B29C 53/602
For tubular articles having closed or nearly closed ends
Official title: {for tubular articles having closed or nearly closed ends, e.g. vessels, tanks, containers}
B29C53/602 (For tubular articles having closed or nearly closed ends) appears on 216 US grants and 173 published applications in this corpus.
Search patents in B29C- Granted patents
- 216
- Published applications
- 173
- Assignees
- 116
- Inventors
- 377
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 3 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 5 |
| 2010 | 5 | 3 |
| 2011 | 2 | 2 |
| 2012 | 3 | 5 |
| 2013 | 2 | 11 |
| 2014 | 1 | 6 |
| 2015 | 11 | 13 |
| 2016 | 7 | 8 |
| 2017 | 6 | 4 |
| 2018 | 9 | 13 |
| 2019 | 9 | 10 |
| 2020 | 12 | 20 |
| 2021 | 12 | 15 |
| 2022 | 18 | 21 |
| 2023 | 18 | 13 |
| 2024 | 14 | 5 |
| 2025 | 6 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pressure vessel and method for producing pressure vessel24 Mar 2026US 12,584,590 B2Mitsubishi Gas Chemical Company, Inc.
- Transition method and system from helical winding to hoop winding of composite fibers12 Aug 2025US 12,384,095 B2Hefei University of Technology
- Device for stabilizing localized dome reinforcement5 Aug 2025US 12,377,616 B2Hexagon Technology AS
- Method for producing a composite cylindrical tank and composite tank produced by this method5 Aug 2025US 12,377,620 B2Covess N.V.
- Method for manufacturing high-pressure tank and high-pressure tank20 May 2025US 12,304,160 B2Toyota Jidosha Kabushiki Kaisha
- Filament winding apparatus11 Jun 2026US 2026/0159350 A1Toyota Jidosha Kabushiki Kaisha
- Method for manufacturing a tank for storing a fluid under pressure and tank thus obtained4 Dec 2025US 2025/0367857 A1
- Composite structures9 Oct 2025US 2025/0312976 A1Crompton Technology Group Limited
- New method for producing a composite tank and new composite tank produced by this method28 Aug 2025US 2025/0271104 A1
- Process for production of a sealed tank to contain a gas and/or a fluid8 May 2025US 2025/0146621 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Systems and methods for manufacturing a tubular structure119US 9,957,031 B2The Boeing Company · 2018
- Multiple axes fiber placement machine103US 6,096,164 AAlliant Techsystems Inc. · 2000
- Method of manufacturing an overwrapped pressure vessel86US 3,969,812 AMartin Marietta Corporation · 1976
- Pressure vessel having a filamentary wound structure65US 5,025,943 AABB Plast AB · 1991
- Thermoplastic liner for and method of overwrapping high pressure vessels55US 5,499,739 AAtlantic Research Corporation · 1996