H01M 8/1086
After-treatment of the membrane other than by polymerisation
H01M8/1086 (After-treatment of the membrane other than by polymerisation) appears on 366 US grants and 535 published applications in this corpus.
Search patents in H01M- Granted patents
- 366
- Published applications
- 535
- Assignees
- 288
- Inventors
- 1,215
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 4 |
| 2002 | 9 | 11 |
| 2003 | 8 | 10 |
| 2004 | 9 | 26 |
| 2005 | 8 | 24 |
| 2006 | 4 | 35 |
| 2007 | 14 | 33 |
| 2008 | 10 | 31 |
| 2009 | 12 | 32 |
| 2010 | 21 | 47 |
| 2011 | 22 | 27 |
| 2012 | 32 | 16 |
| 2013 | 17 | 14 |
| 2014 | 13 | 12 |
| 2015 | 17 | 15 |
| 2016 | 8 | 14 |
| 2017 | 11 | 15 |
| 2018 | 9 | 17 |
| 2019 | 12 | 14 |
| 2020 | 14 | 22 |
| 2021 | 13 | 26 |
| 2022 | 19 | 25 |
| 2023 | 20 | 21 |
| 2024 | 18 | 21 |
| 2025 | 13 | 15 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation process for composite membrane for fuel cells8 Sep 2026US 12,731,805 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Method for producing fluorinated polymer and method for producing fluorinated ion exchange polymer1 Sep 2026US 12,723,119 B2AGC Inc.
- Ionomer for fuel cell capable of self-assembly and method of preparing the same1 Sep 2026US 12,725,820 B2Hyundai Motor Company
- Method of manufacturing highly durable electrolyte membrane for fuel cells1 Sep 2026US 12,725,822 B2Hyundai Motor Company
- Fluorine-containing compound having sulfonic acid group and polymer electrolyte fuel cell25 Aug 2026US 12,719,070 B2Nissan Chemical Corporation
- Elastic sulfonated styrene diene block copolymers8 Oct 2026US 2026/0308343 A1Rensselaer Polytechnic Institute
- A membrane electrode assembly and a method for the manufacture thereof8 Oct 2026US 2026/0312109 A1
- Method for manufacturing polymer electrolyte membrane and membrane-electrode assembly3 Sep 2026US 2026/0260921 A1Heesung Catalysts Corporation
- Ion-conducting membranes, components having the ion-conducting membranes, and processes for forming the same30 Jul 2026US 2026/0221481 A1Vimano Inc.
- Method for manufacturing polymer electrolyte membrane23 Jul 2026US 2026/0213238 A1Kolon Industries, Inc.
Most cited
By later US patents
- Nanowire-based membrane electrode assemblies for fuel cells164US 7,179,561 B2Nanosys, Inc. · 2007
- Membrane electrode assemblies115US 5,910,378 AMinnesota Mining and Manufacturing Company · 1999
- Nanowire-based membrane electrode assemblies for fuel cells109US 7,977,013 B2Nanosys, Inc. · 2011
- Nanowire-based membrane electrode assemblies for fuel cells107US 7,977,007 B2Nanosys, Inc. · 2011
- Polymer material for electrolytic membranes in fuel cells83US 5,795,496 ACalifornia Institute of Technology · 1998