B65D 2590/542
Special sealing means or means for improving sealing
Official title: special sealing means or means for improving sealing
B65D2590/542 (Special sealing means or means for improving sealing) appears on 26 US grants and 26 published applications in this corpus.
Search patents in B65D- Granted patents
- 26
- Published applications
- 26
- Assignees
- 22
- Inventors
- 50
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Storage tank isolation system24 Mar 2026US 12,583,667 B2
- Method and system for replacing the fixed roof of a storage tank1 Apr 2025US 12,264,495 B1Petroleo Brasileiro S.A. - Petrobras
- Storage tank isolation system6 Aug 2024US 12,054,337 B2
- Aircraft water tank and method for manufacturing same4 Oct 2022US 11,459,169 B2The Yokohama Rubber Co., Ltd.
- Sliding—locking below liquid manway door13 Apr 2021US 10,974,894 B2Spokane Industries
- Container provided with sealing member for door24 Sep 2026US 2026/0285587 A1Kdu Co., Ltd.
- Sampler assembly for a fluid container, corresponding fluid container assembly and associated methods10 Sep 2026US 2026/0264978 A19387-6670 Québec Inc.
- Removable tank portal cover4 Dec 2025US 2025/0368430 A1
- Transport container having a clamping disc14 Aug 2025US 2025/0256901 A1
- Method and system for replacing the fixed roof of a storage tank3 Jul 2025US 2025/0215720 A1Petroleo Brasileiro S.A. - Petrobras
Most cited
By later US patents
- Combination transportable container and dispensing receiver23US 3,971,493 A1976
- Valve assembly14US 5,642,751 A1997
- Valve for abrasive mixtures12US 4,505,292 AClaudius Peters AG · 1985
- Apparatus for discharging flowable material having a closure and an obturating device11US 5,775,544 AMatcon Limited · 1998
- Air tight storage silo7US 4,957,221 ACMI Corporation · 1990