David John Leigh

Follow

Person

Kensington, AU

People

Patents Grantslast 30 patents

Information Patent Grant
Direct smelting plant and process
- Patent number 7,700,035
- Issue date Apr 20, 2010
- Outotec Oyj
- Andreas Orth
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting plant and process
- Patent number 7,504,065
- Issue date Mar 17, 2009
- Technological Resources PTY Limited
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Grant
Supplying solid feed materials for a direct smelting process
- Patent number 7,494,615
- Issue date Feb 24, 2009
- Technological Resources Pty. Limited
- Peter Damian Burke
- C21 - METALLURGY OF IRON
Information Patent Grant
Supplying solid feed materials for a direct smelting process
- Patent number 7,422,622
- Issue date Sep 9, 2008
- Technologies Resources Pty. Ltd.
- David John Leigh
- C21 - METALLURGY OF IRON
Information Patent Grant
Direct smelting vessel and direct smelting process
- Patent number 6,322,745
- Issue date Nov 27, 2001
- Technological Resources Pty. Ltd.
- David John Leigh
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Direct Smelting Plant and Process
- Publication number 20070272058
- Publication date Nov 29, 2007
- Andreas Orth
- C21 - METALLURGY OF IRON
Information Patent Application
Direct smelting plant and process
- Publication number 20070194505
- Publication date Aug 23, 2007
- Technological Resources Pty Ltd
- Rodney James Dry
- C21 - METALLURGY OF IRON
Information Patent Application
Supplying solid feed materials for a direct smelting process
- Publication number 20060119020
- Publication date Jun 8, 2006
- TECHNOLOGICAL RESOURCES PTY. LIMITED
- Peter Damian Burke
- C21 - METALLURGY OF IRON
Information Patent Application
Supplying solid feed materials for a direct smelting process
- Publication number 20050127581
- Publication date Jun 16, 2005
- TECHNOLOGIES RESOURCES PTY LTD.
- David John Leigh
- C21 - METALLURGY OF IRON
Information Patent Application
Direct smelting plant and process
- Publication number 20040256773
- Publication date Dec 23, 2004
- Rodney James Dry
- C21 - METALLURGY OF IRON