C25B 9/50
Cells or assemblies of cells comprising photoelectrodes
Official title: Cells or assemblies of cells comprising photoelectrodes; Assemblies of constructional parts thereof
C25B9/50 (Cells or assemblies of cells comprising photoelectrodes) appears on 80 US grants and 195 published applications in this corpus.
Search patents in C25B- Granted patents
- 80
- Published applications
- 195
- Assignees
- 99
- Inventors
- 411
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 5 |
| 2014 | 0 | 6 |
| 2015 | 1 | 6 |
| 2016 | 3 | 14 |
| 2017 | 7 | 14 |
| 2018 | 6 | 7 |
| 2019 | 12 | 9 |
| 2020 | 5 | 13 |
| 2021 | 5 | 19 |
| 2022 | 7 | 18 |
| 2023 | 13 | 20 |
| 2024 | 5 | 28 |
| 2025 | 10 | 20 |
| 2026 | 3 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Film of graphitic carbon nitride for photoanode and a method for forming the same14 Jul 2026US 12,680,182 B2City University of Hong Kong
- (Bi)metal sulfide polymer composite material, and its use as catalyst for hydrogen production17 Mar 2026US 12,576,397 B2Centre National De La Recherche Scientifique
- Photo-enhanced electro-catalytic (PEEC) process10 Mar 2026US 12,571,113 B2Space Age Technologies, LLC
- Method for generating hydrogen gas30 Dec 2025US 12,509,784 B2King Fahd University of Petroleum and Minerals
- Methods and systems for photo-activated hydrogen generation2 Dec 2025US 12,485,409 B2BOMAX Hydrogen LLC
- Continuous flow photocatalytic reactor and photochemical continuous conversion method of gas20 Aug 2026US 2026/0241362 A1
- Respiration of nanoparticles by electrogenic bacteria for photo-catalytic hydrogen evolution13 Aug 2026US 2026/0234673 A1University of Rochester
- Hybrid electrode comprising plasmonic nanoparticles and electrolysis system comprising the same30 Jul 2026US 2026/0218401 A1Poetics Hydrogen Inc.
- Water electrolysis cell for use in water electrolysis apparatus, and water electrolysis apparatus23 Jul 2026US 2026/0209954 A1Panasonic Holdings Corporation
- Hydrogen production via seawater splitting23 Jul 2026US 2026/0209956 A1The Regents of the University of Michigan
Most cited
By later US patents
- Photoelectrochemical reduction of carbon oxides105US 5,022,970 AGas Research Institute · 1991
- System for the manufacture of methanol and simultaneous abatement of emission of greenhouse gases67US 5,443,804 ASolar Reactor Technologies, Inc. · 1995
- Solar powered CO2 conversion12US 9,528,192 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2016
- Photoelectrochemical generation of hydrogen10US 8,388,818 B12013
- Axially-integrated epitaxially-grown tandem wire arrays7US 10,090,425 B2California Institute of Technology · 2018