C25B 15/04
Regulation of the inter-electrode distance
C25B15/04 (Regulation of the inter-electrode distance) appears on 36 US grants and 49 published applications in this corpus.
Search patents in C25B- Granted patents
- 36
- Published applications
- 49
- Assignees
- 45
- Inventors
- 127
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 3 | 4 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 2 | 3 |
| 2022 | 1 | 5 |
| 2023 | 1 | 7 |
| 2024 | 3 | 4 |
| 2025 | 0 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Flow cell for electrochemical ammonia synthesis12 Mar 2026US 2026/0071335 A1Danmarks Tekniske Universitet
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Most cited
By later US patents
- Sintered laminated structures, electrochemical cells and process for producing such sintered laminated structures26US 5,964,991 ANGK Insulators, Ltd. · 1999
- Pneumatic anode positioning system13US 4,210,513 AAluminum Company of America · 1980
- Sintered laminated structures, electrochemical cells and process for producing such sintered laminated structures11US 6,183,609 B2NGK Insulators, Ltd. · 2001
- System for the co-production of electricity and hydrogen11US 7,276,306 B2The Regents of the University of California · 2007
- Apparatus for regulating anode-cathode spacing in an electrolytic cell7US 4,098,666 AOlin Corporation · 1978