H01M 50/308
Detachable arrangements
Official title: Detachable arrangements, e.g. detachable vent plugs or plug systems
H01M50/308 (Detachable arrangements) appears on 357 US grants and 479 published applications in this corpus.
Search patents in H01M- Granted patents
- 357
- Published applications
- 479
- Assignees
- 209
- Inventors
- 1,038
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 13 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 3 |
| 2002 | 7 | 11 |
| 2003 | 5 | 4 |
| 2004 | 8 | 8 |
| 2005 | 3 | 5 |
| 2006 | 4 | 4 |
| 2007 | 1 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 5 |
| 2010 | 1 | 4 |
| 2011 | 6 | 10 |
| 2012 | 1 | 13 |
| 2013 | 8 | 20 |
| 2014 | 5 | 11 |
| 2015 | 11 | 30 |
| 2016 | 13 | 24 |
| 2017 | 28 | 14 |
| 2018 | 14 | 12 |
| 2019 | 13 | 13 |
| 2020 | 21 | 16 |
| 2021 | 13 | 27 |
| 2022 | 14 | 31 |
| 2023 | 18 | 56 |
| 2024 | 26 | 50 |
| 2025 | 21 | 82 |
| 2026 | 23 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Secondary battery17 Sep 2026US 2026/0279980 A1Samsung SDI.Co., Ltd.
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Most cited
By later US patents
- Sealing means and sealing valve for container openings76US 5,388,615 ABusak + Luyken GmbH & Co. · 1995
- Battery venting system and method62US 5,856,037 AAeroVironment, Inc. · 1999
- Battery vent mechanism and method58US 6,025,086 AOptima Batteries, Inc. · 2000
- Flooded lead acid battery with roll-over capability53US 6,110,617 AExide Corporation · 2000
- Selectable capacity fixed footprint lead-acid battery racking system with horizontal plates50US 6,475,659 B1C&D Charter Holdings, Inc. · 2002