H01M 10/52
Removing gases inside the secondary cell
Official title: Removing gases inside the secondary cell, e.g. by absorption (vent plugs or other mechanical arrangements for facilitating escape of gases H01M50/30)
H01M10/52 (Removing gases inside the secondary cell) appears on 417 US grants and 476 published applications in this corpus.
Search patents in H01M- Granted patents
- 417
- Published applications
- 476
- Assignees
- 289
- Inventors
- 1,467
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 9 |
| 2002 | 7 | 6 |
| 2003 | 8 | 11 |
| 2004 | 13 | 10 |
| 2005 | 7 | 13 |
| 2006 | 5 | 5 |
| 2007 | 2 | 4 |
| 2008 | 1 | 4 |
| 2009 | 2 | 8 |
| 2010 | 5 | 15 |
| 2011 | 3 | 5 |
| 2012 | 6 | 14 |
| 2013 | 10 | 20 |
| 2014 | 13 | 15 |
| 2015 | 17 | 14 |
| 2016 | 7 | 17 |
| 2017 | 11 | 14 |
| 2018 | 12 | 25 |
| 2019 | 17 | 25 |
| 2020 | 17 | 27 |
| 2021 | 26 | 21 |
| 2022 | 23 | 26 |
| 2023 | 18 | 41 |
| 2024 | 20 | 44 |
| 2025 | 14 | 50 |
| 2026 | 13 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for a battery cell with an oxygen gas scavenger29 Sep 2026US 12,749,701 B2GM Global Technology Operations LLC
- Secondary battery assembly and secondary battery assembly module having same15 Sep 2026US 12,738,589 B2SK On Co., Ltd.
- Pouch type all-solid-state lithium secondary battery and method for producing the same4 Aug 2026US 12,700,616 B2Korea Basic Science Institute
- Energy storage device16 Jun 2026US 12,658,490 B2Blue Energy Co., Ltd.
- Battery gas treatment9 Jun 2026US 12,651,760 B2Ford Global Technologies, LLC
- Gas adsorption sheet for secondary battery with cover film24 Sep 2026US 2026/0284568 A1Nitto Denko Corporation
- Improved flooded battery cells24 Sep 2026US 2026/0290924 A1Philadelphia Scientific LLC
- 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
- Degassing Device and Degassing Method10 Sep 2026US 2026/0269348 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Trade-in battery system126US 6,940,254 B2Sony Corporation · 2005
- Bipolar electrochmeical battery of stacked wafer cells103US 5,393,617 AElectro Energy, Inc. · 1995
- Three dimensional free form battery apparatus89US 6,224,995 B1Mitsubishi Chemical Corporation · 2001
- Sealed rechargeable cells containing mercury-free zinc anodes, and a method of manufacture78US 5,626,988 ABattery Technologies Inc. · 1997
- Metal-air cell and power system using metal-air cells74US 5,415,949 AVoltek, Inc. · 1995