C25B 1/50
Processes
C25B1/50 (Processes) appears on 641 US grants and 1,016 published applications in this corpus.
Search patents in C25B- Granted patents
- 641
- Published applications
- 1,016
- Assignees
- 505
- Inventors
- 2,065
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 13 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 5 |
| 2003 | 2 | 5 |
| 2004 | 1 | 4 |
| 2005 | 4 | 17 |
| 2006 | 3 | 7 |
| 2007 | 3 | 8 |
| 2008 | 3 | 14 |
| 2009 | 8 | 14 |
| 2010 | 5 | 26 |
| 2011 | 12 | 23 |
| 2012 | 9 | 41 |
| 2013 | 14 | 52 |
| 2014 | 25 | 46 |
| 2015 | 29 | 59 |
| 2016 | 22 | 62 |
| 2017 | 37 | 57 |
| 2018 | 39 | 43 |
| 2019 | 49 | 57 |
| 2020 | 33 | 46 |
| 2021 | 33 | 86 |
| 2022 | 40 | 89 |
| 2023 | 54 | 81 |
| 2024 | 43 | 63 |
| 2025 | 38 | 71 |
| 2026 | 24 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrogen station, control unit for hydrogen station, and program for hydrogen station8 Sep 2026US 12,729,446 B2Yazaki Corporation
- Devices and methods for electrocatalytic hydrogen production8 Sep 2026US 12,729,449 B2Board of Trustees of the University of Arkansas
- Hybrid power plant for autonomously supplying energy to buildings and industrial facilities1 Sep 2026US 12,723,199 B2Igas Energy GmbH
- Ammonia manufacturing apparatus and ammonia manufacturing method1 Sep 2026US 12,723,315 B2Kabushiki Kaisha Toshiba
- Lithium-mediated electrochemical ammonia synthesis11 Aug 2026US 12,703,921 B2Carnegie Mellon University
- Additives for improved electrolyzer durability8 Oct 2026US 2026/0308776 A1The Lubrizol Corporation
- Devices, systems, and methods for the electrochemical generation of base/acid and deionization of saline water1 Oct 2026US 2026/0297762 A1Capture6 Corp
- Natural gas reforming system and process thereof17 Sep 2026US 2026/0274662 A1Doosan Enerbility Co., Ltd.
- System and method for making green hydrogen10 Sep 2026US 2026/0265925 A1Power & Concepts, LLC DBA The Chrysler Group
- Method of Producing Hydrogen From Water Using Renewable Energy10 Sep 2026US 2026/0265927 A1LSG Partners, LLC
Most cited
By later US patents
- Organic conductive films for semiconductor electrodes424US 4,461,691 AThe United States of America as represented by the United States Department of Energy · 1984
- Gas fixation solar cell using gas diffusion semiconductor electrode151US 4,240,882 AInstitute of Gas Technology · 1980
- Chemical anchoring of organic conducting polymers to semiconducting surfaces135US 4,476,003 AThe United States of America as represented by the United States Department of Energy · 1984
- Photoelectrochemical system and a method of using the same118US 4,381,978 AEngelhard Corporation · 1983
- Highly conductive photoelectrochemical electrodes and uses thereof112US 4,521,499 AUnion Oil Company of California · 1985