Paul H. Cardwell

Person

Zanoni, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Simultaneous extraction of metal values other than copper from mang...
- Patent number 4,146,572
- Issue date Mar 27, 1979
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extraction of metal values from manganese nodules
- Patent number 4,137,291
- Issue date Jan 30, 1979
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the simultaneous extraction of metal values from mangan...
- Patent number 4,093,698
- Issue date Jun 6, 1978
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for separating metal constituents from ocean floor nodules
- Patent number 4,042,664
- Issue date Aug 16, 1977
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of cobalt from nickel in ammoniacal solutions using 8-hy...
- Patent number 4,012,483
- Issue date Mar 15, 1977
- Deepsea Ventures, Inc.
- William S. Kane
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Refining of manganese oxide ores
- Patent number 4,002,717
- Issue date Jan 11, 1977
- Deepsea Ventures, Inc.
- Richard G. Sandberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Halidation of manganiferous ore to obtain metal values and recovery...
- Patent number 3,992,507
- Issue date Nov 16, 1976
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Halidation of nonferrous metal values in manganese oxide ores
- Patent number 3,990,891
- Issue date Nov 9, 1976
- Deepsea Ventures, Inc.
- Richard G. Sandberg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Separation of nickel and cobalt and manganese in solution
- Patent number 3,984,520
- Issue date Oct 5, 1976
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Reduction method for producing manganese metal
- Patent number 3,951,647
- Issue date Apr 20, 1976
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Reduction to manganese metal using metal transporting compounds
- Patent number 3,950,162
- Issue date Apr 13, 1976
- Deepsea Ventures, Inc.
- Harold H. Schobert
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for separating metal constituents from ocean floor nodules
- Patent number 3,950,486
- Issue date Apr 13, 1976
- Deepsea Ventures, Inc.
- Paul H. Cardwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Direct recovery of metals from fluid anhydrous metal halides derive...
- Patent number 3,940,470
- Issue date Feb 24, 1976
- Deepsea Ventures, Inc.
- William S. Kane
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Two stage selective leaching of metal values from ocean floor nodul...
- Patent number 3,930,974
- Issue date Jan 6, 1976
- Deepsea Ventures, Inc.
- William S. Kane
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Paul H. Cardwell

Person

Patents Grantslast 30 patents

Simultaneous extraction of metal values other than copper from mang...

Extraction of metal values from manganese nodules

Process for the simultaneous extraction of metal values from mangan...

Method for separating metal constituents from ocean floor nodules

Separation of cobalt from nickel in ammoniacal solutions using 8-hy...

Refining of manganese oxide ores

Halidation of manganiferous ore to obtain metal values and recovery...

Halidation of nonferrous metal values in manganese oxide ores

Separation of nickel and cobalt and manganese in solution

Reduction method for producing manganese metal

Reduction to manganese metal using metal transporting compounds

Method for separating metal constituents from ocean floor nodules

Direct recovery of metals from fluid anhydrous metal halides derive...

Two stage selective leaching of metal values from ocean floor nodul...