B29L 2031/7156
Pressure vessels
Official title: {Pressure vessels}
B29L2031/7156 (Pressure vessels) appears on 290 US grants and 336 published applications in this corpus.
Search patents in B29L- Granted patents
- 290
- Published applications
- 336
- Assignees
- 206
- Inventors
- 717
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 4 |
| 2003 | 7 | 3 |
| 2004 | 3 | 6 |
| 2005 | 1 | 6 |
| 2006 | 4 | 3 |
| 2007 | 0 | 2 |
| 2008 | 3 | 8 |
| 2009 | 0 | 7 |
| 2010 | 3 | 6 |
| 2011 | 5 | 10 |
| 2012 | 3 | 7 |
| 2013 | 4 | 6 |
| 2014 | 4 | 11 |
| 2015 | 8 | 16 |
| 2016 | 4 | 16 |
| 2017 | 7 | 13 |
| 2018 | 12 | 20 |
| 2019 | 15 | 17 |
| 2020 | 16 | 23 |
| 2021 | 19 | 35 |
| 2022 | 36 | 32 |
| 2023 | 24 | 21 |
| 2024 | 18 | 23 |
| 2025 | 16 | 27 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for winding filament and pressure vessel manufactured thereby22 Sep 2026US 12,741,431 B2Iljin Hysolus Co., Ltd.
- Composite pressure hull and methods of forming15 Sep 2026US 12,734,768 B2The Boeing Company
- Fiber structure14 Jul 2026US 12,679,048 B2Kabushiki Kaisha Toyota Jidoshokki
- Liner for pressure vessel and high-pressure gas storage tank19 May 2026US 12,630,680 B2Mitsubishi Gas Chemical Company, Inc.
- Filament winding device and filament winding method21 Apr 2026US 12,605,907 B2Honda Motor Co., Ltd.
- Spreader device for maintaining the shape of the plastic liner in non-circular cross section cylinders during winding with composite material and method of using such device24 Sep 2026US 2026/0284983 A1Carbon Cylinder S.R.L.
- Method for manufacturing pressure vessel configured to store fluid17 Sep 2026US 2026/0273870 A1Toyota Jidosha Kabushiki Kaisha
- Manufacturing device and manufacturing method for pressure tank27 Aug 2026US 2026/0249544 A1Toyota Jidosha Kabushiki Kaisha
- Manufacturing method of tank13 Aug 2026US 2026/0233445 A1Toyota Jidosha Kabushiki Kaisha
- Manufacturing device for high-pressure tank9 Jul 2026US 2026/0192531 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Coding systems118US 6,390,368 B1Aquasol Limited · 2002
- Integrally-reinforced braided tubular structure and method of producing the same112US 6,510,961 B1A&P Technology, Inc. · 2003
- Method of manufacturing an overwrapped pressure vessel86US 3,969,812 AMartin Marietta Corporation · 1976
- Thermoplastic seam welds69US 6,284,089 B1The Boeing Company · 2001
- Pressure vessel having a filamentary wound structure65US 5,025,943 AABB Plast AB · 1991