US 12,618,478 B2Schlumberger Technology Corporation
- Vibration reducing device21 May 2026US 2026/0139763 A1FMC Technologies, Inc.
- Choke valve insert with seal assembly7 May 2026US 2026/0126123 A1FMC Technologies, Inc.
- Fluid on-off control structure and air polishing dental apparatus23 Apr 2026US 2026/0108325 A1Guilin Woodpecker Medical Instrument Co., Ltd.
- Valve Assemblies For High-Temperature Wells12 Feb 2026US 2026/0043309 A1NCS Multistage Inc.
- Valve with valve insert comprising two cylinders12 Feb 2026US 2026/0043481 A1
Most cited
By later US patents
- Sleeve valve for controlling fluid flow between a hydrocarbon reservoir and tubing in a well and method for the assembly of a sleeve valve87US 6,951,331 B2Triangle Equipment AS · 2005
- Water balloon filling valve82US 5,439,199 AThe National Latex Products Company · 1995
- Modular gland arrangements for a fluid end assembly61US 10,519,950 B2Kerr Machine Co. · 2019
- Modular gland arrangements for a fluid end assembly45US 10,914,171 B2Kerr Machine Co. · 2021
- Valve with self-cleaning trim44US 6,637,452 B1Fisher Controls International LLC · 2003