Assignee
HARTLEY CONTROLS CORP
US·6 granted patents·95 citations·filing 1974–1998
Top patents by PatentIndex Score
6 records- 0157US5330265AApparatus and apparatus for mixing and cooling molding sandHARTLEY CONTROLS CORP·Filed 1993·Granted Jul 19, 1994·26 cites·7 claims
- 0252US6161422ASand testing method and apparatusHARTLEY CONTROLS CORP·Filed 1998·Granted Dec 19, 2000·26 cites·34 claims
- 0350US3964732AApparatus for mixing molding sandHARTLEY CONTROLS CORP·Filed 1974·Granted Jun 22, 1976·14 cites·11 claims
- 0440US4930354AAutomatic bond determinatorHARTLEY CONTROLS CORP·Filed 1989·Granted Jun 5, 1990·14 cites·4 claims
- 0539US4699011AAutomatic compactability testerHARTLEY CONTROLS CORP·Filed 1986·Granted Oct 13, 1987·14 cites·7 claims
- 0621US3961230ACurrent relay actuated by multistage amplifier's total current drainsHARTLEY CONTROLS CORP·Filed 1975·Granted Jun 1, 1976·1 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →