H01M 4/8621
Containing only metallic or ceramic material
Official title: {containing only metallic or ceramic material, e.g. made by sintering or sputtering}
H01M4/8621 (Containing only metallic or ceramic material) appears on 442 US grants and 556 published applications in this corpus.
Search patents in H01M- Granted patents
- 442
- Published applications
- 556
- Assignees
- 297
- Inventors
- 1,436
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 8 | 11 |
| 2003 | 10 | 20 |
| 2004 | 10 | 31 |
| 2005 | 9 | 35 |
| 2006 | 12 | 27 |
| 2007 | 7 | 24 |
| 2008 | 9 | 30 |
| 2009 | 24 | 31 |
| 2010 | 20 | 26 |
| 2011 | 19 | 19 |
| 2012 | 13 | 21 |
| 2013 | 9 | 30 |
| 2014 | 22 | 25 |
| 2015 | 25 | 21 |
| 2016 | 13 | 17 |
| 2017 | 17 | 16 |
| 2018 | 18 | 17 |
| 2019 | 12 | 16 |
| 2020 | 16 | 27 |
| 2021 | 9 | 21 |
| 2022 | 20 | 11 |
| 2023 | 18 | 20 |
| 2024 | 6 | 24 |
| 2025 | 10 | 15 |
| 2026 | 5 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Proton-conducting ceramic fuel cell architecture2 Jun 2026US 12,646,724 B2Versa Power Systems, Ltd.
- Solid oxide fuel cell, solid oxide fuel cell stack and manufacturing method of solid oxide fuel cell24 Mar 2026US 12,586,805 B2Taiyo Yuden Co., Ltd.
- Method for operating a metal-hydrogen battery24 Mar 2026US 12,586,826 B2EnerVenue Holdings, Ltd.
- Gas diffusion layer for fuel cells, having improved bending properties3 Mar 2026US 12,567,591 B2Carl Freudenberg KG
- Bilayer ceramic interconnect20 Jan 2026US 12,531,260 B2University of South Carolina
- Porous body, porous current collector, and solid oxide fuel cells including them8 Oct 2026US 2026/0312074 A1Sumitomo Electric Industries, Ltd.
- Nickel molybdenum catalysts and their methods of preparation8 Oct 2026US 2026/0312078 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Porous silicon carbide composite material, electrode for fuel cell, and method for manufacturing porous silicon carbide composite material24 Sep 2026US 2026/0290847 A1DIC Corporation
- Solid oxide fuel cell and method for manufacturing the same23 Jul 2026US 2026/0213225 A1Korea Institute of Energy Research
- Cerium-Gadolinium Composite Oxide11 Jun 2026US 2026/0159408 A1Rhodia Operations
Most cited
By later US patents
- Method of making an open pore structure132US 4,975,230 AVapor Technologies, Inc. · 1990
- LaNi.sub.5 is-based metal hydride electrode in Ni-MH rechargeable cells90US 5,888,665 ACalifornia Institute of Technology · 1999
- Hybrid thin film/thick film solid oxide fuel cell and method of manufacturing the same86US 6,677,070 B2Hewlett-Packard Development Company, L. P. · 2004
- Fuel cell59US 4,673,624 A1987
- Electrical energy devices57US 5,766,789 AEnergetics Systems Corp. · 1998