B65D 49/02
One-way valves
B65D49/02 (One-way valves) appears on 110 US grants and 97 published applications in this corpus.
Search patents in B65D- Granted patents
- 110
- Published applications
- 97
- Assignees
- 75
- Inventors
- 212
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 3 |
| 2004 | 0 | 2 |
| 2005 | 3 | 4 |
| 2006 | 3 | 6 |
| 2007 | 1 | 6 |
| 2008 | 1 | 6 |
| 2009 | 1 | 4 |
| 2010 | 2 | 2 |
| 2011 | 3 | 3 |
| 2012 | 2 | 2 |
| 2013 | 4 | 3 |
| 2014 | 2 | 9 |
| 2015 | 9 | 5 |
| 2016 | 2 | 3 |
| 2017 | 4 | 3 |
| 2018 | 1 | 5 |
| 2019 | 6 | 3 |
| 2020 | 7 | 5 |
| 2021 | 3 | 4 |
| 2022 | 1 | 2 |
| 2023 | 3 | 5 |
| 2024 | 4 | 6 |
| 2025 | 4 | 5 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid storage container15 Sep 2026US 12,734,813 B2Canon Kabushiki Kaisha
- Valve for pourer11 Aug 2026US 12,703,550 B2Torrent Innova, S.L.
- Element for an aerosol-generating system comprising disabling mechanism14 Jul 2026US 12,677,881 B2Altria Client Services LLC
- Preforms for flair applications7 Jul 2026US 12,673,448 B2
- Pilferproof cap assembly for a container14 Apr 2026US 12,600,529 B2Reliance Bp Mobility Limited
- Closure for a container for liquids23 Jul 2026US 2026/0208923 A1Guala Closures S.p. A.
- Pourer and product25 Sep 2025US 2025/0296746 A1Serve Sterile Idiotiki Kefalaiouchiki Etaireia
- Preforms for flair applications26 Jun 2025US 2025/0205929 A1Dispensing Technologies B.V.
- Liquid storage container20 Mar 2025US 2025/0091355 A1Canon Kabushiki Kaisha
- Fluid storage and dispensing container and lid for fluid storage and dispensing container20 Mar 2025US 2025/0091774 A1Mekyat Pesquisa E Desenvolvimento Tecnologico LTDA
Most cited
By later US patents
- Metered liquid dispenser with lift fill mechanism52US 5,967,377 APrimary Delivery Systems, Inc. · 1999
- Back-flow preventing bag valve for bag-in-box container41US 5,445,186 AThe Coca-Cola Company · 1995
- Pouring spout with refill prevention device41US 5,924,606 AHoytink Holding B.V. · 1999
- Non-refilling devices39US 5,971,179 ADaniel Montgomery & Son Limited · 1999
- One way stopper plug for bottles36US 4,411,369 A1983