Assignee
GMD ENGINEERED SYSTEMS INC
US·3 granted patents·48 citations·filing 1990–1992
Top patents by PatentIndex Score
3 records- 0164US4978076AMethod for separating hazardous substances in waste foundry sandsGMD ENGINEERED SYSTEMS INC·Filed 1990·Granted Dec 18, 1990·26 cites·14 claims
- 0250US5251684AMethod for controlling the oxidation and calcination of waste foundry sandsGMD ENGINEERED SYSTEMS INC·Filed 1991·Granted Oct 12, 1993·17 cites·9 claims
- 0334US5217170AMethod for both cooling and pneumatically scrubbing a calcined, particulate materialGMD ENGINEERED SYSTEMS INC·Filed 1992·Granted Jun 8, 1993·5 cites·9 claims
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