H01M 4/8673
Electrically conductive fillers
Official title: {Electrically conductive fillers}
H01M4/8673 (Electrically conductive fillers) appears on 268 US grants and 411 published applications in this corpus.
Search patents in H01M- Granted patents
- 268
- Published applications
- 411
- Assignees
- 252
- Inventors
- 1,087
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 0 |
| 2005 | 0 | 7 |
| 2006 | 3 | 6 |
| 2007 | 1 | 3 |
| 2008 | 1 | 4 |
| 2009 | 5 | 5 |
| 2010 | 2 | 8 |
| 2011 | 1 | 13 |
| 2012 | 4 | 10 |
| 2013 | 3 | 20 |
| 2014 | 12 | 20 |
| 2015 | 15 | 26 |
| 2016 | 14 | 36 |
| 2017 | 14 | 28 |
| 2018 | 27 | 23 |
| 2019 | 12 | 21 |
| 2020 | 14 | 34 |
| 2021 | 24 | 40 |
| 2022 | 21 | 27 |
| 2023 | 34 | 32 |
| 2024 | 24 | 21 |
| 2025 | 18 | 14 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrochemical membrane17 Mar 2026US 12,580,214 B2W. L. Gore & Associates, Inc.
- Electrode catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell10 Mar 2026US 12,573,640 B2Toppan Inc.
- Gas diffusion layer for fuel cells, having improved bending properties3 Mar 2026US 12,567,591 B2Carl Freudenberg KG
- Optimized processing of electrodes for SOFC and SOEC23 Dec 2025US 12,506,158 B2Bloom Energy Corporation
- Composition for manufacturing an electrode, electrode and associated method28 Oct 2025US 12,456,737 B2Centre National De La Recherche Scientifique
- Catalyst layer forming composition, catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell3 Sep 2026US 2026/0260906 A1AGC Inc.
- Hydrophobic biobinder for cathodic formulation20 Aug 2026US 2026/0245916 A1Befc
- Electrochemical membrane7 May 2026US 2026/0128339 A1W. L. Gore & Associates, Inc.
- High-temperature solid-state lithium alloy-carbon dioxide battery30 Apr 2026US 2026/0121080 A1Talos Tech LLC
- High Structure Acetylene Black, Process for its Production, and Compositions and Uses Thereof16 Apr 2026US 2026/0103600 A1Orion Engineered Carbons IP GmbH & Co. KG
Most cited
By later US patents
- 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
- Electrolytic cell membrane/SPE formation by solution coating63US 4,386,987 ADiamond Shamrock Corporation · 1983
- Gas diffusion composite electrode having polymeric binder coated carbon layer43US 4,568,442 AThe Dow Chemical Company · 1986
- Thick electrode direct reaction fuel cells utilizing cross-flows and taylor vortex flows42US 8,124,296 B1Global Energy Science, LLC (California) · 2012