John G. Whellock

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Denver, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Extraction or recovery of non-ferrous metal values from arsenic-con...
- Patent number 5,482,534
- Issue date Jan 9, 1996
- Sasox Processing Pty. Limited
- Rodney L. Leonard
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Direct sulphidization fuming of zinc
- Patent number 5,372,630
- Issue date Dec 13, 1994
- Mincorp Ltd
- Kevin A. Foo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Metallurgical lance and method of cooling the lance
- Patent number 5,350,158
- Issue date Sep 27, 1994
- Mincorp Limited
- John G. Whellock
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of effecting a bioreaction
- Patent number 5,021,069
- Issue date Jun 4, 1991
- John G. Whellock
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...