C25B 11/0771
Of the spinel type
Official title: {of the spinel type}
C25B11/0771 (Of the spinel type) appears on 21 US grants and 23 published applications in this corpus.
Search patents in C25B- Granted patents
- 21
- Published applications
- 23
- Assignees
- 26
- Inventors
- 89
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 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 | 0 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 6 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molybdenum-doped zinc/cobalt oxide electrocatalyst for hydrogen production15 Apr 2025US 12,276,034 B1King Fahd University of Petroleum and Minerals
- Anode for alkaline water electrolysis and method for producing same23 Apr 2024US 11,965,256 B2De Nora Permelec Ltd
- Electrolysis electrode and method for manufacturing same9 Jan 2024US 11,866,834 B2De Nora Permelec Ltd
- Trimetallic layered double hydroxide composition9 May 2023US 11,643,740 B2Kohodo Hydrogen Energy Pty Ltd
- Method and apparatus for water electrolysis, and method for determining drive potential of water electrolysis7 Feb 2023US 11,572,630 B2Riken
- Mixed ferrite nanoparticles and uses thereof27 Aug 2026US 2026/0250149 A1Institut National De La Recherche Scientifique
- Reactor comprising an extractive membrane, preparation and use23 Apr 2026US 2026/0110101 A1Totalenergies Onetech
- Water splitting electrode1 Jan 2026US 2026/0002273 A1King Fahd University of Petroleum and Minerals
- Transition metal-doped oxide nanoparticles grown on nickel foam for electrochemical generation of hydrogen27 Nov 2025US 2025/0361631 A1King Fahd University of Petroleum and Minerals
- Method of producing electrocatalyst coated electrode by electrochemical oxidation25 Sep 2025US 2025/0297386 A1Verdagy, Inc.
Most cited
By later US patents
- Electrolytic cell anode structures containing cobalt spinels23US 4,061,549 AThe Dow Chemical Company · 1977
- Insoluble electrode for electrolysis19US 3,977,958 AThe Dow Chemical Company · 1976
- Process for preparing an electrode for electrolytic cell having a coating of a single metal spinel, Co.sub.3 O.sub.419US 4,142,005 AThe Dow Chemical Company · 1979
- Substituted cobalt oxide spinels16US 4,369,105 AThe Dow Chemical Company · 1983
- Process for the electrolytic production of hydrogen in an alkaline12US 4,243,497 ASolvay & Cie · 1981