H01M 4/808
Foamed, spongy materials
Official title: {Foamed, spongy materials}
H01M4/808 (Foamed, spongy materials) appears on 362 US grants and 392 published applications in this corpus.
Search patents in H01M- Granted patents
- 362
- Published applications
- 392
- Assignees
- 221
- Inventors
- 1,008
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 6 |
| 2002 | 15 | 8 |
| 2003 | 8 | 6 |
| 2004 | 4 | 8 |
| 2005 | 9 | 6 |
| 2006 | 3 | 4 |
| 2007 | 1 | 4 |
| 2008 | 3 | 8 |
| 2009 | 3 | 12 |
| 2010 | 4 | 8 |
| 2011 | 5 | 16 |
| 2012 | 10 | 22 |
| 2013 | 9 | 17 |
| 2014 | 10 | 10 |
| 2015 | 10 | 14 |
| 2016 | 5 | 14 |
| 2017 | 12 | 23 |
| 2018 | 7 | 18 |
| 2019 | 17 | 25 |
| 2020 | 24 | 30 |
| 2021 | 18 | 34 |
| 2022 | 18 | 27 |
| 2023 | 18 | 21 |
| 2024 | 11 | 26 |
| 2025 | 13 | 15 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Current collector, manufacturing method and equipment thereof, and current collector preform23 Jun 2026US 12,665,201 B2Contemporary Amperex Technology (Hong Kong) Limited
- Nitro-substituted aromatic compounds for use in electrodes16 Jun 2026US 12,658,444 B2
- Current collector and preparation method therefor, secondary battery, battery module, battery pack, and power consuming device7 Apr 2026US 12,597,615 B2Contemporary Amperex Technology (Hong Kong) Limited
- Large-area copper nanofoam with hierarchical structure for use as electrode10 Mar 2026US 12,573,639 B2CellMo Materials Innovation, Inc.
- Anode, lithium metal battery including the same, and method of manufacturing the lithium metal battery3 Feb 2026US 12,542,304 B2Agency for Defense Development
- Batteries and methods of making the same3 Sep 2026US 2026/0260902 A1Board of Regents, The University of Texas System
- Electrode stacked body, method for producing electrode stacked body, and electrochemical device27 Aug 2026US 2026/0253909 A1Maxell, Ltd.
- Thermally Regenerative Electrochemical Cell4 Jun 2026US 2026/0155363 A1Iucf-Hyu (Industry-University Cooperation Foundation Hanyang University)
- Anode material and battery21 May 2026US 2026/0142188 A1Btr New Material Group Co., Ltd.
- Current collector comprising conductive primer layer and all-solid-state battery comprising the same7 May 2026US 2026/0128326 A1Hyundai Motor Company
Most cited
By later US patents
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Method of making an open pore structure132US 4,975,230 AVapor Technologies, Inc. · 1990
- Zinc electrode and rechargeable zinc-air battery113US 4,842,963 AThe United States of America as represented by the United States Department of Energy · 1989
- Battery structures, self-organizing structures and related methods110US 7,579,112 B2A123 Systems, Inc. · 2009
- Bipolar electrochmeical battery of stacked wafer cells103US 5,393,617 AElectro Energy, Inc. · 1995