H01M 50/3425
In the form of rupturable membranes or weakened parts
Official title: {in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member}
H01M50/3425 (In the form of rupturable membranes or weakened parts) appears on 1,171 US grants and 2,780 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,171
- Published applications
- 2,780
- Assignees
- 500
- Inventors
- 4,397
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 15 | 0 |
| 2001 | 24 | 4 |
| 2002 | 16 | 12 |
| 2003 | 18 | 17 |
| 2004 | 8 | 14 |
| 2005 | 8 | 20 |
| 2006 | 6 | 22 |
| 2007 | 7 | 17 |
| 2008 | 6 | 23 |
| 2009 | 15 | 30 |
| 2010 | 20 | 50 |
| 2011 | 19 | 60 |
| 2012 | 24 | 52 |
| 2013 | 39 | 42 |
| 2014 | 42 | 60 |
| 2015 | 44 | 54 |
| 2016 | 30 | 58 |
| 2017 | 49 | 62 |
| 2018 | 41 | 43 |
| 2019 | 52 | 49 |
| 2020 | 53 | 66 |
| 2021 | 41 | 102 |
| 2022 | 56 | 156 |
| 2023 | 62 | 281 |
| 2024 | 111 | 422 |
| 2025 | 125 | 556 |
| 2026 | 136 | 508 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cylindrical secondary battery with cap assembly configured for deformation during gas discharge6 Oct 2026US 12,756,058 B2Samsung SDI.Co., Ltd.
- Emergency degassing device6 Oct 2026US 12,756,059 B2Bodo Konzelmann KG
- Battery module6 Oct 2026US D1,151,431 S1Flyer Next, LLC · Design
- Battery module, and battery pack and vehicle comprising same22 Sep 2026US 12,744,278 B2LG Energy Solution, Ltd.
- Secondary battery22 Sep 2026US 12,744,291 B2Samsung SDI.Co., Ltd.
- Cylindrical Battery Cell, Battery Pack and Vehicle Including Same, and Collector Board8 Oct 2026US 2026/0307511 A1LG Energy Solution, Ltd.
- Battery pack8 Oct 2026US 2026/0312198 A1Samsung SDI.Co., Ltd.
- Rechargeable battery and battery module8 Oct 2026US 2026/0312219 A1Samsung SDI.Co., Ltd.
- Battery module, battery pack and vehicle including the same8 Oct 2026US 2026/0312220 A1LG Energy Solution, Ltd.
- Battery cell, battery, and electric device8 Oct 2026US 2026/0312222 A1Contemporary Amperex Technology Co., Limited
Most cited
By later US patents
- Non-aqueous secondary cell80US 5,567,539 AFuji Photo Film Co., Ltd. · 1996
- Overcharge protection battery vent77US 5,741,606 APolyStor Corporation · 1998
- Cell cap assembly having frangible tab disconnect mechanism64US 5,609,972 APolyStor Corporation · 1997
- Current interrupter for electrochemical cells61US 5,691,073 ADuracell Inc. · 1997
- Safety device for use in secondary battery53US 5,766,793 AWako Electronics Co., Ltd. · 1998