H01M 50/636
Closing or sealing filling ports
Official title: Closing or sealing filling ports, e.g. using lids
H01M50/636 (Closing or sealing filling ports) appears on 308 US grants and 642 published applications in this corpus.
Search patents in H01M- Granted patents
- 308
- Published applications
- 642
- Assignees
- 189
- Inventors
- 1,389
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 7 |
| 2003 | 2 | 3 |
| 2004 | 3 | 6 |
| 2005 | 1 | 8 |
| 2006 | 1 | 13 |
| 2007 | 2 | 7 |
| 2008 | 3 | 7 |
| 2009 | 4 | 5 |
| 2010 | 11 | 8 |
| 2011 | 7 | 12 |
| 2012 | 6 | 15 |
| 2013 | 6 | 13 |
| 2014 | 11 | 17 |
| 2015 | 11 | 18 |
| 2016 | 11 | 12 |
| 2017 | 14 | 14 |
| 2018 | 15 | 18 |
| 2019 | 17 | 10 |
| 2020 | 12 | 14 |
| 2021 | 13 | 29 |
| 2022 | 18 | 46 |
| 2023 | 15 | 64 |
| 2024 | 25 | 85 |
| 2025 | 38 | 112 |
| 2026 | 37 | 98 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Battery cell, battery, and power consuming device6 Oct 2026US 12,756,078 B2Contemporary Amperex Technology Co., Limited
- Battery, method for manufacturing battery, and power consuming device29 Sep 2026US 12,749,784 B2Contemporary Amperex Technology (Hong Kong) Limited
- Electrochemical device, system, and method15 Sep 2026US 12,738,573 B2
- Battery cell comprising liquid injection hole, battery, and electric device15 Sep 2026US 12,738,609 B2Contemporary Amperex Technology Co., Limited
- Battery cell, method and system for manufacture same, battery, and power consuming device15 Sep 2026US 12,738,610 B2Contemporary Amperex Technology (Hong Kong) Limited
- Method for Producing a Battery Cell and Battery Cell8 Oct 2026US 2026/0312137 A1Bayerische Motoren Werke Aktiengesellschaft
- Method of manufacturing electrical energy storage device8 Oct 2026US 2026/0312267 A1Prime Planet Energy & Solutions, Inc.
- Apparatus and method for manufacturing secondary battery1 Oct 2026US 2026/0302370 A1Samsung SDI.Co., Ltd.
- Secondary battery and manufacturing method thereof1 Oct 2026US 2026/0302572 A1Samsung SDI.Co., Ltd.
- Structure for Sealing Liquid Injection Port of Battery Can, Battery Cell Employing the Same, Battery Pack Including the Battery Cell, and Vehicle Equipped with the Battery Pack1 Oct 2026US 2026/0302573 A1LG Energy Solution, Ltd.
Most cited
By later US patents
- Hermetic seal for an electrochemical cell88US 5,776,632 AWilson Greatbatch Ltd. · 1998
- Electrochemical cell76US 5,716,729 AMedtronic, Inc. · 1998
- One-piece header assembly for hermetic battery terminal feedthrough, fill and closure designs66US 6,610,443 B2Wilson Greatbatch Ltd. · 2003
- Electrochemical cell with improved fill port51US 5,173,375 AMedtronic, Inc. · 1992
- Sealed battery and method of manufacturing the same49US 6,190,798 B1Kabushiki Kaisha Toshiba · 2001