H01M 4/661
Metal or alloys
Official title: {Metal or alloys, e.g. alloy coatings (H01M4/669 take precedence)}
H01M4/661 (Metal or alloys) appears on 3,550 US grants and 5,974 published applications in this corpus.
Search patents in H01M- Granted patents
- 3,550
- Published applications
- 5,974
- Assignees
- 1,398
- Inventors
- 10,128
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 19 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 10 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 18 | 0 |
| 1991 | 12 | 0 |
| 1992 | 15 | 0 |
| 1993 | 10 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 29 | 0 |
| 1997 | 25 | 0 |
| 1998 | 25 | 0 |
| 1999 | 16 | 0 |
| 2000 | 27 | 0 |
| 2001 | 25 | 13 |
| 2002 | 35 | 56 |
| 2003 | 39 | 75 |
| 2004 | 48 | 71 |
| 2005 | 27 | 85 |
| 2006 | 26 | 78 |
| 2007 | 27 | 70 |
| 2008 | 35 | 61 |
| 2009 | 42 | 101 |
| 2010 | 67 | 117 |
| 2011 | 55 | 154 |
| 2012 | 80 | 168 |
| 2013 | 81 | 191 |
| 2014 | 87 | 201 |
| 2015 | 108 | 210 |
| 2016 | 157 | 285 |
| 2017 | 196 | 306 |
| 2018 | 186 | 335 |
| 2019 | 245 | 293 |
| 2020 | 294 | 371 |
| 2021 | 241 | 375 |
| 2022 | 260 | 444 |
| 2023 | 230 | 498 |
| 2024 | 239 | 486 |
| 2025 | 252 | 523 |
| 2026 | 143 | 407 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Double layered electrolytic copper foil and manufacturing method thereof6 Oct 2026US 12,753,524 B2Volta Energy Solutions S.A.R.L.
- Mesh current collector for dry electrode lamination6 Oct 2026US 12,755,954 B2GM Global Technology Operations LLC
- Electrode plate and electrochemical device6 Oct 2026US 12,755,984 B2Contemporary Amperex Technology (Hong Kong) Limited
- Cathode with a composite nickel structure and method to manufacture the same29 Sep 2026US 12,749,679 B2GM Global Technology Operations LLC
- Modular battery system including tab-free bipolar modules29 Sep 2026US 12,749,758 B2GM Global Technology Operations LLC
- Dry electrode film, preparation method therefor, and electrode and battery8 Oct 2026US 2026/0312000 A1Eve Energy Co., Ltd.
- Electrode current collectors, electrodes, and rechargeable lithium batteries8 Oct 2026US 2026/0312071 A1Samsung SDI.Co., Ltd.
- High performance lfp cell with active material composite for high rate applications8 Oct 2026US 2026/0312149 A1Crimen Tech Private Limited
- Cathode lithium-supplementing additive, preparation method thereof, and application thereof1 Oct 2026US 2026/0296912 A1Shenzhen Innovazone Technology Co., Ltd.
- Method for Preparing Nano Nickel Oxide/Graphene Composite Electrode Material1 Oct 2026US 2026/0296914 A1Tianneng Battery Group Co., Ltd.
Most cited
By later US patents
- Lithium anodes for electrochemical cells307US 6,797,428 B1Moltech Corporation · 2004
- Lithium anodes for electrochemical cells299US 6,733,924 B1Moltech Corporation · 2004
- Plating metal negative electrodes under protective coatings287US 6,402,795 B1PolyPlus Battery Company · 2002
- Electrode structural body, rechargeable battery provided with said electrode structural body, and rechargeable battery206US 6,432,585 B1Canon Kabushiki Kaisha · 2002
- High reliability electrochemical cell and electrode assembly therefor200US 5,439,760 AMedtronic, Inc. · 1995