F16J 15/166
With means to prevent the extrusion of the packing
Official title: {with means to prevent the extrusion of the packing}
F16J15/166 (With means to prevent the extrusion of the packing) appears on 292 US grants and 218 published applications in this corpus.
Search patents in F16J- Granted patents
- 292
- Published applications
- 218
- Assignees
- 187
- Inventors
- 583
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 9 | 0 |
| 1978 | 3 | 0 |
| 1979 | 10 | 0 |
| 1980 | 9 | 0 |
| 1981 | 11 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 13 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 2 |
| 2002 | 8 | 2 |
| 2003 | 2 | 5 |
| 2004 | 4 | 6 |
| 2005 | 3 | 4 |
| 2006 | 2 | 8 |
| 2007 | 1 | 8 |
| 2008 | 2 | 5 |
| 2009 | 4 | 8 |
| 2010 | 5 | 9 |
| 2011 | 9 | 9 |
| 2012 | 6 | 8 |
| 2013 | 3 | 10 |
| 2014 | 7 | 10 |
| 2015 | 4 | 8 |
| 2016 | 12 | 11 |
| 2017 | 9 | 11 |
| 2018 | 9 | 11 |
| 2019 | 15 | 16 |
| 2020 | 6 | 14 |
| 2021 | 11 | 7 |
| 2022 | 10 | 8 |
| 2023 | 7 | 13 |
| 2024 | 8 | 8 |
| 2025 | 12 | 10 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sealing device and back-up ring25 Aug 2026US 12,716,494 B2Nok Corporation
- Fluid end with clamped retention25 Aug 2026US 12,716,495 B2Kerr Machine Co.
- Sealing apparatus9 Jun 2026US 12,649,848 B2Nok Corporation
- Seal for high pressure water jets12 May 2026US 12,624,761 B2Bc Taechang Industrial Corp.
- Metal end cap seal31 Mar 2026US 12,590,635 B2Schlumberger Technology Corporation
- High pressure liquid-jet seal assembly carriage27 Aug 2026US 2026/0249434 A1Hypertherm, Inc.
- Metal end cap seal20 Aug 2026US 2026/0243348 A1Schlumberger Technology Corporation
- Seal structure and backup member13 Aug 2026US 2026/0235206 A1Valqua, Ltd.
- Lip seals and related methods16 Jul 2026US 2026/0201953 A1Bal Seal Engineering, Inc.
- Dual-Component Ring Seal for Gland of Hydraulic Piston11 Jun 2026US 2026/0160331 A1Specialized Seal Design and Distribution, Inc.
Most cited
By later US patents
- Anti-extrusion back-up ring assembly143US 4,576,386 AW. S. Shamban & Company · 1986
- Non-extruding inflatable packer assembly109US 4,349,204 ALynes, Inc. · 1982
- Extrusion resistant hydrodynamically lubricated multiple modulus rotary shaft seal99US 5,738,358 AKalsi Engineering, Inc. · 1998
- Anti-extrusion seals and packings85US 4,219,204 AUtex Industries, Inc. · 1980
- Zero clearance anti-extrusion rings for containment of PTFE packing77US 5,131,666 AFisher Controls International LLC · 1992