Class C25C : PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
Subclass 3/08: Electrolytic production, recovery or refining of metals by electrolysis of melts (C25C 5/00 takes precedence) of aluminium Cell construction, e.g. bottoms, walls, cathodes
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12173420 | Electrowinning cell for the production of lithium and method of using same | Jan 21, 22 | Dec 24, 24 | Li-Metal Corp. |
| 12091765 | Apparatuses and systems for vertical electrolysis cells | Dec 20, 21 | Sep 17, 24 | Alcoa USA Corp. |
| 11891711 | Material components protection against the corrosive action cryolite melts in aluminium reduction cells | Oct 06, 22 | Feb 06, 24 | Not available |
| 11697594 | Method for recycling spent carbon cathode of aluminum electrolysis | Jan 16, 21 | Jul 11, 23 | Central South University |
| 11629419 | Anode for aluminium electrolysis | Dec 17, 19 | Apr 18, 23 | R + D CARBON LTD |
| 11624119 | Centrifugal molten electrolysis reactor for oxygen, volatiles, and metals extraction from extraterrestrial regolith | Sep 05, 20 | Apr 11, 23 | Not available |
| 11591703 | Systems and methods for molten oxide electrolysis | Sep 17, 18 | Feb 28, 23 | Boston Electrometallurgical Corporation |
| 11585003 | Electrode configurations for electrolytic cells and related methods | Jul 09, 21 | Feb 21, 23 | ELYSIS LIMITED PARTNERSHIP |
| 11566335 | Formation of lining layers in the cathode shells of aluminum electrolytic reduction cells | Sep 07, 18 | Jan 31, 23 | Obshchestvo S Ogranichennoy Otvetstvennost'Yu “Obedinennaya Kompaniya Rusal Inzhenerno-Tekhnologicheskiy Tsentr” |
| 11519090 | Method and apparatus for producing electrolytic aluminum foil | Jun 11, 19 | Dec 06, 22 | UACJ CORPORATION |
| 11492716 | Material components protection against the corrosive action cryolite melts in aluminium reduction cells | Apr 16, 19 | Nov 08, 22 | LABORATOIRE CIR INC. |
| 11466377 | Method for providing a cathode lining barrier layer in an electrolysis cell and a material for same | Sep 03, 19 | Oct 11, 22 | Norsk Hydro ASA |
| 11434428 | Coke with additives | Jan 30, 17 | Sep 06, 22 | TOKAI COBEX GMBH |
| 11339489 | Cathode block having a slot geometry | Jun 14, 17 | May 24, 22 | TOKAI COBEX GMBH |
| 11286574 | Cathode current collector/connector for a Hall-Heroult cell | Jul 26, 17 | Mar 29, 22 | TOKAI COBEX GMBH |
| 11242604 | Cathode assembly for the production of aluminum | Jul 26, 17 | Feb 08, 22 | COBEX GmbH |
| 11203814 | Apparatuses and systems for vertical electrolysis cells | Mar 30, 17 | Dec 21, 21 | Alcoa USA Corp. |
| 11180862 | Advanced aluminum electrolysis cell | Jul 07, 17 | Nov 23, 21 | ELYSIS LIMITED PARTNERSHIP |
| 11098388 | Aluminum hydroxide solar powered thermal reduction device for aluminum-air fuel cell | May 09, 17 | Aug 24, 21 | LANZHOU JINFULE BIOTECHNOLOGY CO. LTD.; SPRING POWER LIMITED; |
