B65D 90/44
By use of inert gas for filling space above liquid or between
Official title: by use of inert gas for filling space above liquid or between contents
B65D90/44 (By use of inert gas for filling space above liquid or between) appears on 40 US grants and 30 published applications in this corpus.
Search patents in B65D- Granted patents
- 40
- Published applications
- 30
- Assignees
- 26
- Inventors
- 72
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 5 |
| 2019 | 0 | 4 |
| 2020 | 5 | 3 |
| 2021 | 3 | 3 |
| 2022 | 2 | 0 |
| 2023 | 1 | 4 |
| 2024 | 3 | 1 |
| 2025 | 1 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Telescopic ventilation pipeline device for coal storage silo10 Mar 2026US 12,570,462 B2Huaneng Power International, Inc. Shanghai Shidongkou First Power Plant
- Systems, methods and apparatus for safe launch and recovery of an inspection vehicle28 Jan 2025US 12,209,974 B2Square Robot, Inc.
- Method and apparatus for launching and recovering a remote inspection device while suppressing volatile vapor with foam18 Jun 2024US 12,011,626 B2Phillips 66 Company
- Method and apparatus for launching and recovering a remote inspection device from a volatile fluid storage tank19 Mar 2024US 11,931,612 B2Phillips 66 Company
- Systems, methods and apparatus for safe launch and recovery of an inspection vehicle29 May 2025US 2025/0172506 A1Square Robot, Inc.
- Gas Inlet Assembly for Oil Tanks8 Aug 2024US 2024/0262616 A1GBA Marine AS
- Telescopic ventilation pipeline device for coal storage eurosilo30 Nov 2023US 2023/0382634 A1Huaneng Power International, Inc. Shanghai Shidongkou First Power Plant
- Systems, methods and apparatus for safe launch and recovery of an inspection vehicle8 Jun 2023US 2023/0173551 A1Square Robot, Inc.
- Method and apparatus for launching and recovering a remote inspection device1 Jun 2023US 2023/0166146 A1Phillips 66 Company
Most cited
By later US patents
- Long term storage apparatus43US 4,066,401 A1978
- Fuel tank having ballistic protection bladder41US 4,925,057 AThe Boeing Company · 1990
- Flow control for on-board inert gas generation system37US 7,509,968 B2Hamilton Sundstrand Corporation · 2009
- Reflective sign21US 5,442,870 A1995
- Fuel tank safety system15US 6,843,269 B22005