H01M 4/04
Processes of manufacture in general
H01M4/04 (Processes of manufacture in general) appears on 9,134 US grants and 16,639 published applications in this corpus.
Search patents in H01M- Granted patents
- 9,134
- Published applications
- 16,639
- Assignees
- 2,737
- Inventors
- 22,743
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 13 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 18 | 0 |
| 1991 | 13 | 0 |
| 1992 | 22 | 0 |
| 1993 | 13 | 0 |
| 1994 | 16 | 0 |
| 1995 | 18 | 0 |
| 1996 | 40 | 0 |
| 1997 | 33 | 0 |
| 1998 | 40 | 0 |
| 1999 | 47 | 0 |
| 2000 | 56 | 0 |
| 2001 | 92 | 38 |
| 2002 | 91 | 128 |
| 2003 | 93 | 143 |
| 2004 | 105 | 158 |
| 2005 | 62 | 175 |
| 2006 | 52 | 156 |
| 2007 | 64 | 164 |
| 2008 | 62 | 150 |
| 2009 | 90 | 216 |
| 2010 | 143 | 218 |
| 2011 | 102 | 317 |
| 2012 | 135 | 326 |
| 2013 | 164 | 462 |
| 2014 | 201 | 647 |
| 2015 | 334 | 634 |
| 2016 | 360 | 643 |
| 2017 | 491 | 670 |
| 2018 | 487 | 684 |
| 2019 | 568 | 773 |
| 2020 | 654 | 1020 |
| 2021 | 607 | 1041 |
| 2022 | 658 | 1353 |
| 2023 | 708 | 1733 |
| 2024 | 833 | 1661 |
| 2025 | 929 | 1751 |
| 2026 | 620 | 1378 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 4/0402Methods of deposition of the material5,523
- H01M 4/0471Involving thermal treatment2,549
- H01M 4/043Involving compressing or compaction1,861
- H01M 4/0438By electrochemical processing1,284
- H01M 4/049Manufacturing of an active layer by chemical means497
- H01M 4/0483By methods including the handling of a melt210
- H01M 4/0473Filling tube-or pockets type electrodes102
Recent patents
- Flattening device6 Oct 2026US 12,752,328 B2Contemporary Amperex Technology (Hong Kong) Limited
- Sodium ion battery cathode material, and a preparation method and application therefor6 Oct 2026US 12,753,088 B2Hubei Wanrun New Energy Technology Co., Ltd.
- Thickness control manifold for molten lithium dip coating6 Oct 2026US 12,753,478 B2GM Global Technology Operations LLC
- Mesh current collector for dry electrode lamination6 Oct 2026US 12,755,954 B2GM Global Technology Operations LLC
- Lead sulfate film removing apparatus, method, and system6 Oct 2026US 12,755,956 B2Alpha Bright Company Limited
- Electrode shearing apparatus8 Oct 2026US 2026/0307132 A1Samsung SDI.Co., 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.
- Methods of preparing hard carbon material and energy storage device and method of enhancing plateau capacity8 Oct 2026US 2026/0307995 A1National Tsing Hua University
- Manufacturing System and Method of Dry Electrode8 Oct 2026US 2026/0309597 A1SK On Co., Ltd.
Most cited
By later US patents
- Notched electrode and method of making same387US 6,300,002 B1Moltech Power Systems, Inc. · 2001
- Protective coatings for negative electrodes373US 6,025,094 APolyPlus Battery Company · 2000
- Rechargeable lithium battery for use in applications requiring a low to high power output346US 5,569,520 AMartin Marietta Energy Systems, Inc. · 1996
- Lithium anodes for electrochemical cells319US 7,247,408 B2Sion Power Corporation · 2007
- Rechargeable lithium battery for use in applications requiring a low to high power output290US 5,612,152 AMartin Marietta Energy Systems, Inc. · 1997