David A. Hempel

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Pocatello, ID, US

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Patents Grantslast 30 patents

Information Patent Grant
Increased reduction of magnesium content by use of inorganic promot...
- Patent number 4,747,941
- Issue date May 31, 1988
- J. R. Simplot Company
- Samuel M. Polinsky
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Increased reduction of magnesium content by use of inorganic promot...
- Patent number 4,642,181
- Issue date Feb 10, 1987
- J. R. Simplot Co.
- Samuel M. Polinsky
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Process for the recovery of cadmium and other metals from solution
- Patent number 4,511,541
- Issue date Apr 16, 1985
- J.R. SIMPLOT COMPANY
- Laurence W. Bierman
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...