Assignee
VALE DO RIO DOCE CO
BR·17 granted patents·2 pending applications·140 citations·filing 1997–2006
Top patents by PatentIndex Score
19 records- 0168US7964016B2Process for extraction of nickel, cobalt, and other base metals from laterite ores by using heap leaching and product containing nickel, cobalt, and other metals from laterite oresVALE DO RIO DOCE CO·Filed 2006·Granted Jun 21, 2011·7 cites·19 claims
- 0268US7618601B2Process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with low contents of rare earth and radioactive elementsVALE DO RIO DOCE CO·Filed 2006·Granted Nov 17, 2009·5 cites·22 claims
- 0354US7226495B1Method to increase the adherence of coating materials on ferrous materialsVALE DO RIO DOCE CO·Filed 2000·Granted Jun 5, 2007·5 cites·10 claims
- 0452US5988361ASplit load cradle for conveyor beltsVALE DO RIO DOCE CO·Filed 1998·Granted Nov 23, 1999·22 cites·6 claims
- 0550US7572418B2Process to obtain titanium concentrates with high contents of TiO2 and low contents of radionuclide elements from anatase mechanical concentratesVALE DO RIO DOCE CO·Filed 2004·Granted Aug 11, 2009·4 cites·7 claims
- 0650US6089962AMachine for polishing railway vehicle wheel axlesVALE DO RIO DOCE CO·Filed 1998·Granted Jul 18, 2000·23 cites·6 claims
- 0742US6346223B2Process for the production of titanium concentrate from anatase ores with high utilization of the iron contents of the oreVALE DO RIO DOCE CO·Filed 1998·Granted Feb 12, 2002·10 cites·15 claims
- 0837US6171562B1Process for the extraction and elimination of deleterious material from natural manganese dioxide and concentrate of manganese dioxide obtained by said processVALE DO RIO DOCE CO·Filed 1998·Granted Jan 9, 2001·8 cites·7 claims
- 0935US6189840B1Roller device for displacement of railroad switching railsVALE DO RIO DOCE CO·Filed 1999·Granted Feb 20, 2001·18 cites·1 claims
- 1034US5908166AProcess for iron ore pellets productionVALE DO RIO DOCE CO·Filed 1997·Granted Jun 1, 1999·10 cites·10 claims
- 1134US2008143026A1Material for Coating Iron Ore Pelletizing Disks and Drums and a Constructive Arrangement for Pelletizing Disks and DrumsVALE DO RIO DOCE CO·Filed 2006·Application pending·0 cites
- 1232US2008286182A1Combined Leaching ProcessVALE DO RIO DOCE CO·Filed 2006·Application pending·0 cites
- 1331US5913495AAuxiliary support for vibration data collection sensorVALE DO RIO DOCE CO·Filed 1997·Granted Jun 22, 1999·11 cites·3 claims
- 1427US6656414B2Device for continuously measuring the temperature in pelletizing furnacesVALE DO RIO DOCE CO·Filed 2001·Granted Dec 2, 2003·0 cites·7 claims
- 1523US5966848ATooth of ore recovery bucketsVALE DO RIO DOCE CO·Filed 1997·Granted Oct 19, 1999·8 cites·1 claims
- 1617US6217318B1Grate bar for pelletizing and sintering furnacesVALE DO RIO DOCE CO·Filed 1999·Granted Apr 17, 2001·4 cites·7 claims
- 1715US6102460ADevice for supporting tamping bench armsVALE DO RIO DOCE CO·Filed 1999·Granted Aug 15, 2000·4 cites·2 claims
- 1814US6115896AMaintenance device for flat filter head valvesVALE DO RIO DOCE CO·Filed 1998·Granted Sep 12, 2000·1 cites·6 claims
- 1910US6008890APositioning system for the arm of ore car turning equipmentVALE DO RIO DOCE CO·Filed 1997·Granted Dec 28, 1999·0 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →