Assignee
GRIFFIN & CO
9 granted patents·149 citations·filing 1974–1994
Top patents by PatentIndex Score
9 records- 0186US5344025ACommingled waste separation apparatus and methodsGRIFFIN & CO·Filed 1991·Granted Sep 6, 1994·74 cites·8 claims
- 0256US3942626AChannel belt conveyorGRIFFIN & CO·Filed 1974·Granted Mar 9, 1976·12 cites·12 claims
- 0351US5042647AOverlapping, non-leaking conveyor slat for dry bulk materialsGRIFFIN & CO·Filed 1990·Granted Aug 27, 1991·19 cites·9 claims
- 0447US5480351AThreshing machine rotorGRIFFIN & CO·Filed 1994·Granted Jan 2, 1996·19 cites·20 claims
- 0543US4948321AAutomated storage systemGRIFFIN & CO·Filed 1989·Granted Aug 14, 1990·9 cites·14 claims
- 0632US5040941AAutomatic storage systemGRIFFIN & CO·Filed 1990·Granted Aug 20, 1991·5 cites·14 claims
- 0730US4708238ACleated channel belt conveyorGRIFFIN & CO·Filed 1985·Granted Nov 24, 1987·5 cites·7 claims
- 0830US4348148ADumper apparatus and methodsGRIFFIN & CO·Filed 1979·Granted Sep 7, 1982·4 cites·3 claims
- 0925US4412773AControl apparatus and method for dumping tobaccoGRIFFIN & CO·Filed 1982·Granted Nov 1, 1983·2 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →