H01M 4/669
Steels
Official title: {Steels}
H01M4/669 (Steels) appears on 183 US grants and 229 published applications in this corpus.
Search patents in H01M- Granted patents
- 183
- Published applications
- 229
- Assignees
- 164
- Inventors
- 706
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 4 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 6 |
| 2006 | 1 | 3 |
| 2007 | 0 | 4 |
| 2008 | 2 | 3 |
| 2009 | 2 | 0 |
| 2010 | 4 | 3 |
| 2011 | 0 | 6 |
| 2012 | 1 | 1 |
| 2013 | 1 | 5 |
| 2014 | 3 | 13 |
| 2015 | 8 | 11 |
| 2016 | 6 | 9 |
| 2017 | 8 | 11 |
| 2018 | 5 | 8 |
| 2019 | 7 | 8 |
| 2020 | 9 | 10 |
| 2021 | 8 | 15 |
| 2022 | 13 | 21 |
| 2023 | 8 | 21 |
| 2024 | 12 | 26 |
| 2025 | 10 | 19 |
| 2026 | 5 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrode assemblies having alloyed interfaces and methods of forming the same25 Aug 2026US 12,719,059 B2GM Global Technology Operations LLC
- Nitro-substituted aromatic compounds for use in electrodes16 Jun 2026US 12,658,444 B2
- Ferritic stainless steel sheet for current collectors for sulfide-based solid-state batteries, and method for manufacturing same16 Jun 2026US 12,658,454 B2Jfe Steel Corporation
- Surface-treated sheet for alkaline secondary battery and method for manufacturing same26 May 2026US 12,640,375 B2Toyo Kohan Co.Ltd
- Lithium primary battery and liquid non-aqueous electrolyte for lithium primary battery31 Mar 2026US 12,592,395 B2Panasonic Intellectual Property Management Co., Ltd.
- Anode assembly for a battery cell10 Sep 2026US 2026/0269222 A1Ion Storage Systems, Inc.
- Porous current collector assemblies for use in energy storage devices, and methods thereof20 Aug 2026US 2026/0245914 A1Tesla, Inc.
- Secondary battery and method of manufacturing secondary battery6 Aug 2026US 2026/0229614 A1Murata Manufacturing Co., Ltd.
- Lithium secondary battery30 Jul 2026US 2026/0221490 A1Panasonic Intellectual Property Management Co., Ltd.
- Negative electrode and battery using same30 Jul 2026US 2026/0221496 A1Mitsui Kinzoku Company, Limited
Most cited
By later US patents
- Composite coating for electrochemical electrode and method98US 4,981,672 AVoltaix, Inc. · 1991
- Negative electrode for secondary battery88US 5,162,178 ARicoh Company, Ltd. · 1992
- Solid state electrochemical cell having porous cathode current collector78US 4,925,752 A1990
- Means for improving contact between Li and the anode current collector77US 4,162,202 AP. R. Mallory & Co. Inc. · 1979
- Ionic gel electrolyte, energy storage devices, and methods of manufacture thereof72US 9,076,589 B2Imprint Energy, Inc. · 2015