F16K 5/0257
Packings
Official title: {Packings}
F16K5/0257 (Packings) appears on 74 US grants and 57 published applications in this corpus.
Search patents in F16K- Granted patents
- 74
- Published applications
- 57
- Assignees
- 47
- Inventors
- 126
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 5 |
| 2019 | 1 | 0 |
| 2020 | 5 | 7 |
| 2021 | 4 | 5 |
| 2022 | 5 | 8 |
| 2023 | 6 | 5 |
| 2024 | 2 | 4 |
| 2025 | 5 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bidirectional one piece metal seat for ball valve28 Apr 2026US 12,612,971 B2Bray International, Inc.
- Sealing high pressure flow devices27 Jan 2026US 12,535,143 B2Kerr Machine Co.
- Modular gland arrangements for a fluid end assembly12 Aug 2025US 12,385,397 B2Kerr Machine Co.
- Stopcock, plug for a stopcock, and method for producing a plug for a stopcock22 Jul 2025US 12,366,296 B2Olympus Winter & Ibe GmbH
- Sealing high pressure flow devices8 Apr 2025US 12,270,491 B2Kerr Machine Co.
- Sealing high pressure flow devices14 May 2026US 2026/0132856 A1Kerr Machine Co.
- Cartridge valve and associated cartridge valve assembly12 Mar 2026US 2026/0071686 A1Schrader
- Valve device12 Feb 2026US 2026/0043486 A1Nok Corporation
- Valve device22 Jan 2026US 2026/0022774 A1Nok Corporation
- Valve device22 Jan 2026US 2026/0022784 A1Nok Corporation
Most cited
By later US patents
- Modular gland arrangements for a fluid end assembly61US 10,519,950 B2Kerr Machine Co. · 2019
- Valve stem sealing means for prevention of fugitive emissions54US 5,178,363 AM&FC Holding, LLC · 1993
- Valve stem sealing means for prevention of fugitive emissions50US 5,129,624 AM&FC Holding, LLC · 1992
- Sealing high pressure flow devices46US 10,591,070 B2Kerr Machine Co. · 2020
- Modular gland arrangements for a fluid end assembly45US 10,914,171 B2Kerr Machine Co. · 2021