H01M 4/8878
Treatment steps after deposition of the catalytic active composition or after shaping
Official title: {Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body}
H01M4/8878 (Treatment steps after deposition of the catalytic active composition or after shaping) appears on 1,340 US grants and 1,937 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,340
- Published applications
- 1,937
- Assignees
- 762
- Inventors
- 4,198
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 18 | 10 |
| 2002 | 24 | 43 |
| 2003 | 29 | 51 |
| 2004 | 27 | 88 |
| 2005 | 28 | 77 |
| 2006 | 32 | 102 |
| 2007 | 33 | 88 |
| 2008 | 29 | 101 |
| 2009 | 37 | 114 |
| 2010 | 50 | 87 |
| 2011 | 59 | 87 |
| 2012 | 57 | 77 |
| 2013 | 52 | 68 |
| 2014 | 57 | 73 |
| 2015 | 53 | 69 |
| 2016 | 51 | 65 |
| 2017 | 58 | 65 |
| 2018 | 58 | 74 |
| 2019 | 60 | 52 |
| 2020 | 56 | 102 |
| 2021 | 56 | 98 |
| 2022 | 67 | 83 |
| 2023 | 82 | 75 |
| 2024 | 55 | 92 |
| 2025 | 64 | 56 |
| 2026 | 20 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst-coated membrane and method of manufacture28 Jul 2026US 12,695,099 B2Johnson Matthey Hydrogen Technologies Limited
- Negative electrode for lithium secondary battery, method for preparing negative electrode for lithium secondary battery, and lithium secondary battery comprising negative electrode7 Jul 2026US 12,676,302 B2LG Energy Solution, Ltd.
- 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
- Cathode catalyst layer and preparation method and use thereof, and fuel cell30 Jun 2026US 12,671,095 B2Haidriver (Beijing) Energy Technology Co., Ltd
- Method of manufacturing a dry electrode9 Jun 2026US 12,651,739 B2Tesla, Inc.
- Membrane electrode assembly with protected edges8 Oct 2026US 2026/0312106 A1GM Global Technology Operations LLC
- Electrode, solid oxide cell including the same, and method of preparing solid oxide cell1 Oct 2026US 2026/0296913 A1Samsung Electro-Mechanics Co., Ltd.
- High density loading multimetallic particles on chemically modified carbon support1 Oct 2026US 2026/0302265 A1Honda Motor Co., Ltd.
- Method for manufacturing electrode, method for manufacturing membrane electrode assembly, and method for inspecting electrode10 Sep 2026US 2026/0269277 A1Honda Motor Co., Ltd.
- Process for preparing a supported metal catalyst and the so-obtained catalyst3 Sep 2026US 2026/0260907 A1Studiengesellschaft Kohle gGmbH
Most cited
By later US patents
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Electrode assembly for use in a solid polymer electrolyte fuel cell163US 4,876,115 AUnited States Department of Energy · 1989
- Membrane and electrode structure142US 5,330,860 AE. I. Du Pont de Nemours and Company · 1994
- Method of making an open pore structure132US 4,975,230 AVapor Technologies, Inc. · 1990