H01M 8/0206
Metals or alloys
H01M8/0206 (Metals or alloys) appears on 1,497 US grants and 2,138 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,497
- Published applications
- 2,138
- Assignees
- 626
- Inventors
- 3,703
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 7 | 0 |
| 1998 | 17 | 0 |
| 1999 | 18 | 0 |
| 2000 | 23 | 0 |
| 2001 | 22 | 11 |
| 2002 | 24 | 48 |
| 2003 | 21 | 79 |
| 2004 | 41 | 92 |
| 2005 | 35 | 110 |
| 2006 | 39 | 110 |
| 2007 | 41 | 112 |
| 2008 | 33 | 101 |
| 2009 | 45 | 113 |
| 2010 | 82 | 102 |
| 2011 | 81 | 89 |
| 2012 | 80 | 65 |
| 2013 | 62 | 69 |
| 2014 | 67 | 65 |
| 2015 | 63 | 77 |
| 2016 | 54 | 82 |
| 2017 | 57 | 59 |
| 2018 | 52 | 81 |
| 2019 | 80 | 102 |
| 2020 | 74 | 72 |
| 2021 | 67 | 99 |
| 2022 | 76 | 68 |
| 2023 | 58 | 89 |
| 2024 | 48 | 88 |
| 2025 | 39 | 88 |
| 2026 | 35 | 67 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel cell separator and method for manufacturing same6 Oct 2026US 12,755,986 B2Dongwoo Hst Co., Ltd.
- Fuel cell interconnect alloyed with transition metal element and method of making thereof8 Sep 2026US 12,731,795 B2Bloom Energy Corporation
- Bipolar plate for fuel cells, fuel cell stack having such bipolar plates, and vehicle having such a fuel cell stack1 Sep 2026US 12,725,808 B2Audi AG
- Stainless steel for separation plate of polymer electrolyte membrane fuel cell having improved hydrophilic property and corrosion resistance, and manufacturing method therefor25 Aug 2026US 12,719,063 B2Posco
- Separator integrated with gasket for fuel cell and method for manufacturing the same25 Aug 2026US 12,719,065 B2Hyundai Motor Company
- Stainless steel for fuel cell separator8 Oct 2026US 2026/0312081 A1Posco
- Electrochemical cell stack interconnect including screen printed features and methods of forming same1 Oct 2026US 2026/0297768 A1Bloom Energy Corporation
- Separator for fuel cell and method of manufacturing separator for fuel cell1 Oct 2026US 2026/0302270 A1Toyota Jidosha Kabushiki Kaisha
- Fuel cell stack1 Oct 2026US 2026/0302305 A1Honda Motor Co., Ltd.
- Busbar Arrangement, and Fuel Cell24 Sep 2026US 2026/0290855 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- High energy density redox flow device172US 8,722,226 B224M Technologies, Inc. · 2014
- Brazed bipolar plates for PEM fuel cells144US 5,776,624 AGeneral Motors Corporation · 1998
- High energy density redox flow device134US 9,153,833 B224M Technologies, Inc. · 2015
- Fuel cell fluid flow field plate132US 5,108,849 AHer Majesty the Queen in right of Canada, as represented by the Minister of National Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1992