Assignee
VALE SA
BR62 patents
Top patents by PatentIndex Score
US9073701B2Jul 7, 2015
Bulk material reclaimer control system
VALE SA7 citations77
US9759759B2Sep 12, 2017
Apparatus and method for sensing a leakage current between first and second locations in a single wire earth return circuit
VALE SA4 citations70
US9334915B2May 10, 2016
Pneumatic suspension and vibration isolation system employing low friction cable isolators
VALE SA4 citations70
US9903976B2Feb 27, 2018
Semi-rigid airborne electromagnetic transmitter antenna system
VALE SA2 citations69
US9389281B2Jul 12, 2016
Magnetic compensation circuit and method for compensating the output of a magnetic sensor, responding to changes in a first magnetic field
VALE SA3 citations69
US9440804B2Sep 13, 2016
System of unloading bulk material
VALE SA3 citations66
US10401530B2Sep 3, 2019
Method and system for quality control in gamma-gamma data during mineral exploration
VALE SA2 citations63
US9677155B2Jun 13, 2017
Method for recovering scandium from intermediate products formed in the hydrometallurgical processing of laterite ores
VALE SA5 citations63
US11119243B2Sep 14, 2021
Tracking and spatial location system of magnetic sensors and tracking and location method
VALE SA5 citations60
US10207275B2Feb 19, 2019
Iron ore concentration process with grinding circuit, dry desliming and dry or mixed (dry and wet) concentration
VALE SA4 citations60
US9251420B2Feb 2, 2016
System for mapping and identification of plants using digital image processing and route generation
VALE SA6 citations58
US9587925B2Mar 7, 2017
Rock blasting method and system for adjusting a blasting plan in real time
VALE SA6 citations57
US11473892B2Oct 18, 2022
Vehicle for deposition of explosives in blast holes and method of use
VALE SA4 citations56
US11372409B2Jun 28, 2022
Multi-terrain inspection robotic device and methods for configuring and guiding the same
VALE SA3 citations56
US10543859B2Jan 28, 2020
Railway wheels monitoring system and method
VALE SA5 citations56
US9834950B2Dec 5, 2017
Earth auger and pole machine, and pole installation method
VALE SA3 citations56
US9284170B2Mar 15, 2016
Device for removing hoppers from rail cars
VALE SA5 citations56
US9863702B2Jan 9, 2018
Process for ore moisture reduction in conveyor belts and transfer chutes
VALE SA2 citations55
US9096914B2Aug 4, 2015
Process for the optimized production of iron ore pellets
VALE SA2 citations53
US12535121B2Jan 27, 2026
Apparatus for stabilization of an instrumentation platform
VALE SA0 citations51
US9169532B2Oct 27, 2015
Process for the improvement of reducibility of ore pellets
VALE SA2 citations49
US9346718B2May 24, 2016
Method for recycling a byproduct of the phosphate fertilizer industry, soil conditioner, and soil conditioner manufacturing process
VALE SA2 citations48
US9297922B2Mar 29, 2016
Bucking circuit for annulling a magnetic field
VALE SA1 citations48
US11717834B2Aug 8, 2023
Comminution process of iron ore or iron ore products at natural moisture
VALE SA0 citations46
US11926481B2Mar 12, 2024
Robot device, and method for inspection of components of a belt conveyor
VALE SA0 citations45
US10838100B2Nov 17, 2020
Apparatus and method for data acquisition
VALE SA0 citations45
US10322884B2Jun 18, 2019
Reclaimer control system and method
VALE SA0 citations45
US9150225B2Oct 6, 2015
Safety device for railway vehicles
VALE SA2 citations44
US12162025B2Dec 10, 2024
Process of disposal in piles of tailings stemming from the iron ore processing method
VALE SA0 citations42
US11788169B2Oct 17, 2023
Device and process for inhibiting particulate emission by cooling of displaceable hot products using a conveyor
VALE SA0 citations42
US11453014B2Sep 27, 2022
Concentration process of iron ore slimes
VALE SA0 citations42
US9169534B2Oct 27, 2015
Recovery of base metals from sulphide ores and concentrates
VALE SA0 citations42
US9778393B2Oct 3, 2017
Method and system for density correction for geophysical well logging inside drilling rods
VALE SA0 citations40
US9580769B2Feb 28, 2017
Device for the improvement of crude pellets and pelletizing process
VALE SA1 citations39
US9387490B2Jul 12, 2016
Method for improving selectivity and recovery in the flotation of nickel sulphide ores that contain pyrrhotite by exploiting the synergy of multiple depressants
VALE SA0 citations39
US9541671B2Jan 10, 2017
Method and system for evaluation of gamma-gamma well logging data in mineral exploration
VALE SA0 citations38
US9902657B2Feb 27, 2018
Soil conditioner, and soil conditioner manufacturing process
VALE SA0 citations36
US9156866B1Oct 13, 2015
Methods for recovering bis(2,4,4-trimethylpentyl) dithiophosphinic acid
VALE SA0 citations36
US11066258B2Jul 20, 2021
Control system and control method for rotary car dumpers
VALE SA0 citations35
US9207185B2Dec 8, 2015
Automatic classification of the degree of maturation for iron ore pellets
VALE SA1 citations35
US9121813B2Sep 1, 2015
Automatic morphometry and classification of crystals of iron oxides
VALE SA0 citations35
US12203150B2Jan 21, 2025
Process for the production of iron ore fines agglomerate and the agglomerated product
VALE SA0 citations34
US10151200B2Dec 11, 2018
Ore removal production line, twin ramps and ground support installation method
VALE SA0 citations34
US9266968B2Feb 23, 2016
Process for obtaining carboxymethyl cellulose from agro-industrial residues and carboxymethyl cellulose and use thereof
VALE SA0 citations34
US9085812B2Jul 21, 2015
Sulfide ore leaching process
VALE SA0 citations34
US9586212B2Mar 7, 2017
Depressor in iron ore flotation comprising sugar cane bagasse, use of sugar cane bagasse as depressor in iron ore flotation and process of preparing depressor comprising sugar cane bagasse
VALE SA1 citations33
US9353242B2May 31, 2016
Composite material comprising UHMWPE and iron ore tailing and use of iron ore tailing in preparation of composite material
VALE SA1 citations33
US12286357B2Apr 29, 2025
Process of obtaining powdered sodium silicate from sand tailings originated from the iron ore concentration process
VALE SA0 citations32
US10752550B2Aug 25, 2020
Thermo-insulating concrete
VALE SA0 citations32
US10737748B2Aug 11, 2020
Device for loading of bulk carriers and loading method
VALE SA0 citations32
Showing the top 50 of 62 patents by PatentIndex Score.