Assignee
HARTUNG KUHN & CO MASCHF
26 granted patents·415 citations·filing 1974–1993
Top patents by PatentIndex Score
26 records- 0196US3957591ACoking ovenHARTUNG KUHN & CO MASCHF·Filed 1974·Granted May 18, 1976·102 cites·4 claims
- 0294US4196053AEquipment for operating coke oven service machinesHARTUNG KUHN & CO MASCHF·Filed 1977·Granted Apr 1, 1980·104 cites·4 claims
- 0381US3985245AArrangement for charging the coal bins of hopper carsHARTUNG KUHN & CO MASCHF·Filed 1975·Granted Oct 12, 1976·27 cites·10 claims
- 0476US4066175ACoke-oven filling systemHARTUNG KUHN & CO MASCHF·Filed 1976·Granted Jan 3, 1978·17 cites·9 claims
- 0574US4437936AProcess for utilizing waste heat and for obtaining water gas during the cooling of incandescent cokeHARTUNG KUHN & CO MASCHF·Filed 1982·Granted Mar 20, 1984·21 cites·7 claims
- 0674US4358343AMethod for quenching cokeHARTUNG KUHN & CO MASCHF·Filed 1982·Granted Nov 9, 1982·20 cites·8 claims
- 0773US4069108AApparatus for removing dust-containing gases during coking operationsHARTUNG KUHN & CO MASCHF·Filed 1976·Granted Jan 17, 1978·13 cites·13 claims
- 0870US4273617AMethod and apparatus for quenching heated bulk materialHARTUNG KUHN & CO MASCHF·Filed 1980·Granted Jun 16, 1981·14 cites·7 claims
- 0970US3981778ACoke oven hood apparatusHARTUNG KUHN & CO MASCHF·Filed 1975·Granted Sep 21, 1976·11 cites·9 claims
- 1059US5384015AArrangement for filling coal in oven chambers of a coke oven batteryHARTUNG KUHN & CO MASCHF·Filed 1993·Granted Jan 24, 1995·21 cites·8 claims
- 1159US4123333ADuct equipment for exhausting coke gasesHARTUNG KUHN & CO MASCHF·Filed 1977·Granted Oct 31, 1978·9 cites·7 claims
- 1257US4186057AGas extracting and purifying equipmentHARTUNG KUHN & CO MASCHF·Filed 1977·Granted Jan 29, 1980·8 cites·6 claims
- 1349US4126520ALift-off device for oven chamber doors of a coke ovenHARTUNG KUHN & CO MASCHF·Filed 1978·Granted Nov 21, 1978·9 cites·6 claims
- 1447US4148694AContainer for loose material, in particular hot coalHARTUNG KUHN & CO MASCHF·Filed 1977·Granted Apr 10, 1979·5 cites·3 claims
- 1541US5176489ALeveller bar for a coke oven blockHARTUNG KUHN & CO MASCHF·Filed 1991·Granted Jan 5, 1993·4 cites·5 claims
- 1640US4312713ACoke oven gas extraction equipmentHARTUNG KUHN & CO MASCHF·Filed 1980·Granted Jan 26, 1982·4 cites·3 claims
- 1738US4029551ASuction arrangement for withdrawing contaminated gases emitted from incandescent coke pushed out from a coking ovenHARTUNG KUHN & CO MASCHF·Filed 1975·Granted Jun 14, 1977·3 cites·8 claims
- 1837US4529483AProcess for utilizing waste heat and producing water gas during the cooling of cokeHARTUNG KUHN & CO MASCHF·Filed 1983·Granted Jul 16, 1985·2 cites·4 claims
- 1937US4198275AEquipment for extracting and purifying dirty gases arising on the coke side of a battery of chamber coke ovens with vertical fluesHARTUNG KUHN & CO MASCHF·Filed 1977·Granted Apr 15, 1980·3 cites·12 claims
- 2036US4253915APressure rod for a coke discharge apparatusHARTUNG KUHN & CO MASCHF·Filed 1979·Granted Mar 3, 1981·3 cites·7 claims
- 2135US4204912AMethod and apparatus for purifying gases leaking from coke ovensHARTUNG KUHN & CO MASCHF·Filed 1978·Granted May 27, 1980·2 cites·8 claims
- 2234US4233118AEquipment for collecting, extracting and purifying foul gases arising on the coke side of a battery of chamber coke-ovens with vertical flueHARTUNG KUHN & CO MASCHF·Filed 1979·Granted Nov 11, 1980·2 cites·8 claims
- 2332US4439274AMethod and chimney for reducing the emission of solid particlesHARTUNG KUHN & CO MASCHF·Filed 1981·Granted Mar 27, 1984·6 cites·8 claims
- 2425US5054529AFilling car for a oven batteryHARTUNG KUHN & CO MASCHF·Filed 1990·Granted Oct 8, 1991·1 cites·7 claims
- 2523US3964977AMethod and apparatus for operating a leveling device for a coking ovenHARTUNG KUHN & CO MASCHF·Filed 1975·Granted Jun 22, 1976·3 cites·12 claims
- 2622US4377442ASystem for coupling a quenching car to a hood car and for braking the hood carHARTUNG KUHN & CO MASCHF·Filed 1981·Granted Mar 22, 1983·1 cites·3 claims
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