Assignee
OTTO & CO GMBH DR C
DE·111 granted patents·1,767 citations·filing 1973–1986
Top patents by PatentIndex Score
111 records- 0196US4194951ACoke oven quenching carOTTO & CO GMBH DR C·Filed 1978·Granted Mar 25, 1980·107 cites·8 claims
- 0296US4059885AProcess for partial restoration of a coke oven batteryOTTO & CO GMBH DR C·Filed 1976·Granted Nov 29, 1977·110 cites·16 claims
- 0395US4392824ASystem for improving the flow of gases to a combustion chamber of a coke oven or the likeOTTO & CO GMBH DR C·Filed 1981·Granted Jul 12, 1983·95 cites·14 claims
- 0495US4314787ACharging car for coke ovensOTTO & CO GMBH DR C·Filed 1980·Granted Feb 9, 1982·98 cites·5 claims
- 0594US4726465ACoke quenching carOTTO & CO GMBH DR C·Filed 1986·Granted Feb 23, 1988·101 cites·15 claims
- 0694US4004983ACoke oven batteryOTTO & CO GMBH DR C·Filed 1975·Granted Jan 25, 1977·98 cites·3 claims
- 0789US4373244AMethod for renewing the brickwork of coke ovensOTTO & CO GMBH DR C·Filed 1980·Granted Feb 15, 1983·97 cites·2 claims
- 0889US4188915AWater-cooled, high-temperature gasifierOTTO & CO GMBH DR C·Filed 1978·Granted Feb 19, 1980·36 cites·7 claims
- 0988US3969191AControl for regenerators of a horizontal coke ovenOTTO & CO GMBH DR C·Filed 1974·Granted Jul 13, 1976·97 cites·7 claims
- 1086US4564420ACoke oven batteryOTTO & CO GMBH DR C·Filed 1983·Granted Jan 14, 1986·69 cites·7 claims
- 1184US4073862AProcess for removing ammonia, hydrogen sulfide and hydrocyanic acid from gasesOTTO & CO GMBH DR C·Filed 1976·Granted Feb 14, 1978·27 cites·3 claims
- 1282US4157244AGas-cooling method and apparatusOTTO & CO GMBH DR C·Filed 1978·Granted Jun 5, 1979·22 cites·12 claims
- 1382US4133720ASupport apparatus for a battery of underjet coke ovensOTTO & CO GMBH DR C·Filed 1977·Granted Jan 9, 1979·47 cites·2 claims
- 1481US3933598ACoke oven doorOTTO & CO GMBH DR C·Filed 1973·Granted Jan 20, 1976·21 cites·6 claims
- 1579US4043766ASlag bath generatorOTTO & CO GMBH DR C·Filed 1976·Granted Aug 23, 1977·20 cites·14 claims
- 1678US3983756AProbe apparatus for a high pressure chamberOTTO & CO GMBH DR C·Filed 1975·Granted Oct 5, 1976·40 cites·6 claims
- 1778US3951615ACylindrical pressure reactor for producing a combustible gasOTTO & CO GMBH DR C·Filed 1974·Granted Apr 20, 1976·21 cites·5 claims
- 1874US4049394AControl system for a coal gasification plantOTTO & CO GMBH DR C·Filed 1976·Granted Sep 20, 1977·16 cites·12 claims
- 1973US3950492AProcess for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substancesOTTO & CO GMBH DR C·Filed 1974·Granted Apr 13, 1976·15 cites·5 claims
- 2072US4563432AProduction of porous sintered ceramic materialOTTO & CO GMBH DR C·Filed 1983·Granted Jan 7, 1986·27 cites·17 claims
- 2172US4098324AWater-cooled, high-temperature gasifier and method for its operationOTTO & CO GMBH DR C·Filed 1976·Granted Jul 4, 1978·25 cites·5 claims
- 2268US4213945AProcess and apparatus to purify waste industrial gasesOTTO & CO GMBH DR C·Filed 1978·Granted Jul 22, 1980·24 cites·17 claims
- 2368US4073628AControl system for apparatus to gasify fine-grain fuels in a reactorOTTO & CO GMBH DR C·Filed 1976·Granted Feb 14, 1978·12 cites·8 claims
- 2467US3996109ACoke oven battery having twin heating fluesOTTO & CO GMBH DR C·Filed 1975·Granted Dec 7, 1976·10 cites·4 claims
- 2566US4372754AIgnition system for coal gasifierOTTO & CO GMBH DR C·Filed 1979·Granted Feb 8, 1983·12 cites·9 claims
- 2666US4197164ACoke oven apparatusOTTO & CO GMBH DR C·Filed 1978·Granted Apr 8, 1980·9 cites·4 claims
