H01M 4/885
Followed by reduction of the catalyst salt precursor
Official title: {followed by reduction of the catalyst salt precursor}
H01M4/885 (Followed by reduction of the catalyst salt precursor) appears on 84 US grants and 103 published applications in this corpus.
Search patents in H01M- Granted patents
- 84
- Published applications
- 103
- Assignees
- 90
- Inventors
- 328
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 5 |
| 2004 | 2 | 1 |
| 2005 | 2 | 6 |
| 2006 | 5 | 4 |
| 2007 | 2 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 7 |
| 2010 | 4 | 8 |
| 2011 | 4 | 2 |
| 2012 | 4 | 5 |
| 2013 | 4 | 4 |
| 2014 | 0 | 3 |
| 2015 | 4 | 5 |
| 2016 | 2 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 3 |
| 2019 | 1 | 4 |
| 2020 | 5 | 3 |
| 2021 | 5 | 15 |
| 2022 | 6 | 5 |
| 2023 | 8 | 4 |
| 2024 | 6 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst for fuel cells and method for producing same4 Aug 2026US 12,700,596 B2Cataler Corporation
- Electrolyte membrane for lithium-air battery, method of manufacturing same and lithium-air battery comprising same27 Jan 2026US 12,537,266 B2Hyundai Motor Company
- Method for preparing a polymer membrane for a polymer electrolyte water electrolyser25 Feb 2025US 12,234,566 B2Paul Scherrer Institut
- Methods for producing alpha-keto acid and pyruvic acid19 Nov 2024US 12,148,933 B2Japan Science and Technology Agency
- Solvents and catalyst preparations for lithium-oxygen batteries11 Jun 2024US 12,009,509 B2Uchicago Argonne, LLC
- Fuel cell catalyst and preparation method therefor23 Jul 2026US 2026/0213224 A1Kolon Inustries, Inc.
- Fuel cell catalyst, method for manufacturing same, and fuel cell comprising same18 Jun 2026US 2026/0171430 A1Kolon Industries, Inc.
- Pt-anchored over zirconium phosphate for proton exchange membrane fuel cell applications9 Oct 2025US 2025/0316719 A1
- Platinum-carbon catalyst and preparation process and use thereof and hydrogen fuel cell9 Jan 2025US 2025/0015312 A1China Petroleum & Chemical Corporation
- Electrolyte membrane for lithium-air battery, method of manufacturing same and lithium-air battery comprising same16 May 2024US 2024/0162567 A1Hyundai Motor Company
Most cited
By later US patents
- Ion exchange and electrode assembly for an electrochemical cell86US 6,054,230 AJapan Gore-Tex, Inc. · 2000
- Energy devices and methods for the fabrication of energy devices84US 6,753,108 B1Superior MicroPowders LLC · 2004
- Depositing metal particles on carbon nanotubes67US 7,250,188 B2Her Majesty the Queen in right of Canada, as represented by the Minister of National Defense of Her Majesty's Canadian Government · 2007
- Gas permeable electrode59US 4,931,168 ATanaka Kikinzoku Kogyo K.K. · 1990
- Process for preparing a metal electrode35US 4,127,468 AStamicarbon B. V. · 1978