Assignee
HPD INC
3 granted patents·71 citations·filing 1979–1991
Top patents by PatentIndex Score
3 records- 0177US5261485ASlurry distributorHPD INC·Filed 1991·Granted Nov 16, 1993·47 cites·9 claims
- 0249US5174859AMethod for treating mechanical pulp plant effluentHPD INC·Filed 1991·Granted Dec 29, 1992·18 cites·12 claims
- 0333US4273670AApparatus for and method of removing radioactive bottoms from an evaporatorHPD INC·Filed 1979·Granted Jun 16, 1981·6 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →