Assignee
KOREA ZINC CO LTD
KR·15 granted patents·16 pending applications·13 citations·filing 2000–2024
Top patents by PatentIndex Score
31 records- 0198US12034133B1Automated battery disassembly systemKOREA ZINC CO LTD·Filed 2023·Granted Jul 9, 2024·2 cites·8 claims
- 0294US11926882B1Method for producing aqueous solution containing nickel or cobaltKOREA ZINC CO LTD·Filed 2023·Granted Mar 12, 2024·4 cites·22 claims
- 0392US12046727B2Method for recovery of valuable metals from spent secondary batteriesKOREA ZINC CO LTD·Filed 2023·Granted Jul 23, 2024·1 cites·8 claims
- 0491US12091326B2Method for producing manganese(II) sulfate monohydrate from by-product of zinc refining processKOREA ZINC CO LTD·Filed 2023·Granted Sep 17, 2024·1 cites·16 claims
- 0583US2024372167A1Automated battery disassembly systemKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 0680US2024286921A1Method for producing nickel sulfate solution for secondary battery from nickel cathodeKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 0780US2024218482A1Method for recovery of valuable metals from spent secondary batteriesKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 0879US12258282B2Method for producing nickel sulfate solution for secondary battery from nickel cathodeKOREA ZINC CO LTD·Filed 2023·Granted Mar 25, 2025·0 cites·1 claims
- 0978US2024014457A1Method for producing secondary battery material from black massKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 1075US12509744B2Method for preparing nickel sulfate aqueous solution from nickel-containing raw materialKOREA ZINC CO LTD·Filed 2024·Granted Dec 30, 2025·0 cites·30 claims
- 1175US2024228311A1Method for producing secondary battery material from black massKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 1274US12385108B2All-in-one nickel recovering method for nickel hydroxide recovery from raw materials containing nickelKOREA ZINC CO LTD·Filed 2024·Granted Aug 12, 2025·0 cites·23 claims
- 1374US12325894B2All-in-one nickel recovering method for nickel metal recovery from raw materials containing nickelKOREA ZINC CO LTD·Filed 2024·Granted Jun 10, 2025·0 cites·24 claims
- 1473US12516398B2All-in-one nickel recovering method for recovery of nickel oxide from raw materials containing nickelKOREA ZINC CO LTD·Filed 2024·Granted Jan 6, 2026·0 cites·24 claims
- 1573US2024286920A1Method for producing manganese(ii) sulfate monohydrate from by-product of zinc refining processKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 1668US2025066875A1All-in-one nickel recovering method for nickel recovery from raw materials containing nickelKOREA ZINC CO LTD·Filed 2024·Application pending·0 cites
- 1766US12163204B2Method for producing aqueous solution containing nickel, cobalt and manganeseKOREA ZINC CO LTD·Filed 2023·Granted Dec 10, 2024·0 cites·17 claims
- 1866US2024368729A1Method for removing halide from waelz oxideKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 1966US2024218479A1Method for processing by-product of zinc hydrometallurgical process with reduced carbon emissionKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 2065US6461489B1Cathode plate for electro winning and refiningKOREA ZINC CO LTD·Filed 2000·Granted Oct 8, 2002·5 cites·9 claims
- 2164US2024368730A1Method for leaching copper using pressure leaching techniqueKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 2263US2024376565A1Method for removing chlorine in zinc hydrometallurgyKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 2362US2025293328A1Dismantling system of spent lithium ion battery packKOREA ZINC CO LTD·Filed 2024·Application pending·0 cites
- 2458US12221716B2Method of manufacturing copper sulfate electrolyteKOREA ZINC CO LTD·Filed 2023·Granted Feb 11, 2025·0 cites·11 claims
- 2557US2024344173A1Method for manufacturing high-grade refined iron oxide from iron oxide as by-product of zinc smelting processKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 2655US2024327936A1Method for recovering iron and valuable metals from electric arc furnace dustKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 2755US2024360578A1Method for manufacturing electrolytic copper foilKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 2855US2025019852A1Method of controlling properties of electrolytic copper foil and manufacturing the sameKOREA ZINC CO LTD·Filed 2023·Application pending·0 cites
- 2949US10584398B2Autoclave and method for removing salt from autoclaveKOREA ZINC CO LTD·Filed 2019·Granted Mar 10, 2020·0 cites·30 claims
- 3045US11001507B2Method of recovering iron from zinc sulphate solutionKOREA ZINC CO LTD·Filed 2019·Granted May 11, 2021·0 cites·11 claims
- 3126US6669894B2Roaster with stabilized fluidized bed for roasting zinc concentrateKOREA ZINC CO LTD·Filed 2002·Granted Dec 30, 2003·0 cites·2 claims
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