Description
Class C25C : PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
Subclass 3/00: Electrolytic production, recovery or refining of metals by electrolysis of melts (C25C 5/00 takes precedence)
C25C 3/00
Sub-Class
Stats
- 96 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 46 Total Patent Owners
- 596 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215436 | Treatment of metal ores | Oct 07, 22 | Feb 04, 25 | Not available |
| 12203187 | Apparatus and method for operating an electrolytic cell | Feb 24, 22 | Jan 21, 25 | ELYSIS LIMITED PARTNERSHIP |
| 12152309 | Energy-saving system and method for extracting titanium | Dec 11, 19 | Nov 26, 24 | ZHEJIANG HAIHONG HOLDING GROUP CO., LTD. |
| 12091765 | Apparatuses and systems for vertical electrolysis cells | Dec 20, 21 | Sep 17, 24 | Alcoa USA Corp. |
| 12006582 | Apparatus and method for controlled alumina supply | May 17, 19 | Jun 11, 24 | REEL Alesa AG |
| 11970782 | Method of aluminum-scandium alloy production | Mar 15, 19 | Apr 30, 24 | FEA MATERIALS LLC |
| 11788171 | Methods of recovering an elemental rare earth metal, and methods of forming a rare earth metal | Feb 25, 21 | Oct 17, 23 | Battelle Energy Alliance LLC |
| 11624119 | Centrifugal molten electrolysis reactor for oxygen, volatiles, and metals extraction from extraterrestrial regolith | Sep 05, 20 | Apr 11, 23 | Not available |
| 11486048 | Method and apparatus for electrolytic reduction of feedstock elements, made from feedstock, in a melt | Feb 06, 20 | Nov 01, 22 | Velta Holdings US Inc.; RD Titan Group, TOV; |
| 11486046 | Production of sodium metal by dual temperature electrolysis processes | Mar 04, 21 | Nov 01, 22 | ENLIGHTEN INNOVATIONS INC. |
| 11401617 | Molten salt electrorefiner | Nov 28, 18 | Aug 02, 22 | KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY |
| 11390933 | System, apparatus, and process for leaching metal and storing thermal energy during metal extraction | Sep 16, 20 | Jul 19, 22 | CLEAN RESOURCES PTE. LTD; The Arizona Board of Regent on Behalf of The University of Arizona; |
| 11280012 | Method for manufacturing metal lithium | Jun 07, 16 | Mar 22, 22 | RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY |
| 11261532 | Method and apparatus for electrolytic reduction of a feedstock comprising oxygen and a first metal | Aug 26, 19 | Mar 01, 22 | Metalysis Limited |
| 11149356 | Methods of forming metals using ionic liquids | Dec 19, 17 | Oct 19, 21 | Battelle Energy Alliance LLC |
| 10907238 | System apparatus and process for leaching metal and storing thermal energy during metal extraction | Sep 08, 15 | Feb 02, 21 | METOXS PTE. LTD; The Arizona Board of Regents on behalf of The University of Arizona; |
| 10837084 | Molten salt electrolyzer, and method for producing metal magnesium using the same and method for producing a titanium sponge | Jul 27, 16 | Nov 17, 20 | TOHO TITANIUM CO. LTD |
| 10689770 | Modified electrolysis cell and a method for modifying same | Dec 22, 15 | Jun 23, 20 | Norsk Hydro ASA |
| 10648094 | Insulation assembly for electrolysis cell | Jan 26, 17 | May 12, 20 | ELYSIS LIMITED PARTNERSHIP |
| 10626514 | Ion-selective composite materials and method of preparation | Apr 27, 17 | Apr 21, 20 | Massachusetts Institute of Technology; Total Energies Nouvelles Activites USA; Total SA; |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0337,037 | Methods of Forming a Metal Material from a Metal Oxide Material by Electrochemical Reduction and Related Systems and Articles | Apr 03, 24 | Oct 10, 24 | Not available |
| 2013/0327,653 | METHOD AND SYSTEM FOR ELECTROLYTICALLY REDUCING A SOLID FEEDSTOCK | Nov 18, 11 | Dec 12, 13 | METALYSIS LIMITED |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 39 Months (last 2 years Issuances)
- 39 Months (last 5 years Issuances)