H01M 50/691
Arrangements or processes for draining liquids from casings
Official title: Arrangements or processes for draining liquids from casings; Cleaning battery or cell casings
H01M50/691 (Arrangements or processes for draining liquids from casings) appears on 119 US grants and 228 published applications in this corpus.
Search patents in H01M- Granted patents
- 119
- Published applications
- 228
- Assignees
- 103
- Inventors
- 620
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 6 |
| 2015 | 2 | 6 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 4 | 12 |
| 2019 | 7 | 6 |
| 2020 | 11 | 9 |
| 2021 | 7 | 11 |
| 2022 | 7 | 20 |
| 2023 | 11 | 28 |
| 2024 | 18 | 29 |
| 2025 | 9 | 50 |
| 2026 | 16 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Battery module having discharge structure and battery pack including the same15 Sep 2026US 12,738,616 B2LG Energy Solution, Ltd.
- Battery, power consuming apparatus, and method and apparatus for manufacturing battery25 Aug 2026US 12,719,123 B2Contemporary Amperex Technology (Hong Kong) Limited
- Heating tray for vacuum hopper precharger25 Aug 2026US 12,720,645 B2Samsung Mechatronics Co., Ltd
- Drain valve for battery box, battery, electric apparatus, and drainage method11 Aug 2026US 12,706,359 B2Contemporary Amperex Technology Co., Limited
- Apparatus and method for removing residual electrolyte from a secondary battery21 Jul 2026US 12,689,105 B2Samsung SDI.Co., Ltd.
- Container module1 Oct 2026US 2026/0302577 A1LG Energy Solution, Ltd.
- Battery assembly1 Oct 2026US 2026/0302578 A1SK On Co., Ltd.
- Energy-Storage Device with Drainage System24 Sep 2026US 2026/0291042 A1Bayerische Motoren Werke Aktiengesellschaft
- Method and apparatus for removing fluid from battery case24 Sep 2026US 2026/0291043 A1Samsung SDI.Co., Ltd.
- Battery package17 Sep 2026US 2026/0279970 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Refuelable electrochemical power source capable of being maintained in a substantially constant full condition and method of using the same81US 6,296,958 B1Metallic Power, Inc. · 2001
- Apparatus for dumping and collecting corrosive substances from automotive batteries27US 4,221,523 AGeneral Battery Corporation · 1980
- Refuelable electrochemical power source capable of being maintained in a substantially constant full condition and method of using the same26US 6,706,433 B22004
- System and method for processing an end-of-life or reduced performance energy storage and/or conversion device using a supercritical fluid20US 8,067,107 B2Eco-Bat Indiana, LLC · 2011
- Electrolyte starved metal-air battery19US 5,716,726 ADreisbach Electromotive, Inc. · 1998