H01M 8/0232
Metals or alloys
H01M8/0232 (Metals or alloys) appears on 591 US grants and 919 published applications in this corpus.
Search patents in H01M- Granted patents
- 591
- Published applications
- 919
- Assignees
- 406
- Inventors
- 2,096
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 5 |
| 2002 | 14 | 22 |
| 2003 | 13 | 34 |
| 2004 | 15 | 49 |
| 2005 | 20 | 40 |
| 2006 | 15 | 42 |
| 2007 | 22 | 53 |
| 2008 | 12 | 49 |
| 2009 | 19 | 57 |
| 2010 | 38 | 47 |
| 2011 | 32 | 46 |
| 2012 | 24 | 21 |
| 2013 | 19 | 28 |
| 2014 | 27 | 19 |
| 2015 | 23 | 41 |
| 2016 | 19 | 32 |
| 2017 | 23 | 28 |
| 2018 | 24 | 31 |
| 2019 | 25 | 40 |
| 2020 | 28 | 39 |
| 2021 | 20 | 46 |
| 2022 | 30 | 27 |
| 2023 | 25 | 35 |
| 2024 | 19 | 34 |
| 2025 | 21 | 26 |
| 2026 | 9 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Article having a heat-insulating coating system7 Jul 2026US 12,676,320 B2Forschungszentrum Julich GmbH
- Method for producing a green paper for producing a gas diffusion layer for a fuel cell23 Jun 2026US 12,665,202 B2Giesecke+Devrient Currency Technology GmbH
- Fuel cell and method for producing same5 May 2026US 12,620,604 B2Hitachi High-Tech Corporation
- Interconnector for solid-oxide electrochemical cell stack and solid-oxide electrochemical cell stack21 Apr 2026US 12,609,328 B2Toshiba Energy Systems & Solutions Corporation
- Fuel cell stack and electrochemical reactor21 Apr 2026US 12,609,330 B2Robert Bosch GmbH
- Mesh, water electrolysis apparatus, and fuel cell8 Oct 2026US 2026/0312082 A1Sumitomo Electric Industries, Ltd.
- Method for producing separator8 Oct 2026US 2026/0312084 A1Nok Corporation
- Busbar Arrangement, and Fuel Cell24 Sep 2026US 2026/0290855 A1Bayerische Motoren Werke Aktiengesellschaft
- Porous transport layer17 Sep 2026US 2026/0275543 A1NV Bekaert SA
- Porous transport layer17 Sep 2026US 2026/0279846 A1NV Bekaert SA
Most cited
By later US patents
- Nanowire-based membrane electrode assemblies for fuel cells164US 7,179,561 B2Nanosys, Inc. · 2007
- Nanowire-based membrane electrode assemblies for fuel cells109US 7,977,013 B2Nanosys, Inc. · 2011
- Nanowire-based membrane electrode assemblies for fuel cells107US 7,977,007 B2Nanosys, Inc. · 2011
- Bipolar metal/air battery101US 4,828,939 AEltech Systems Corporation · 1989
- Membrane electrochemical cell provided with gas diffusion electrodes in contact with porour, flat, metal current conductors having highly distributed contact area91US 6,022,634 ADe Nora S.p.A. · 2000