H01M 4/9091
Unsupported catalytic particles
Official title: {Unsupported catalytic particles; loose particulate catalytic materials, e.g. in fluidised state}
H01M4/9091 (Unsupported catalytic particles) appears on 58 US grants and 71 published applications in this corpus.
Search patents in H01M- Granted patents
- 58
- Published applications
- 71
- Assignees
- 57
- Inventors
- 237
- Latest grant
- 10 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 5 |
| 2009 | 1 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 2 | 4 |
| 2014 | 0 | 8 |
| 2015 | 1 | 5 |
| 2016 | 2 | 7 |
| 2017 | 9 | 3 |
| 2018 | 3 | 3 |
| 2019 | 2 | 4 |
| 2020 | 6 | 6 |
| 2021 | 3 | 3 |
| 2022 | 5 | 4 |
| 2023 | 0 | 3 |
| 2024 | 3 | 6 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alloy nanoparticle, aggregate of alloy nanoparticles, catalyst, and method for producing alloy nanoparticles10 Jun 2025US 12,325,903 B2Kyoto University
- Battery cell apparatus and system and method of use1 Oct 2024US 12,107,242 B2
- Carbon catalyst, battery electrode, and battery3 Sep 2024US 12,080,896 B2Nisshinbo Holdings Inc.
- Fuel cells, bifunctional catalysts thereof, and preparation methods therefor12 Mar 2024US 11,929,513 B2Harbin Institute of Technology, Shenzhen
- Carbon catalyst, electrode, and battery26 Jul 2022US 11,398,629 B2National University Corporation Gunma University
- Electrochemical catalyst including nano-silicate composite, manufacturing method therefor, and electrode composition and electrode including same21 May 2026US 2026/0142194 A1GITech Inc.
- Method of making a gas diffusion electrode, method of making a membrane-electrode assembly for a fuel cell, catalytic composition for a gas diffusion electrode4 Dec 2025US 2025/0372665 A1Brembo S.p.A.
- Catalytic composition for gas diffusion electrode, gas diffusion electrode, membrane-electrode assembly for combustible cell, and related uses and making methods23 Oct 2025US 2025/0329753 A1Brembo S.p.A.
- Battery with electrochemical cell23 Jan 2025US 2025/0030016 A1Litricity GmbH
- Plasmonic photoelectrodes for photoelectrochemical redox flow batteries26 Dec 2024US 2024/0429494 A1Battelle Savannah River Alliance, LLC
Most cited
By later US patents
- Composite electrode for use in electrochemical cells116US 4,804,592 AThe United States of America as represented by the United States Department of Energy · 1989
- Electrically-conductive titanium suboxides39US 4,931,213 A1990
- Electrochemical cell containing a titanium suboxide electrode39US 5,281,496 AAtraverda Limited · 1994
- Membrane/electrode combination having interconnected roadways of catalytically active particles37US 5,039,389 AThe Dow Chemical Company · 1991
- Self supporting structurally engineered non-platinum electrocatalyst for oxygen reduction in fuel cells36US 7,678,728 B2Stc. Unm · 2010