Inventor · disambiguated record
Norman O. Clark
Also filed as: CLARK NORMAN O · CLARK NORMAN OWEN
6 granted patents·125 citations·filing 1975–1986
85Inventor score
Top patents by PatentIndex Score
6 records- 0176US4174279AMineral fillersENGLISH CLAYS LOVERING POCHIN·Filed 1978·Granted Nov 13, 1979·26 cites·3 claims
- 0273US4116829AMagnetic separation, method and apparatusENGLISH CLAYS LOVERING POCHIN·Filed 1976·Granted Sep 26, 1978·29 cites·17 claims
- 0372US4732748AFinely divided calcium carbonate compositionsCYPRUS MINES CORP·Filed 1986·Granted Mar 22, 1988·34 cites·5 claims
- 0459US4300277APressure filtersENGLISH CLAYS LOVERING POCHIN·Filed 1979·Granted Nov 17, 1981·15 cites·5 claims
- 0553US4447327APressure filtersENGLISH CLAYS LOVERING POCHIN·Filed 1979·Granted May 8, 1984·12 cites·7 claims
- 0641US4129498AMagnetic separationENGLISH CLAYS LOVERING POCHIN·Filed 1975·Granted Dec 12, 1978·9 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →