Inventor
HULTHOLM STIG-ERIK
FI38 patents
⚠️ This page may combine multiple inventors who share the name “HULTHOLM STIG-ERIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OUTOKUMPU OY
20 patentsUS5185081AFeb 9, 1993
Method and apparatus for mixing and separating two liquid phases while preventing aeration and emulsions using a mixer-settler
OUTOKUMPU OY95 citations96
US4648973AMar 10, 1987
Way to oxidize sludge with high solid matter content
OUTOKUMPU OY71 citations96
US4548765AOct 22, 1985
Method for dispersing gas in a solid-containing liquid, and an apparatus for it
OUTOKUMPU OY58 citations96
US5248485ASep 28, 1993
Method for mixing liquid, solids and gas and for simultaneously separating gas or gas and solids from the liquid
OUTOKUMPU OY21 citations92
US5188808AFeb 23, 1993
Method for mixing liquid, solids and gas and for simultaneously separating gas or gas and solids from the liquid
OUTOKUMPU OY52 citations92
US5182087AJan 26, 1993
Method for mixing two liquids or liquid and solid material together, and for simultaneously separating another liquid or solid from the liquid
OUTOKUMPU OY40 citations92
US4628391ADec 9, 1986
Method for dispersing two phases in liquid-liquid extraction
OUTOKUMPU OY32 citations92
US6267900B1Jul 31, 2001
Method and apparatus for adjusting the boundary surface between two controllably flowing and mutually separable and for conducting both solutions out of the separation part
OUTOKUMPU OY22 citations91
US6432370B1Aug 13, 2002
Method and apparatus for controllably conducting a solution, obtained from liquid-liquid extraction of two solutions and mixed into dispersion, to a wide settler
OUTOKUMPU OY15 citations82
US6039790AMar 21, 2000
Method for recovering nickel hydrometallurgically from two different nickel mattes
OUTOKUMPU OY17 citations82
US4786187ANov 22, 1988
Method for dispersing two phases in extraction and apparatus for realizing the method
OUTOKUMPU OY18 citations74
US4747694AMay 31, 1988
Method for dispersing two phases in a solvent extraction process and a pump mixer for realizing the method
OUTOKUMPU OY8 citations74
US4565660AJan 21, 1986
Method for dispersing gas, for mixing a pulverous solid into a liquid to form a suspension, and for maintaining the obtained good solid-gas-liquid suspension in the reactor
OUTOKUMPU OY8 citations74
US4220627ASep 2, 1980
Process for the treatment of raw materials containing arsenic and metal
OUTOKUMPU OY12 citations73
US6176608B1Jan 23, 2001
Method and apparatus for conducting the two solutions of liquid-liquid extraction, mixed into dispersion, in a controlled fashion into the separation part
OUTOKUMPU OY14 citations72
US4721571AJan 26, 1988
Method for dispersing two phases and for setting the dispersed phases
OUTOKUMPU OY13 citations72
US6706186B1Mar 16, 2004
Method for extracting copper from an aqueous solution
OUTOKUMPU OY7 citations71
US4452762AJun 5, 1984
Hydrometallurgical process for the recovery of valuable metals from metallic alloys
OUTOKUMPU OY13 citations70
US4740239AApr 26, 1988
Process for exploitation of low grade oxidic and iron-bearing complex ores or concentrates
OUTOKUMPU OY6 citations60
US7070174B2Jul 4, 2006
Mixing apparatus for mixing gas in a closed reactor
OUTOKUMPU OY6 citations58
OUTOTEC OYJ
10 patentsUS7517461B2Apr 14, 2009
Method and equipment to control separation of a dispersion liquid-liquid extraction
OUTOTEC OYJ13 citations83
US7390468B2Jun 24, 2008
Extraction process
OUTOTEC OYJ18 citations83
US7390420B2Jun 24, 2008
Method and equipment for compressing a dispersion in liquid-liquid extraction
OUTOTEC OYJ16 citations83
US8020710B2Sep 20, 2011
Method and equipment for liquid-liquid extraction
OUTOTEC OYJ2 citations62
US7749302B2Jul 6, 2010
Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
OUTOTEC OYJ3 citations62
US7678275B2Mar 16, 2010
Method and equipment for liquid-liquid extraction
OUTOTEC OYJ4 citations62
US7547348B2Jun 16, 2009
Method for the recovery of metals using chloride leaching and extraction
OUTOTEC OYJ2 citations62
US7465402B2Dec 16, 2008
Method and equipment for guiding dispersion in liquid-liquid extraction
OUTOTEC OYJ6 citations62
US7811534B2Oct 12, 2010
Method for the treatment of copper-bearing materials
OUTOTEC OYJ2 citations58
US7247282B2Jul 24, 2007
Method for the removal of metals from an aqueous solution using lime precipitation
OUTOTEC OYJ2 citations54
OUTOKUMPU TECHNOLOGY OYJ
2 patentsUS6132615AOct 17, 2000
Method and apparatus for creating controlled flows in two mutually separable solutions
OUTOKUMPU TECHNOLOGY OYJ45 citations90
US6083400AJul 4, 2000
Method and apparatus for recirculating a heavier solution from the separation part of two separable solutions into a mixing unit
OUTOKUMPU TECHNOLOGY OYJ35 citations90