Assignee
HEIN LEHMANN AG
DE·16 granted patents·311 citations·filing 1974–1989
Top patents by PatentIndex Score
16 records- 0194US4383919AScreen bottom systemHEIN LEHMANN AG·Filed 1981·Granted May 17, 1983·71 cites·6 claims
- 0286US4064051AElastic transporting, sieving or filtering base with swinging driveHEIN LEHMANN AG·Filed 1974·Granted Dec 20, 1977·43 cites·16 claims
- 0383US4871288AScreen liningHEIN LEHMANN AG·Filed 1987·Granted Oct 3, 1989·46 cites·5 claims
- 0475US4861462AMethod of forming sieve unit for screening machineHEIN LEHMANN AG·Filed 1987·Granted Aug 29, 1989·30 cites·15 claims
- 0569US4396503AMethod and device for coating elements and screen elements made therebyHEIN LEHMANN AG·Filed 1981·Granted Aug 2, 1983·22 cites·12 claims
- 0660US4983290ASlit-tube filterHEIN LEHMANN AG·Filed 1989·Granted Jan 8, 1991·24 cites·6 claims
- 0758US4819810AScreening machine with floating eccentric shaftHEIN LEHMANN AG·Filed 1987·Granted Apr 11, 1989·18 cites·5 claims
- 0847US4248701ASide seal assembly for a screening machineHEIN LEHMANN AG·Filed 1979·Granted Feb 3, 1981·14 cites·11 claims
- 0945US4412865ADevice for separating a filler massHEIN LEHMANN AG·Filed 1980·Granted Nov 1, 1983·8 cites·11 claims
- 1040US4297215ABelt filter pressHEIN LEHMANN AG·Filed 1980·Granted Oct 27, 1981·9 cites·16 claims
- 1139US3970470ACentrifugeHEIN LEHMANN AG·Filed 1974·Granted Jul 20, 1976·9 cites·16 claims
- 1235US4636304ADrum screening machineHEIN LEHMANN AG·Filed 1985·Granted Jan 13, 1987·5 cites·6 claims
- 1334US4600506AScreening machine and methodHEIN LEHMANN AG·Filed 1985·Granted Jul 15, 1986·5 cites·9 claims
- 1430US4708795AScreening deviceHEIN LEHMANN AG·Filed 1986·Granted Nov 24, 1987·1 cites·10 claims
- 1530US4645540AContinuously operating centrifugeHEIN LEHMANN AG·Filed 1985·Granted Feb 24, 1987·5 cites·7 claims
- 1617US4241767AMethod and device for feeding weft wiresHEIN LEHMANN AG·Filed 1979·Granted Dec 30, 1980·1 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →