H01M 4/043
Involving compressing or compaction
Official title: {involving compressing or compaction}
H01M4/043 (Involving compressing or compaction) appears on 1,861 US grants and 3,374 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,861
- Published applications
- 3,374
- Assignees
- 797
- Inventors
- 6,595
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 19 | 0 |
| 1997 | 17 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 18 | 0 |
| 2001 | 29 | 15 |
| 2002 | 37 | 21 |
| 2003 | 24 | 31 |
| 2004 | 21 | 43 |
| 2005 | 14 | 49 |
| 2006 | 12 | 33 |
| 2007 | 14 | 37 |
| 2008 | 15 | 29 |
| 2009 | 24 | 40 |
| 2010 | 26 | 32 |
| 2011 | 17 | 59 |
| 2012 | 21 | 34 |
| 2013 | 27 | 62 |
| 2014 | 28 | 108 |
| 2015 | 35 | 106 |
| 2016 | 65 | 124 |
| 2017 | 71 | 144 |
| 2018 | 101 | 119 |
| 2019 | 105 | 140 |
| 2020 | 134 | 176 |
| 2021 | 115 | 187 |
| 2022 | 129 | 282 |
| 2023 | 121 | 319 |
| 2024 | 173 | 349 |
| 2025 | 203 | 439 |
| 2026 | 127 | 396 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flattening device6 Oct 2026US 12,752,328 B2Contemporary Amperex Technology (Hong Kong) Limited
- Preparation method and application of lithium cobalt oxide soft-pack battery6 Oct 2026US 12,755,960 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Electrode, secondary battery comprising the same, and method for manufacturing the same6 Oct 2026US 12,755,978 B2LG Energy Solution, Ltd.
- Electrode for electrochemical device comprising dry electrode film and method for manufacturing the same29 Sep 2026US 12,749,671 B2LG Energy Solution, Ltd.
- Electrode rolling apparatus and electrode rolling method29 Sep 2026US 12,749,672 B2LG Energy Solution, Ltd.
- Lithium metal powder, lithium metal anode, lithium ion battery, and preparation methods thereof8 Oct 2026US 2026/0307141 A1Xi An Technological University
- Apparatus and method for manufacturing electrode plate8 Oct 2026US 2026/0307355 A1SK On Co., Ltd.
- Manufacturing System and Method of Dry Electrode8 Oct 2026US 2026/0309597 A1SK On Co., Ltd.
- Roll map storing method and roll map extracting method8 Oct 2026US 2026/0311993 A1LG Energy Solution, Ltd.
- Heating system for controlling temperature of film in dry electrode plate manufacturing process8 Oct 2026US 2026/0311994 A1Samsung SDI.Co., Ltd.
Most cited
By later US patents
- Layered arrangements of lithium electrodes262US 6,413,285 B1PolyPlus Battery Company · 2002
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Liquid electrolyte lithium-sulfur batteries209US 6,030,720 APolyPlus Battery Company · 2000
- Rechargeable positive electrodes193US 5,686,201 APolyPlus Battery Company · 1997
- Methods of fabricating rechargeable positive electrodes188US 5,582,623 APolyPlus Battery Company · 1996