F16J 13/02
Detachable closure members
Official title: Detachable closure members; Means for tightening closures (F16J13/16, F16J13/22 take precedence)
F16J13/02 (Detachable closure members) appears on 394 US grants and 266 published applications in this corpus.
Search patents in F16J- Granted patents
- 394
- Published applications
- 266
- Assignees
- 288
- Inventors
- 769
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 2 |
| 2003 | 2 | 6 |
| 2004 | 5 | 7 |
| 2005 | 5 | 7 |
| 2006 | 5 | 5 |
| 2007 | 2 | 10 |
| 2008 | 4 | 9 |
| 2009 | 5 | 6 |
| 2010 | 5 | 14 |
| 2011 | 7 | 12 |
| 2012 | 10 | 15 |
| 2013 | 10 | 15 |
| 2014 | 14 | 10 |
| 2015 | 17 | 20 |
| 2016 | 15 | 16 |
| 2017 | 10 | 11 |
| 2018 | 12 | 10 |
| 2019 | 9 | 18 |
| 2020 | 11 | 16 |
| 2021 | 15 | 10 |
| 2022 | 9 | 12 |
| 2023 | 14 | 12 |
| 2024 | 10 | 13 |
| 2025 | 16 | 7 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16J 13/12Attached by wedging action by means of screw-thread, interrupted screw-thread, bayonet closure115
- F16J 13/08Attached by one or more members actuated to project behind a part85
- F16J 13/06Attached only by clamps along the circumference69
- F16J 13/14Attached exclusively by spring action or elastic action45
- F16J 13/10Attached by means of a divided ring35
- F16J 13/04Attached with a bridge member12
Recent patents
- Deformable sealing plug and process for plugging a cavity using such a sealing plug25 Aug 2026US 12,716,491 B2Airbus Operations GmbH
- Sealing plug14 Jul 2026US 12,679,472 B2Illinois Tool Works Inc.
- Hydraulic port protection plugs for shock absorbers28 Apr 2026US 12,612,953 B2Advanced Suspension Technology LLC
- Self-locking plug3 Feb 2026US 12,540,673 B2Vulcan Industrial Holdings, LLC
- Gas insulation apparatus27 Jan 2026US 12,537,368 B2Mitsubishi Electric Corporation
- Locking device, pressure container and locking method25 Jun 2026US 2026/0177145 A1Tokyo Electron Limited
- Fitting for through-wall penetration of a composite vessel26 Mar 2026US 2026/0085752 A1Parker-Hannifin Corporation
- Anti-cross-threading thread configuration1 Jan 2026US 2026/0001685 A1Runway Blue, LLC
- Tight connection device for the transfer of objects including a stub end provided with a release lug6 Nov 2025US 2025/0341254 A1Getinge Life Science France
- Closure adapter30 Oct 2025US 2025/0334214 A1National Oilwell Varco, L. P.
Most cited
By later US patents
- Lid closure system99US 6,401,958 B13L Filters Ltd. · 2002
- Locking ring actuator for a pressure retaining closure71US 7,896,187 B2Sypris Technologies, Inc. · 2011
- Remotely operable vessel cover positioner65US 5,221,019 AHahn & Clay · 1993
- Method and apparatus for gas cylinder sealing56US 8,925,756 B2Coravin, Inc. · 2015
- Safety clamping system for pressure vessel closures and the like42US 4,157,146 A1979