Ralph Peter Hackl

Person

Vancouver, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 8,821,613
- Issue date Sep 2, 2014
- Placer Dome Technical Services Ltd.
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 8,597,399
- Issue date Dec 3, 2013
- Placer Dome Technical Services Limited
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 8,097,227
- Issue date Jan 17, 2012
- Placer Dome Technical Services Limited
- Ralph Peter Hackl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 7,722,840
- Issue date May 25, 2010
- Placer Dome Technical Services Limited
- Ralph Peter Hackl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 7,704,298
- Issue date Apr 27, 2010
- Placer Dome Technical Services Limited
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 7,559,974
- Issue date Jul 14, 2009
- Placer Dome Technical Services Ltd.
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 7,544,232
- Issue date Jun 9, 2009
- Placer Dome Technical Services Ltd.
- Ralph Peter Hackl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 7,066,983
- Issue date Jun 27, 2006
- Placer Dome Technical Services Limited
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for thiosulfate leaching of precious metal-containing materials
- Patent number 6,660,059
- Issue date Dec 9, 2003
- Placer Dome Technical Services Limited
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS
- Publication number 20140047954
- Publication date Feb 20, 2014
- PLACER DOME TECHNICAL SERVICES LTD.
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS
- Publication number 20110132147
- Publication date Jun 9, 2011
- PLACER DOME TECHNICAL SERVICES LTD.
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS
- Publication number 20100132509
- Publication date Jun 3, 2010
- PLACER DOME TECHNICAL SERVICES LTD.
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS
- Publication number 20100111751
- Publication date May 6, 2010
- Placer Dome Technical Services Limited
- Ralph Peter Hackl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS
- Publication number 20080105088
- Publication date May 8, 2008
- Placer Dome Technical Services Limited
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS
- Publication number 20070089566
- Publication date Apr 26, 2007
- Placer Dome Technical Services Limited
- Ralph Peter Hackl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for thiosulfate leaching of precious metal-containing materials
- Publication number 20040206207
- Publication date Oct 21, 2004
- Placer Dome Technical Services Limited
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for thiosulfate leaching of precious metal-containing materials
- Publication number 20040115108
- Publication date Jun 17, 2004
- Ralph Peter Hackl
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for thiosulfate leaching of precious metal-containing materials
- Publication number 20040035252
- Publication date Feb 26, 2004
- Placer Dome Technical Services Limited
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for thiosulfate leaching of precious metal-containing materials
- Publication number 20020092377
- Publication date Jul 18, 2002
- Jinxing Ji
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Ralph Peter Hackl

Person

Patents Grantslast 30 patents

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Patents Applicationslast 30 patents

METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS

METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS

METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS

METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS

METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS

METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials

Method for thiosulfate leaching of precious metal-containing materials