H01M 8/1032
Having sulfur
Official title: having sulfur, e.g. sulfonated-polyethersulfones [S-PES]
H01M8/1032 (Having sulfur) appears on 539 US grants and 824 published applications in this corpus.
Search patents in H01M- Granted patents
- 539
- Published applications
- 824
- Assignees
- 311
- Inventors
- 1,488
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 10 |
| 2003 | 4 | 17 |
| 2004 | 10 | 45 |
| 2005 | 10 | 47 |
| 2006 | 21 | 70 |
| 2007 | 17 | 77 |
| 2008 | 23 | 55 |
| 2009 | 26 | 75 |
| 2010 | 47 | 62 |
| 2011 | 52 | 51 |
| 2012 | 47 | 40 |
| 2013 | 37 | 17 |
| 2014 | 23 | 25 |
| 2015 | 31 | 21 |
| 2016 | 15 | 14 |
| 2017 | 17 | 31 |
| 2018 | 14 | 13 |
| 2019 | 23 | 17 |
| 2020 | 22 | 23 |
| 2021 | 16 | 12 |
| 2022 | 11 | 18 |
| 2023 | 15 | 25 |
| 2024 | 9 | 25 |
| 2025 | 17 | 16 |
| 2026 | 8 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ionomer for fuel cell capable of self-assembly and method of preparing the same1 Sep 2026US 12,725,820 B2Hyundai Motor Company
- Block copolymer, production method therefor, polymeric electrolyte material, polymeric electrolyte molded article, polymeric electrolyte film, electrolyte film equipped with catalyst layer, membrane electrode composite, solid polymer fuel cell, and water electrolysis type hydrogen generating device25 Aug 2026US 12,715,962 B2Toray Industries, Inc.
- Anion exchange polymers and membranes for electrolysis25 Aug 2026US 12,715,968 B2Uop LLC
- Fluorine-containing compound having sulfonic acid group and polymer electrolyte fuel cell25 Aug 2026US 12,719,070 B2Nissan Chemical Corporation
- Antioxidant for fuel cell having antioxidative property and proton conductivity and producing method thereof30 Jun 2026US 12,668,665 B2Hyundai Motor Company
- Ion exchange membranes8 Oct 2026US 2026/0312108 A1Khalifa University of Science and Technology
- Composite ion-conducting membrane1 Oct 2026US 2026/0302300 A1Johnson Matthey Hydrogen Technologies Limited
- Free-radical protected membranes24 Sep 2026US 2026/0290867 A1Celadyne Technologies, inc.
- Selective transport layer for a proton exchange membrane24 Sep 2026US 2026/0290868 A1GM Global Technology Operations LLC
- Polyelectrolyte membrane having, as base therefor, polymer having high density of acidic functional groups10 Sep 2026US 2026/0265431 A1National University Corporation Tokai National Higher Education and Research System
Most cited
By later US patents
- Composite solid polymer electrolyte membranes346US 7,550,216 B2Foster-Miller, Inc. · 2009
- Solid polymer electrolyte composition88US 5,766,787 AMasahiro Watanabe · 1998
- Polymer material for electrolytic membranes in fuel cells83US 5,795,496 ACalifornia Institute of Technology · 1998
- Process for continuous production of membrane-electrode composites53US 6,197,147 B1Hoescht Research & Technology Deutschland GmbH & Co. KG · 2001
- Crosslinked ion conductive membranes49US 6,090,895 A3M Innovative Properties Company · 2000