C25B 13/05
Based on inorganic materials
Official title: based on inorganic materials
C25B13/05 (Based on inorganic materials) appears on 303 US grants and 549 published applications in this corpus.
Search patents in C25B- Granted patents
- 303
- Published applications
- 549
- Assignees
- 294
- Inventors
- 1,338
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 14 | 0 |
| 1980 | 12 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 7 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 5 |
| 2007 | 0 | 6 |
| 2008 | 1 | 5 |
| 2009 | 0 | 7 |
| 2010 | 3 | 6 |
| 2011 | 8 | 3 |
| 2012 | 6 | 6 |
| 2013 | 2 | 6 |
| 2014 | 5 | 10 |
| 2015 | 5 | 11 |
| 2016 | 7 | 18 |
| 2017 | 8 | 15 |
| 2018 | 6 | 6 |
| 2019 | 12 | 8 |
| 2020 | 3 | 21 |
| 2021 | 12 | 28 |
| 2022 | 8 | 39 |
| 2023 | 20 | 50 |
| 2024 | 23 | 90 |
| 2025 | 25 | 105 |
| 2026 | 25 | 91 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrochemical co-production of hydrogen and carbon monoxide6 Oct 2026US 12,753,519 B2Utility Global, Inc.
- Integrated hydrogen production system and method of use1 Sep 2026US 12,723,313 B2Utility Global, Inc.
- Pump free alkaline electrolyte membrane water electrolytic device25 Aug 2026US 12,716,135 B2The United States of America as represented by the Secretary of the Army
- Separator for water electrolysis25 Aug 2026US 12,716,140 B2Agfa-Gevaert
- Metal-solid oxide composite, preparing method thereof, and solid oxide cell including the same4 Aug 2026US 12,700,606 B2Samsung Electro-Mechanics Co., Ltd.
- Electrode, solid oxide cell including the same, and method of preparing solid oxide cell1 Oct 2026US 2026/0296913 A1Samsung Electro-Mechanics Co., Ltd.
- Electrolyte production device, electrolyte production method, and fluorine gas production method1 Oct 2026US 2026/0297779 A1Resonac Corporation
- 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 membrane24 Sep 2026US 2026/0286542 A1Toray Industries, Inc.
- Membrane electrode assembly and water electrolysis cell24 Sep 2026US 2026/0286543 A1Greenerity GmbH
- Soc stack comprising connection plate24 Sep 2026US 2026/0286545 A1Topsoe A/S
Most cited
By later US patents
- Proton permselective solid-state member and apparatus utilizing said permselective member78US 4,024,036 AAgency of Industrial Science and Technology · 1977
- Method of preparing a membrane consisting of polyantimonic acid powder and an organic binder77US 4,253,936 AStudiecentrum voor Kernenergie, S.C.K. · 1981
- Selective metal cation-conducting ceramics59US 5,580,430 ACeramatec, Inc. · 1996
- Diaphragm process electrolytic cell57US 3,989,615 ANippon Soda Co., Ltd. · 1976
- NaOH production from ceramic electrolytic cell57US 5,290,405 ACeramatec, Inc. · 1994