H01M 50/30
Arrangements for facilitating escape of gases
H01M50/30 (Arrangements for facilitating escape of gases) appears on 3,548 US grants and 6,845 published applications in this corpus.
Search patents in H01M- Granted patents
- 3,548
- Published applications
- 6,845
- Assignees
- 1,199
- Inventors
- 10,039
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 19 | 0 |
| 1978 | 32 | 0 |
| 1979 | 7 | 0 |
| 1980 | 21 | 0 |
| 1981 | 22 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 20 | 0 |
| 1985 | 12 | 0 |
| 1986 | 21 | 0 |
| 1987 | 17 | 0 |
| 1988 | 22 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 15 | 0 |
| 1992 | 17 | 0 |
| 1993 | 16 | 0 |
| 1994 | 18 | 0 |
| 1995 | 20 | 0 |
| 1996 | 32 | 0 |
| 1997 | 28 | 0 |
| 1998 | 35 | 0 |
| 1999 | 35 | 0 |
| 2000 | 36 | 0 |
| 2001 | 46 | 14 |
| 2002 | 45 | 47 |
| 2003 | 45 | 54 |
| 2004 | 31 | 47 |
| 2005 | 33 | 65 |
| 2006 | 23 | 58 |
| 2007 | 23 | 38 |
| 2008 | 26 | 73 |
| 2009 | 32 | 87 |
| 2010 | 57 | 100 |
| 2011 | 62 | 124 |
| 2012 | 58 | 169 |
| 2013 | 96 | 143 |
| 2014 | 100 | 159 |
| 2015 | 131 | 169 |
| 2016 | 102 | 152 |
| 2017 | 134 | 160 |
| 2018 | 127 | 155 |
| 2019 | 148 | 176 |
| 2020 | 156 | 199 |
| 2021 | 140 | 301 |
| 2022 | 180 | 460 |
| 2023 | 198 | 729 |
| 2024 | 319 | 1002 |
| 2025 | 331 | 1169 |
| 2026 | 394 | 995 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 50/342Non-re-sealable arrangements1,510
- H01M 50/317Re-sealable arrangements888
- H01M 50/35Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages715
- H01M 50/394Gas-pervious parts or elements538
- H01M 50/383Flame arresting or ignition-preventing means500
- H01M 50/308Detachable arrangements357
- H01M 50/375Vent means sensitive to or responsive to temperature230
- H01M 50/392With means for neutralising or absorbing electrolyte74
Recent patents
- High voltage cable routing for electrified vehicle6 Oct 2026US 12,752,140 B2Oshkosh Corporation
- Battery cell with reversible vent valve6 Oct 2026US 12,756,055 B2GM Global Technology Operations LLC
- Battery pack including a first battery module and a second battery module6 Oct 2026US 12,756,056 B2LG Energy Solution, Ltd.
- End cap, battery cell, battery, and power consuming device6 Oct 2026US 12,756,057 B2Contemporary Amperex Technology (Hong Kong) Limited
- Cylindrical secondary battery with cap assembly configured for deformation during gas discharge6 Oct 2026US 12,756,058 B2Samsung SDI.Co., Ltd.
- High voltage cable routing for electrified vehicle8 Oct 2026US 2026/0306888 A1Oshkosh Corporation
- Cylindrical Battery Cell, Battery Pack and Vehicle Including Same, and Collector Board8 Oct 2026US 2026/0307511 A1LG Energy Solution, Ltd.
- Method for Producing a Battery Cell and Battery Cell8 Oct 2026US 2026/0312137 A1Bayerische Motoren Werke Aktiengesellschaft
- Battery array designs for traction battery packs8 Oct 2026US 2026/0312176 A1Ford Global Technologies, LLC
- Battery pack8 Oct 2026US 2026/0312198 A1Samsung SDI.Co., Ltd.
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
- Battery having a built-in controller223US 6,074,775 AThe Procter & Gamble Company · 2000
- Computer with protective cover having outwardly projecting cushioning portions185US 5,583,742 AAlps Electric Co., Ltd. · 1996
- Multicell sealed rechargeable battery163US 4,346,151 AThe Gates Rubber Company · 1982