F16J 12/00
Pressure vessels in general
Official title: Pressure vessels in general (covers therefor F16J13/00; for particular applications, see the relevant subclasses, e.g. B01J, F17C, G21C)
F16J12/00 (Pressure vessels in general) appears on 204 US grants and 188 published applications in this corpus.
Search patents in F16J- Granted patents
- 204
- Published applications
- 188
- Assignees
- 158
- Inventors
- 489
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 4 |
| 2008 | 3 | 6 |
| 2009 | 1 | 3 |
| 2010 | 5 | 4 |
| 2011 | 2 | 13 |
| 2012 | 2 | 13 |
| 2013 | 14 | 18 |
| 2014 | 11 | 6 |
| 2015 | 9 | 10 |
| 2016 | 8 | 4 |
| 2017 | 4 | 9 |
| 2018 | 6 | 12 |
| 2019 | 7 | 13 |
| 2020 | 7 | 12 |
| 2021 | 17 | 13 |
| 2022 | 7 | 8 |
| 2023 | 10 | 7 |
| 2024 | 10 | 11 |
| 2025 | 8 | 9 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liner for pressure vessel and high-pressure gas storage tank19 May 2026US 12,630,680 B2Mitsubishi Gas Chemical Company, Inc.
- Pressure vessel and method for producing pressure vessel24 Mar 2026US 12,584,590 B2Mitsubishi Gas Chemical Company, Inc.
- High pressure gas container and production method therefor30 Sep 2025US 12,429,167 B2Jfe Steel Corporation
- Liner and pressure vessel23 Sep 2025US 12,422,096 B2Mitsubishi Gas Chemical Company, Inc.
- Method for manufacturing high-pressure tank and high-pressure tank20 May 2025US 12,304,160 B2Toyota Jidosha Kabushiki Kaisha
- Thermosetting resin composition, cured product of same, prepreg, fiber-reinforced composite material, and high-pressure gas container5 Feb 2026US 2026/0035557 A1Mitsubishi Gas Chemical Company, Inc.
- External pressure vessels, submersible vehicles comprising external pressure vessels, and methods for manufacturing external pressure vessels1 Jan 2026US 2026/0001634 A1The Boeing Company
- 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
- Fiber structure26 Jun 2025US 2025/0205992 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- High pressure vessel construction50US 4,699,288 AEDO Corporation, Fiber Science Division · 1987
- Metal-lined pressure vessel49US 5,287,988 ABrunswick Corporation · 1994
- Dynamic pressure relief seal for pressure vessels38US 5,121,852 AEssef Corporation · 1992
- Pressure vessel33US 4,778,073 A1988
- Pressure container manufacturing method31US 7,566,376 B2Fuji Jukogyo Kabushiki Kaisha · 2009