H01M 4/8663
Selection of inactive substances as ingredients for catalytic active masses
Official title: {Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers}
H01M4/8663 (Selection of inactive substances as ingredients for catalytic active masses) appears on 782 US grants and 1,225 published applications in this corpus.
Search patents in H01M- Granted patents
- 782
- Published applications
- 1,225
- Assignees
- 526
- Inventors
- 2,661
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 5 |
| 2004 | 4 | 4 |
| 2005 | 1 | 19 |
| 2006 | 5 | 16 |
| 2007 | 2 | 16 |
| 2008 | 3 | 26 |
| 2009 | 10 | 23 |
| 2010 | 14 | 50 |
| 2011 | 18 | 57 |
| 2012 | 24 | 34 |
| 2013 | 21 | 57 |
| 2014 | 38 | 68 |
| 2015 | 40 | 69 |
| 2016 | 43 | 72 |
| 2017 | 43 | 69 |
| 2018 | 60 | 78 |
| 2019 | 44 | 64 |
| 2020 | 55 | 84 |
| 2021 | 54 | 95 |
| 2022 | 58 | 84 |
| 2023 | 60 | 77 |
| 2024 | 63 | 58 |
| 2025 | 51 | 57 |
| 2026 | 18 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrode binder for biofuel cell6 Oct 2026US 12,755,985 B2Resonac Corporation
- 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.
- Method for preparing highly-dispersible radical scavenger metal oxide-ionomer nanocomposite by using self-assembly process and fuel cell comprising nanocomposite prepared thereby1 Sep 2026US 12,725,821 B2Dankook University Cheonan Campus Industry Academic Cooperation Foundation
- Part coated with a carbon-based layer4 Aug 2026US 12,698,556 B2Hydromecanique Et Frottement
- High-temperature PEMFC including polymer of intrinsic microporosity preventing phosphoric acid poisoning and method of manufacturing the same7 Jul 2026US 12,676,330 B2Hyundai Motor Company
- Multi-metallic oxygen reduction reaction (orr) cu-pt-au catalyst in high-temperature proton exchange membrane fuel cells8 Oct 2026US 2026/0312076 A1Brown University
- Electrochemical cell24 Sep 2026US 2026/0290848 A1Saudi Arabian Oil Company
- Membrane electrode assembly24 Sep 2026US 2026/0290849 A1Kabushiki Kaisha Toyota Chuo Kenkyusho
- Ionomer17 Sep 2026US 2026/0275078 A1Toyota Jidosha Kabushiki Kaisha
- Carbon fiber sheet, fuel cell gas diffusion layer, and membrane electrode composite17 Sep 2026US 2026/0279841 A1Tomoegawa Co., Ltd.
Most cited
By later US patents
- Nanostructured catalyst supports112US 8,278,011 B2Nanosys, Inc. · 2012
- High utilization supported catalytic metal-containing gas-diffusion electrode, process for making it, and cells utilizing it95US 5,084,144 APhysical Sciences, Inc. · 1992
- Thin non-flat gas electrode, current collector and process of manufacture73US 4,440,835 ASociete les Piles Wonder · 1984
- Battery electrode and method of making70US 4,556,618 AAllied Corporation · 1985
- Fuel cell68US 4,478,917 AHitachi, Ltd. · 1984