H01M 4/0447
Of complete cells or cells stacks
Official title: {of complete cells or cells stacks}
H01M4/0447 (Of complete cells or cells stacks) appears on 232 US grants and 437 published applications in this corpus.
Search patents in H01M- Granted patents
- 232
- Published applications
- 437
- Assignees
- 176
- Inventors
- 1,118
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 9 |
| 2015 | 4 | 16 |
| 2016 | 4 | 11 |
| 2017 | 6 | 8 |
| 2018 | 9 | 13 |
| 2019 | 8 | 26 |
| 2020 | 21 | 34 |
| 2021 | 25 | 56 |
| 2022 | 26 | 52 |
| 2023 | 26 | 53 |
| 2024 | 31 | 48 |
| 2025 | 39 | 61 |
| 2026 | 13 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lead sulfate film removing apparatus, method, and system6 Oct 2026US 12,755,956 B2Alpha Bright Company Limited
- Lithium-rich nickel manganese oxide battery cathode materials and methods18 Aug 2026US 12,712,177 B2Stratus Materials Inc.
- Gas suppression device and method for lithium-sulfur battery7 Jul 2026US 12,676,346 B2LG Energy Solution, Ltd.
- Flow test tool, negative pressure formation apparatus, and battery manufacturing device2 Jun 2026US 12,646,757 B2Contemporary Amperex Technology (Hong Kong) Limited
- Solid-state lithium-ion battery cell conditioning process and composition2 Jun 2026US 12,646,760 B2Blue Current, Inc.
- Formation device and method for secondary battery1 Oct 2026US 2026/0302162 A1Samsung SDI.Co., Ltd.
- Method for Generating a Porous Conductor and Lithium Ion Battery1 Oct 2026US 2026/0302257 A1Bayerische Motoren Werke Aktiengesellschaft
- Lithium Secondary Battery and Method for Manufacturing the Same1 Oct 2026US 2026/0302443 A1LG Energy Solution, Ltd.
- Secondary battery charging and discharging apparatus integrated with power supply unit10 Sep 2026US 2026/0269638 A1Wonik Pne Co., Ltd.
- Battery formation protocols3 Sep 2026US 2026/0260927 A1Deakin University
Most cited
By later US patents
- Rechargeable lithium battery for use in applications requiring a low to high power output346US 5,569,520 AMartin Marietta Energy Systems, Inc. · 1996
- Rechargeable lithium battery for use in applications requiring a low to high power output290US 5,612,152 AMartin Marietta Energy Systems, Inc. · 1997
- Battery with an in-situ activation plated lithium anode192US 6,168,884 ALockheed Martin Energy Research Corporation · 2001
- Systems and methods for series battery charging111US 10,153,651 B224M Technologies, Inc. · 2018
- Electrode active surface pretreatment83US 9,005,311 B2Sion Power Corporation · 2015