Inventor

VIRTANEN HENRI

FI14 patents

⚠️ This page may combine multiple inventors who share the name “VIRTANEN HENRI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OUTOKUMPU OY

6 patents

US6342136B1Jan 29, 2002

Busbar construction for electrolytic cell

OUTOKUMPU OY39 citations90

US7122109B2Oct 17, 2006

Method for the improvements of current efficiency in electrolysis

OUTOKUMPU OY10 citations71

US6495024B1Dec 17, 2002

Method for the removal of arsenic from sulfuric acid solution

OUTOKUMPU OY12 citations69

US6511591B1Jan 28, 2003

Method for the electrolytic refining of copper

OUTOKUMPU OY10 citations65

US7002171B2Feb 21, 2006

Method for improving the quality of cathodes in electrolysis

OUTOKUMPU OY2 citations60

US6187156B1Feb 13, 2001

Anode for electrolytic refining

OUTOKUMPU OY0 citations49

OUTOTEC OYJ

3 patents

US7670575B2Mar 2, 2010

Method and device for treating anode slime

OUTOTEC OYJ23 citations89

US7366582B2Apr 29, 2008

Method for defining status index in copper electrolysis

OUTOTEC OYJ2 citations60

US7731777B2Jun 8, 2010

Method for processing anode sludge

OUTOTEC OYJ0 citations36

PALMU LAURI

1 patent

US8551306B2Oct 8, 2013

Permanent cathode

PALMU LAURI1 citations44

OUTOTEC FINLAND OY

1 patent

US10316389B2Jun 11, 2019

Hydrometallurgical treatment of anode sludge

OUTOTEC FINLAND OY0 citations43

NIEMINEN VILLE

1 patent

US9556530B2Jan 31, 2017

Equipment and method for electrolytic recovery of metal

NIEMINEN VILLE0 citations39

VIRTANEN HENRI

1 patent

US8303795B2Nov 6, 2012

Method for arranging electrodes in an electrolytic process and an electrolytic system

VIRTANEN HENRI0 citations34

Kaiku Health Oy

1 patent

US12357240B2Jul 15, 2025

Machine learning analysis techniques for clinical and patient data

Kaiku Health Oy0 citations30