H01M 4/8803
Supports for the deposition of the catalytic active composition
Official title: {Supports for the deposition of the catalytic active composition (H01M4/90 takes precedence)}
H01M4/8803 (Supports for the deposition of the catalytic active composition) appears on 1,333 US grants and 2,060 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,333
- Published applications
- 2,060
- Assignees
- 717
- Inventors
- 4,168
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 25 | 7 |
| 2002 | 17 | 39 |
| 2003 | 15 | 68 |
| 2004 | 25 | 71 |
| 2005 | 30 | 84 |
| 2006 | 46 | 87 |
| 2007 | 24 | 89 |
| 2008 | 21 | 89 |
| 2009 | 39 | 98 |
| 2010 | 53 | 116 |
| 2011 | 48 | 68 |
| 2012 | 51 | 73 |
| 2013 | 61 | 69 |
| 2014 | 52 | 78 |
| 2015 | 48 | 68 |
| 2016 | 58 | 82 |
| 2017 | 60 | 82 |
| 2018 | 64 | 96 |
| 2019 | 66 | 92 |
| 2020 | 70 | 97 |
| 2021 | 72 | 108 |
| 2022 | 84 | 102 |
| 2023 | 83 | 95 |
| 2024 | 72 | 82 |
| 2025 | 61 | 72 |
| 2026 | 27 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aqueous Zn||NO2 electrochemical cell6 Oct 2026US 12,756,037 B2City University of Hong Kong
- Heteroelement-doped highly graphitic porous carbon body, a catalyst including the same, and a method for producing the same15 Sep 2026US 12,738,508 B2Daegu Gyeongbuk Institute of Science and Technology
- Ionomer for fuel cell capable of self-assembly and method of preparing the same1 Sep 2026US 12,725,820 B2Hyundai Motor Company
- Method for the preparation of a gas diffusion layer and a gas diffusion layer obtained or obtainable by such method28 Jul 2026US 12,692,607 B2Avantium Knowledge Centre B.V.
- Oxygen electrode catalytic layer for reversible, alkaline or anion exchange membrane electrochemical devices14 Jul 2026US 12,683,176 B2Hydrolite Ltd
- Method for manufacturing a catalyst layer, and such a layer, as well as a fuel cell module, assembly, power unit, and vehicle incorporating the same8 Oct 2026US 2026/0312079 A1
- Membrane electrode assembly with protected edges8 Oct 2026US 2026/0312106 A1GM Global Technology Operations LLC
- A membrane electrode assembly and a method for the manufacture thereof8 Oct 2026US 2026/0312109 A1
- Rolled material, method, and device1 Oct 2026US 2026/0296820 A1Robert Bosch GmbH
- Porous silicon carbide composite material, electrode for fuel cell, and method for manufacturing porous silicon carbide composite material24 Sep 2026US 2026/0290847 A1DIC Corporation
Most cited
By later US patents
- Membrane electrode assembly181US 5,879,828 AMinnesota Mining and Manufacturing Company · 1999
- Aqueous liquid feed organic fuel cell using solid polymer electrolyte membrane173US 5,599,638 ACalifornia Institute of Technology · 1997
- Nanowire-based membrane electrode assemblies for fuel cells164US 7,179,561 B2Nanosys, Inc. · 2007
- Membrane and electrode structure142US 5,330,860 AE. I. Du Pont de Nemours and Company · 1994
- Nanowire structures comprising carbon135US 7,842,432 B2Nanosys, Inc. · 2010