H01M 50/609
Arrangements or processes for filling with liquid
Official title: Arrangements or processes for filling with liquid, e.g. electrolytes
H01M50/609 (Arrangements or processes for filling with liquid) appears on 917 US grants and 1,743 published applications in this corpus.
Search patents in H01M- Granted patents
- 917
- Published applications
- 1,743
- Assignees
- 480
- Inventors
- 3,453
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 7 |
| 2002 | 15 | 20 |
| 2003 | 12 | 15 |
| 2004 | 14 | 21 |
| 2005 | 7 | 22 |
| 2006 | 9 | 32 |
| 2007 | 6 | 15 |
| 2008 | 8 | 16 |
| 2009 | 8 | 18 |
| 2010 | 20 | 31 |
| 2011 | 18 | 36 |
| 2012 | 18 | 31 |
| 2013 | 26 | 33 |
| 2014 | 23 | 55 |
| 2015 | 29 | 49 |
| 2016 | 25 | 41 |
| 2017 | 48 | 47 |
| 2018 | 41 | 41 |
| 2019 | 42 | 46 |
| 2020 | 46 | 47 |
| 2021 | 36 | 63 |
| 2022 | 50 | 111 |
| 2023 | 33 | 151 |
| 2024 | 80 | 232 |
| 2025 | 91 | 313 |
| 2026 | 90 | 250 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Secondary battery and battery module6 Oct 2026US 12,756,038 B2SK On Co., Ltd.
- Battery cell, battery, and power consuming device6 Oct 2026US 12,756,078 B2Contemporary Amperex Technology Co., Limited
- Lithium secondary battery into which electrolytic solution can be additionally injected6 Oct 2026US 12,756,079 B2LG Energy Solution, Ltd.
- Battery rack, power storage device, and power generation system29 Sep 2026US 12,749,763 B2LG Energy Solution, Ltd.
- Liquid injection device29 Sep 2026US 12,749,783 B2Contemporary Amperex Technology (Hong Kong) Limited
- Method for Producing a Battery Cell and Battery Cell8 Oct 2026US 2026/0312137 A1Bayerische Motoren Werke Aktiengesellschaft
- Battery cell8 Oct 2026US 2026/0312266 A1Toyota Jidosha Kabushiki Kaisha
- Method of manufacturing electrical energy storage device8 Oct 2026US 2026/0312267 A1Prime Planet Energy & Solutions, Inc.
- Battery module1 Oct 2026US 2026/0302320 A1Honda Motor Co., Ltd.
- Apparatus and method for manufacturing secondary battery1 Oct 2026US 2026/0302370 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Elongate battery for implantable medical device210US 8,541,131 B2Medtronic, Inc. · 2013
- Method of producing high surface area metal oxynitrides as substrates in electrical energy storage120US 5,980,977 APinnacle Research Institute, Inc. · 1999
- Energy storage device and its methods of manufacture107US 5,711,988 APinnacle Research Institute, Inc. · 1998
- Energy storage device97US 5,867,363 APinnacle Research Institute, Inc. · 1999
- Hermetic seal for an electrochemical cell88US 5,776,632 AWilson Greatbatch Ltd. · 1998