H01M 50/325
Comprising deformable valve members
Official title: comprising deformable valve members, e.g. elastic or flexible valve members
H01M50/325 (Comprising deformable valve members) appears on 556 US grants and 793 published applications in this corpus.
Search patents in H01M- Granted patents
- 556
- Published applications
- 793
- Assignees
- 327
- Inventors
- 1,993
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 15 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 4 |
| 2002 | 9 | 15 |
| 2003 | 13 | 6 |
| 2004 | 9 | 4 |
| 2005 | 6 | 14 |
| 2006 | 4 | 8 |
| 2007 | 4 | 8 |
| 2008 | 5 | 20 |
| 2009 | 5 | 14 |
| 2010 | 16 | 15 |
| 2011 | 12 | 15 |
| 2012 | 13 | 26 |
| 2013 | 10 | 17 |
| 2014 | 16 | 25 |
| 2015 | 18 | 17 |
| 2016 | 16 | 16 |
| 2017 | 16 | 17 |
| 2018 | 10 | 16 |
| 2019 | 17 | 20 |
| 2020 | 22 | 27 |
| 2021 | 12 | 37 |
| 2022 | 28 | 52 |
| 2023 | 24 | 92 |
| 2024 | 46 | 86 |
| 2025 | 44 | 121 |
| 2026 | 45 | 101 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Battery cell with reversible vent valve6 Oct 2026US 12,756,055 B2GM Global Technology Operations LLC
- Emergency degassing device6 Oct 2026US 12,756,059 B2Bodo Konzelmann KG
- Vehicle having automatic vent gas discharge doors6 Oct 2026US 12,756,061 B2Fca US LLC
- Battery pack including valve structure having valve member biased toward inner surface of pack case by biasing member29 Sep 2026US 12,749,762 B2Prime Planet Energy & Solutions, Inc.
- Method and apparatus for testing vent caps22 Sep 2026US 12,742,700 B2The Boeing Company
- Rechargeable battery, case for rechargeable battery, and manufacturing method case for rechargeable battery8 Oct 2026US 2026/0312218 A1Samsung SDI.Co., Ltd.
- Secondary Battery and Device Including the Same1 Oct 2026US 2026/0302504 A1LG Energy Solution, Ltd.
- Secondary battery and method for manufacturing secondary battery1 Oct 2026US 2026/0302575 A1Samsung SDI.Co., Ltd.
- On vehicle moisture purge system for battery enclosures24 Sep 2026US 2026/0290990 A1GM Global Technology Operations LLC
- Off vehicle moisture purge system for battery enclosures24 Sep 2026US 2026/0290991 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Orthopedic drive assembly1,581US 4,728,876 AMinnesota Mining and Manufacturing Company · 1988
- Vibration resistant electrochemical cell having deformed casing and method of making same392US 4,255,500 AGeneral Electric Company · 1981
- Multicell sealed rechargeable battery163US 4,346,151 AThe Gates Rubber Company · 1982
- High capacity secondary battery of jelly roll type118US 5,849,431 ASony Corporation · 1998
- Rechargeable battery101US 4,996,128 ANova Manufacturing, Inc. · 1991