H01M 4/925
Supported on carriers
Official title: {supported on carriers, e.g. powder carriers}
H01M4/925 (Supported on carriers) appears on 1,768 US grants and 2,606 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,768
- Published applications
- 2,606
- Assignees
- 777
- Inventors
- 4,569
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 13 | 0 |
| 1998 | 12 | 0 |
| 1999 | 21 | 0 |
| 2000 | 14 | 0 |
| 2001 | 29 | 6 |
| 2002 | 16 | 31 |
| 2003 | 22 | 47 |
| 2004 | 22 | 106 |
| 2005 | 24 | 98 |
| 2006 | 39 | 125 |
| 2007 | 36 | 140 |
| 2008 | 38 | 125 |
| 2009 | 52 | 125 |
| 2010 | 86 | 162 |
| 2011 | 99 | 116 |
| 2012 | 93 | 111 |
| 2013 | 77 | 95 |
| 2014 | 64 | 104 |
| 2015 | 80 | 110 |
| 2016 | 76 | 101 |
| 2017 | 87 | 117 |
| 2018 | 89 | 102 |
| 2019 | 76 | 85 |
| 2020 | 81 | 91 |
| 2021 | 66 | 119 |
| 2022 | 81 | 110 |
| 2023 | 87 | 128 |
| 2024 | 76 | 90 |
| 2025 | 80 | 92 |
| 2026 | 44 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Membrane-electrode assembly capable of satisfying both of two requirements of excellent performance and high durability, and fuel cell including same6 Oct 2026US 12,755,996 B2Kolon Industries, Inc.
- Surface modified oxygen reduction electrochemical catalysts22 Sep 2026US 12,744,223 B2Toyota Jidosha Kabushiki Kaisha
- 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
- 4H/fcc heterophase platinum based nanomaterial on nanorod for electrocatalytic alcohol oxidation8 Sep 2026US 12,731,794 B2City University of Hong Kong
- Electrode catalyst, electrode catalyst layer using electrode catalyst, membrane-electrode assembly, and electrochemical device1 Sep 2026US 12,725,807 B2Panasonic Intellectual Property Management Co., Ltd.
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0307067 A1Toyota Jidosha Kabushiki Kaisha
- Oxygen reduction catalyst and use thereof8 Oct 2026US 2026/0312077 A1Toyota Jidosha Kabushiki Kaisha
- High density loading multimetallic particles on chemically modified carbon support1 Oct 2026US 2026/0302265 A1Honda Motor Co., Ltd.
- Phenolic Coatings for Enhanced Resistance to Hydrocarbon Poisoning of Proton Exchange Membrane Fuel Cell Electrodes1 Oct 2026US 2026/0302267 A1University of Cincinnati
- Metal nanostructure and method for manufacturing the same17 Sep 2026US 2026/0273623 A1Heesung Catalysts Corporation
Most cited
By later US patents
- 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
- Electrode assembly for use in a solid polymer electrolyte fuel cell163US 4,876,115 AUnited States Department of Energy · 1989
- Fuel cell system utilizing ion exchange membranes and bipolar plates150US 4,175,165 AEngelhard Minerals & Chemicals Corporation · 1979
- Membrane catalyst layer for fuel cells147US 5,211,984 AThe Regents of the University of California · 1993