C25B 13/08
Based on organic materials
Official title: based on organic materials
C25B13/08 (Based on organic materials) appears on 506 US grants and 833 published applications in this corpus.
Search patents in C25B- Granted patents
- 506
- Published applications
- 833
- Assignees
- 389
- Inventors
- 1,946
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 12 | 0 |
| 1980 | 14 | 0 |
| 1981 | 11 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 10 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 5 |
| 2003 | 3 | 5 |
| 2004 | 1 | 7 |
| 2005 | 0 | 4 |
| 2006 | 3 | 7 |
| 2007 | 2 | 5 |
| 2008 | 5 | 7 |
| 2009 | 3 | 15 |
| 2010 | 2 | 3 |
| 2011 | 6 | 7 |
| 2012 | 5 | 9 |
| 2013 | 5 | 14 |
| 2014 | 13 | 26 |
| 2015 | 13 | 12 |
| 2016 | 12 | 28 |
| 2017 | 20 | 34 |
| 2018 | 13 | 23 |
| 2019 | 21 | 41 |
| 2020 | 22 | 51 |
| 2021 | 25 | 39 |
| 2022 | 29 | 65 |
| 2023 | 30 | 65 |
| 2024 | 34 | 117 |
| 2025 | 49 | 135 |
| 2026 | 27 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane electrode assembly for PEM water electrolysis capable of improving the electrical conductivity of the electrode layer and method of manufacturing thereof6 Oct 2026US 12,753,520 B2Korea Institute of Energy Research
- Hydrophilic member with cation and anion conducting membranes22 Sep 2026US 12,742,247 B2Ohmium International, Inc.
- Multilayer reinforced composite electrolyte membrane and method for manufacturing same15 Sep 2026US 12,735,796 B2Korea Institute of Science and Technology
- 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
- Polymerizable composition, ion exchange resin, ion exchange membrane, membrane electrode assembly, and hydrogen production device8 Oct 2026US 2026/0308295 A1Tokuyama Corporation
- Additives for improved electrolyzer durability8 Oct 2026US 2026/0308776 A1The Lubrizol Corporation
- Additives for improved electrolyzer durability8 Oct 2026US 2026/0308791 A1The Lubrizol Corporation
- Electro-synthetic or electro-energy cell, system, and method of operation8 Oct 2026US 2026/0312090 A1Hysata Pty Ltd
- Electrolyte membrane, catalyst-coated electrolyte membrane and transfer sheet used for production thereof, membrane electrode assembly, water electrolysis device, and method of producing catalyst-coated electrolyte membrane1 Oct 2026US 2026/0297766 A1Toray Industries, Inc.
Most cited
By later US patents
- Ionic semiconductor materials and applications thereof795US 5,055,171 AT and G Corporation · 1991
- Ultra-thin integral composite membrane242US 5,547,551 AW. L. Gore & Associates, Inc. · 1996
- Method of making polytetrafluoroethylene composite sheet203US 4,153,661 AMinnesota Mining and Manufacturing Company · 1979
- Electrolytic cell with composite, porous diaphragm164US 5,183,545 A1993
- Integral composite membrane150US 5,599,614 AW. L. Gore & Associates, Inc. · 1997