Methods and systems for purifying metals or metal alloys
US-2025257492-A1 · Aug 14, 2025 · US
Electric current supply devices, e.g. bus bars
Electric current supply devices, e.g. bus bars · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C25C3/16 |
| Official title | Electric current supply devices, e.g. bus bars |
| Display label | Electric current supply devices, e.g. bus bars |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 13 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrolysis device, electrolysis system, and electrolysis method for alternating current induction power supply
US-2024425999-A1 · Dec 26, 2024 · US
Systems and methods for energy efficient electrolysis cells
US-2023077624-A1 · Mar 16, 2023 · US
Systems and methods for purifying aluminum
US-11001931-B2 · May 11, 2021 · US
Flexible electrical connectors for electrolytic cells
US-10855040-B2 · Dec 1, 2020 · US
Electrolytic cell intended for the production of aluminium and electrolytic smelter comprising this cell
US-10697074-B2 · Jun 30, 2020 · US
Electrolysis tank comprising an anode assembly contained in a containment enclosure
US-10513788-B2 · Dec 24, 2019 · US
Systems and methods for purifying aluminum
US-2019376197-A1 · Dec 12, 2019 · US
Anode assembly and associated production method
US-10480089-B2 · Nov 19, 2019 · US
Anode assembly
US-10443140-B2 · Oct 15, 2019 · US
Systems and methods for purifying aluminum
US-10407786-B2 · Sep 10, 2019 · US
Aluminum smelter and method to compensate for a magnetic field created by the circulation of the electrolysis current of said aluminum smelter
US-10358733-B2 · Jul 23, 2019 · US
Aluminium smelter comprising a compensating electric circuit
US-10344390-B2 · Jul 9, 2019 · US
Advanced aluminum electrolysis cell
US-2019169761-A1 · Jun 6, 2019 · US
Flexible electrical connectors for electrolytic cells
US-2019165529-A1 · May 30, 2019 · US
Electrolytic device and anode assembly intended for the production of aluminium, electrolytic cell and apparatus comprising such a device
US-10151038-B2 · Dec 11, 2018 · US
Systems and methods of protecting electrolysis cell sidewalls
US-2018209056-A1 · Jul 26, 2018 · US
Anode apparatus
US-2018202059-A1 · Jul 19, 2018 · US
Systems and methods of protecting electrolysis cell sidewalls
US-9957627-B2 · May 1, 2018 · US
Anode apparatus
US-9945041-B2 · Apr 17, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C25C3/16?
- CPC C25C3/16 is the Cooperative Patent Classification code for “Electric current supply devices, e.g. bus bars.”
- How many patents are filed under CPC C25C3/16 (Electric current supply devices, e.g. bus bars)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C25C3/16 growing?
- Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).