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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US440134522 Abr 198230 Ago 1983Flow Industries, Inc.Hydraulic borehole mining system
US440649920 Nov 198127 Sep 1983Cities Service CompanyMethod of in situ bitumen recovery by percolation
US44123949 Sep 19821 Nov 1983Dredging suction-jet head
US44377063 Ago 198120 Mar 1984Gulf Canada LimitedHydraulic mining of tar sands with submerged jet erosion
US450838912 Sep 19832 Abr 1985Apparatus and method for hydraulically mining unconsolidated subterranean mineral formations
US453352621 Dic 19826 Ago 1985Institut Francais du PetroleProcess for recovering polymetal compounds discharged from a submarine hydrothermal source and devices for carrying out the same
US453603515 Jun 198420 Ago 1985The United States of America as represented by the United States Department of EnergyHydraulic mining method
US457515512 Mar 198411 Mar 1986Pressure differential mining tool
US517822324 Jun 199112 Ene 1993Device for making a hole in the ground
US524627313 May 199121 Sep 1993Method and apparatus for solution mining
US53660302 Nov 199222 Nov 1994Hydraulic device for forming a cavity in a borehole
US587905712 Nov 19969 Mar 1999Amvest CorporationHorizontal remote mining system, and method
USRE2894510 Mar 197531 Ago 1976Marcona CorporationMethod and apparatus for excavating settled body of solids