Patent assignee · AU · COMPANY

TECHNOLOGICAL RESOURCES PTY LIMITED

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208Patents
144Active
208Granted
55Portfolio score

Filing activity: Mar 3, 1993 → May 7, 2024 · 67 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6122343A Method and an apparatus for analyzing a material Physics 85 Expired
US6267799A Method of producing metals and metal alloys Emerging Cross-Sectional Technologies 78 Expired
US5396850A Treatment of waste Human Necessities 71 Expired
US6083296A Method of producing metals and metal alloys Emerging Cross-Sectional Technologies 45 Expired
US8562903B2 Direct smelting plant Emerging Cross-Sectional Technologies 43 Active
US6322745A Direct smelting vessel and direct smelting process Emerging Cross-Sectional Technologies 43 Expired
US6143054A Process of producing molten metals Emerging Cross-Sectional Technologies 42 Expired
US6428603B1 Direct smelting process Emerging Cross-Sectional Technologies 39 Expired
US6379424B1 Direct smelting apparatus and process Emerging Cross-Sectional Technologies 38 Expired
US6440195B1 Process and an apparatus for producing metals and metal alloys Emerging Cross-Sectional Technologies 35 Expired
US6423114B1 Pressure control Emerging Cross-Sectional Technologies 35 Expired
US6517605B1 Start-up procedure for direct smelting process Emerging Cross-Sectional Technologies 34 Expired
US6423115B1 Direct smelting process Emerging Cross-Sectional Technologies 33 Expired
US6478848B1 Direct smelting process Emerging Cross-Sectional Technologies 32 Expired
US6402808B1 Direct smelting process Emerging Cross-Sectional Technologies 32 Expired
US6585929B1 Direct smelting vessel Emerging Cross-Sectional Technologies 32 Expired
US6387153B1 Stable idle procedure Chemistry; Metallurgy 31 Expired
US6379422B1 Direct smelting process Emerging Cross-Sectional Technologies 31 Expired
US6328783A Producing iron from solid iron carbide Chemistry; Metallurgy 30 Expired
US6270553A Direct reduction of metal oxide agglomerates Emerging Cross-Sectional Technologies 30 Expired
US6602321B2 Direct smelting process Emerging Cross-Sectional Technologies 30 Expired
US6475264B1 Direct smelting process Emerging Cross-Sectional Technologies 29 Expired
US7914601B2 Cold start-up method for a direct smelting process Emerging Cross-Sectional Technologies 28 Active
US5640708A Treatment of waste Emerging Cross-Sectional Technologies 26 Expired
US5518523A Converter process for the production of iron Emerging Cross-Sectional Technologies 26 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.