Heikki Takala

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Pori, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method for recovery of zinc by countercurrent leaching
- Patent number 7,517,383
- Issue date Apr 14, 2009
- Outotec Oyj
- Aimo Järvinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for removing mercury from gas
- Patent number 7,481,865
- Issue date Jan 27, 2009
- Outotec Oyj
- Heljä Peltola
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for precipitating iron from a zinc sulphate solution as hema...
- Patent number 7,294,319
- Issue date Nov 13, 2007
- Outotec Oyj
- Marko Lahtinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Equipment for the leaching of solid matter from sludge
- Patent number 6,793,816
- Issue date Sep 21, 2004
- Outokumpu Oyj
- Heikki Takala
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for the leaching of solid matter from sludge
- Patent number 6,770,207
- Issue date Aug 3, 2004
- Outokumpu Oyj
- Heikki Takala
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method for recovery of zinc by countercurrent leaching
- Publication number 20060213332
- Publication date Sep 28, 2006
- Outokumpu Oyj
- Aimo Jarvinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for precipitating iron from a zinc sulphate solution as hema...
- Publication number 20050069474
- Publication date Mar 31, 2005
- Marko Lahtinen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for removing mercury from gas
- Publication number 20040081605
- Publication date Apr 29, 2004
- Helja Peltola
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL