Richard D. Lindsay

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Furnace-plasma arc torch-supervisory control system for recovery of...
- Patent number 5,030,273
- Issue date Jul 9, 1991
- Plasma Energy Corporation
- Richard D. Lindsay
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of free aluminum from aluminum dross using plasma energy w...
- Patent number 4,997,476
- Issue date Mar 5, 1991
- Plasma Energy Corporation
- Richard D. Lindsay
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovery of free aluminum from aluminum dross or alumin...
- Patent number 4,877,448
- Issue date Oct 31, 1989
- Plasma Energy Corporation
- Richard D. Lindsay
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Apparatus and method for treating metallic fines
- Patent number 4,654,076
- Issue date Mar 31, 1987
- Plasma Energy Corporation
- Salvador L. Camacho
- C21 - METALLURGY OF IRON