- 2766US4159447ASystem for detecting faults in the wall of a high-temperature pressure vesselOTTO & CO GMBH DR C·Filed 1977·Granted Jun 26, 1979·11 cites·5 claims
- 2865US4499060AProcess for removing hydrogen sulfide from gases, particularly coal distillation gasesOTTO & CO GMBH DR C·Filed 1983·Granted Feb 12, 1985·17 cites·7 claims
- 2965US4168208AAscension pipe closure for coke oven batteriesOTTO & CO GMBH DR C·Filed 1977·Granted Sep 18, 1979·15 cites·4 claims
- 3065US4154584AMethod for cooling gases containing naphthalene, tar and solidsOTTO & CO GMBH DR C·Filed 1977·Granted May 15, 1979·12 cites·7 claims
- 3165US4046641AProcess and apparatus for the separation of crude benzol and naphthalene from washing oilOTTO & CO GMBH DR C·Filed 1975·Granted Sep 6, 1977·12 cites·3 claims
- 3264US4518572AMethod of washing hydrogen sulfide from coke oven gas by the ammonium sulfide methodOTTO & CO GMBH DR C·Filed 1984·Granted May 21, 1985·14 cites·4 claims
- 3364US4314889AApparatus to extract charging gases from a coke oven chamberOTTO & CO GMBH DR C·Filed 1980·Granted Feb 9, 1982·9 cites·7 claims
- 3464US4066420AProcess for the gasification of solid fuelsOTTO & CO GMBH DR C·Filed 1977·Granted Jan 3, 1978·10 cites·11 claims
- 3563US4083695ATubular reactor for endothermic chemical reactionsOTTO & CO GMBH DR C·Filed 1976·Granted Apr 11, 1978·19 cites·10 claims
- 3662US4306939AMethod of operating a coke oven batteryOTTO & CO GMBH DR C·Filed 1980·Granted Dec 22, 1981·8 cites·10 claims
- 3762US4013427ASlag bath generatorOTTO & CO GMBH DR C·Filed 1975·Granted Mar 22, 1977·16 cites·10 claims
- 3861US4580908AThermometer for coke oven chamber wallsOTTO & CO GMBH DR C·Filed 1982·Granted Apr 8, 1986·17 cites·4 claims
- 3961US4244786ADouble flue arrangement in heating walls for horizontal coke ovensOTTO & CO GMBH DR C·Filed 1978·Granted Jan 13, 1981·12 cites·6 claims
- 4061US4141797AMethod of operating a battery of coke ovensOTTO & CO GMBH DR C·Filed 1976·Granted Feb 27, 1979·9 cites·6 claims
- 4161US4003802ACoke guide machine for a battery of coke ovensOTTO & CO GMBH DR C·Filed 1975·Granted Jan 18, 1977·9 cites·7 claims
- 4261US3937656AShed-type enclosure at the coke side of coke ovensOTTO & CO GMBH DR C·Filed 1974·Granted Feb 10, 1976·10 cites·7 claims
- 4359US4371425AShaft-like dry cooler for cokeOTTO & CO GMBH DR C·Filed 1981·Granted Feb 1, 1983·7 cites·5 claims
- 4459US4312712ACoke car for a battery of coke ovensOTTO & CO GMBH DR C·Filed 1980·Granted Jan 26, 1982·7 cites·7 claims
- 4558US4357211AAir control arrangement for regeneratively-heated coke ovensOTTO & CO GMBH DR C·Filed 1981·Granted Nov 2, 1982·8 cites·1 claims
- 4656US4515660AApparatus for removing charging hole covers and for cleaning sealing surfaces in a coke ovenOTTO & CO GMBH DR C·Filed 1984·Granted May 7, 1985·7 cites·7 claims
- 4756US4097340AApparatus for cleaning coke oven doorsOTTO & CO GMBH DR C·Filed 1977·Granted Jun 27, 1978·7 cites·5 claims
- 4855US4435152AApparatus for improving the flow of gases to a combustion chamber of a coke oven or the likeOTTO & CO GMBH DR C·Filed 1981·Granted Mar 6, 1984·6 cites·7 claims
- 4955US4229419ATube reactor for endothermic gas reactionsOTTO & CO GMBH DR C·Filed 1977·Granted Oct 21, 1980·11 cites·5 claims
- 5055US4013779AProcess for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substancesOTTO & CO GMBH DR C·Filed 1974·Granted Mar 22, 1977·12 cites·11 claims
Showing the top 50 of 111 patent records by PatentIndex Score.
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