| 11060199 | Electrode configurations for electrolytic cells and related methods | Sep 16, 19 | Jul 13, 21 | ELYSIS LIMITED PARTNERSHIP |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0084,553 | Method And System For Molten Oxide Electrolysis | Mar 22, 24 | Mar 13, 25 | Lunar Resources, Inc. |
| 2024/0426,016 | INERT ANODE ALUMINUM ELECTROLYTIC CELL WITH VERTICAL STRUCTURE | Mar 23, 23 | Dec 26, 24 | ZHENGZHOU NON-FERROUS METALS RESEARCH INSTITUTE CO. LTD OF CHALCO |
| 2024/0425,378 | ELECTRODES FOR ALUMINUM ELECTROLYSIS CELLS AND METHODS OF MAKING THE SAME | Sep 10, 24 | Dec 26, 24 | Not available |
| 2024/0295,043 | ADVANCED PURIFICATION CELL FOR ALUMINUM SCRAP RECYCLING | May 14, 24 | Sep 05, 24 | Not available |
| 2024/0287,695 | ADVANCED PURIFICATION CELL FOR ALUMINUM SCRAP RECYCLING | May 07, 24 | Aug 29, 24 | Not available |
| 2024/0247,391 | METHOD FOR PRODUCING METALLIC ALUMINUM AND POLYSILICON WITH HIGH-SILICON ALUMINUM-CONTAINING RESOURCE | Apr 21, 22 | Jul 25, 24 | ZHENGZHOU UNIVERSITY |
| 2024/0240,341 | MATERIAL COMPONENTS PROTECTION AGAINST THE CORROSIVE ACTION CRYOLITE MELTS IN ALUMINIUM REDUCTION CELLS | Dec 12, 23 | Jul 18, 24 | Not available |
| 2024/0240,342 | CATHODE CURRENT COLLECTOR BAR OF AN ALUMINIUM PRODUCTION CELL | Jan 24, 22 | Jul 18, 24 | Novalum SA; TOKAI COBEX GMBH; |
| 2024/0141,529 | METHOD FOR PRODUCING METAL ALUMINUM BY MOLTEN SALT ELECTROLYSIS OF ALUMINUM OXIDE | Apr 25, 22 | May 02, 24 | Central South University |
| 2024/0035,181 | METHOD FOR PRODUCING A CATHODE STEEL BAR WITH COPPER INSERT, AND METHOD FOR REMOVING A COPPER INSERT FROM A USED CATHODE BAR | Dec 17, 21 | Feb 01, 24 | Not available |
| 2023/0121,723 | FORMATION OF LINING LAYERS IN THE CATHODE SHELLS OF ALUMINIUM ELECTROLYTIC REDUCTION CELLS | Dec 21, 22 | Apr 20, 23 | Not available |
| 2023/0110,453 | ENVIRONMENT FRIENDLY COLD RAMMING MIXTURE | Sep 30, 22 | Apr 13, 23 | Not available |
| 2021/0363,652 | MULTILAYER TRANSITION JOINT FOR ALUMINUM SMELTER AND METHOD OF MAKING | Apr 04, 19 | Nov 25, 21 | DMC Global Inc. |
| 2021/0355,591 | CATHODE ASSEMBLY FOR AN ELECTROLYTIC CELL | Feb 14, 19 | Nov 18, 21 | Not available |
| 2019/0048,484 | METHOD FOR LINING A CATHODE OF A REDUCTION CELL FOR PRODUCTION OF PRIMARY ALUMINUM | Dec 30, 16 | Feb 14, 19 | United Company RUSAL Engineering and Technology Centre LLC |
| 2019/0032,232 | SYSTEMS AND METHODS OF PROTECTING ELECTROLYSIS CELLS | Oct 03, 18 | Jan 31, 19 | Alcoa USA Corp. |
| 2018/0282,888 | CATHODE BOTTOM FOR PRODUCING ALUMINUM | Sep 16, 16 | Oct 04, 18 | SGL CFL CE GMBH |
| 2018/0223,441 | METHOD FOR LINING A CATHODE ASSEMBLY OF A REDUCTION CELL FOR PRODUCTION OF PRIMARY ALUMINUM (VARIANTS) | Jul 07, 16 | Aug 09, 18 | United Company RUSAL Engineering and Technology Centre LLC |
| 2018/0087,167 | AN ASSEMBLY BODY AND ELECTRODE FOR ELECTROLYSIS | May 26, 15 | Mar 29, 18 | 501 TDK Corporation; RIO TINTO ALCAN INTERNATIONAL LIMITED; |
| 2016/0258,072 | SYSTEMS AND METHODS OF PROTECTING ELECTROLYSIS CELLS | May 16, 16 | Sep 08, 16 | ALCOA USA CORP. |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
