H01M 50/394
Gas-pervious parts or elements
Official title: {Gas-pervious parts or elements}
H01M50/394 (Gas-pervious parts or elements) appears on 538 US grants and 974 published applications in this corpus.
Search patents in H01M- Granted patents
- 538
- Published applications
- 974
- Assignees
- 301
- Inventors
- 2,099
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 6 |
| 2003 | 4 | 10 |
| 2004 | 4 | 3 |
| 2005 | 5 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 12 |
| 2012 | 1 | 10 |
| 2013 | 6 | 18 |
| 2014 | 7 | 15 |
| 2015 | 10 | 20 |
| 2016 | 13 | 28 |
| 2017 | 19 | 34 |
| 2018 | 22 | 28 |
| 2019 | 20 | 30 |
| 2020 | 35 | 45 |
| 2021 | 30 | 70 |
| 2022 | 36 | 69 |
| 2023 | 39 | 127 |
| 2024 | 61 | 139 |
| 2025 | 46 | 132 |
| 2026 | 60 | 163 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Battery cell, battery, power consumption device, and manufacturing method for battery cell15 Sep 2026US 12,738,581 B2Contemporary Amperex Technology (Hong Kong) Limited
- Battery module, battery pack having the same, and manufacturing method of battery module15 Sep 2026US 12,738,604 B2SK On Co., Ltd.
- Electrolyte reinjection method and electrolyte-reinjectable secondary battery15 Sep 2026US 12,738,615 B2LG Energy Solution, Ltd.
- Valve structure for power storage device and power storage device8 Sep 2026US 12,731,854 B2Dai Nippon Printing Co.Ltd.
- Protective housing for batteries1 Sep 2026US 12,725,879 B2Eco-Research
- Energy saving module and energy saving system including the same8 Oct 2026US 2026/0312199 A1Samsung SDI.Co., Ltd.
- Electrical energy storage pack8 Oct 2026US 2026/0312202 A1Prime Planet Energy & Solutions, Inc.
- Battery pack and pack case8 Oct 2026US 2026/0312211 A1LG Energy Solution, Ltd.
- Battery module having venting hole to be open by separation of fire-resistant coating layer8 Oct 2026US 2026/0312225 A1LG Energy Solution, Ltd.
- Electricity storage pack8 Oct 2026US 2026/0312229 A1Prime Planet Energy & Solutions, Inc.
Most cited
By later US patents
- Computer with protective cover having outwardly projecting cushioning portions185US 5,583,742 AAlps Electric Co., Ltd. · 1996
- Electrical component package140US 4,992,910 AThe Evans Findings Company, Inc. · 1991
- Monoblock battery assembly84US 6,255,015 B1Ovonic Battery Company, Inc. · 2001
- Diffusion vent for a rechargeable metal-air cell78US 5,362,577 AAER Energy Resources, Inc. · 1994
- Sealing means and sealing valve for container openings76US 5,388,615 ABusak + Luyken GmbH & Co. · 1995