Assignee
DIDIER ENG
74 granted patents·946 citations·filing 1974–1988
Top patents by PatentIndex Score
74 records- 0197US4289585AMethod and apparatus for the wet quenching of cokeDIDIER ENG·Filed 1980·Granted Sep 15, 1981·101 cites·6 claims
- 0291US4421481AFurnace for heating slabs, billets, rough castings and the likeDIDIER ENG·Filed 1981·Granted Dec 20, 1983·42 cites·15 claims
- 0391US4222824ARecuperative coke oven and process for the operation thereofDIDIER ENG·Filed 1979·Granted Sep 16, 1980·91 cites·12 claims
- 0488US4382139AProcess and apparatus for continuous production of polyestersDIDIER ENG·Filed 1981·Granted May 3, 1983·72 cites·9 claims
- 0586US4284478AApparatus for quenching hot cokeDIDIER ENG·Filed 1980·Granted Aug 18, 1981·74 cites·10 claims
- 0685US4280033AProcess and apparatus for the thermal treatment of coalDIDIER ENG·Filed 1979·Granted Jul 21, 1981·42 cites·15 claims
- 0783US4284476AProcess and apparatus for utilization of the sensible heat of hot coke for drying and preheating coking coalDIDIER ENG·Filed 1980·Granted Aug 18, 1981·30 cites·8 claims
- 0878US4950473AMethod for reducing nitrogen oxides in flue gasDIDIER ENG·Filed 1988·Granted Aug 21, 1990·33 cites·18 claims
- 0977US4308102AProcess and apparatus for drying and preheating coking coal by means of flue gasDIDIER ENG·Filed 1980·Granted Dec 29, 1981·18 cites·18 claims
- 1076US4259312AProcess and apparatus for catalytically reacting a reducing gas and water vaporDIDIER ENG·Filed 1979·Granted Mar 31, 1981·19 cites·20 claims
- 1176US4235624AMethod for processing coke oven gasDIDIER ENG·Filed 1978·Granted Nov 25, 1980·17 cites·13 claims
- 1270US4282066AProcess and apparatus for coking coal using microwave radiationDIDIER ENG·Filed 1979·Granted Aug 4, 1981·24 cites·22 claims
- 1370US4282068AApparatus for the transfer and quenching of cokeDIDIER ENG·Filed 1979·Granted Aug 4, 1981·9 cites·4 claims
- 1469US4468288AMethod of preheating coal and supplying preheated coal to a coke ovenDIDIER ENG·Filed 1982·Granted Aug 28, 1984·12 cites·4 claims
- 1568US4235851AProcess for reducing the nitrogen oxide content of coke oven gasesDIDIER ENG·Filed 1979·Granted Nov 25, 1980·9 cites·5 claims
- 1665US4235604AMethod for processing coke oven gasDIDIER ENG·Filed 1977·Granted Nov 25, 1980·12 cites·12 claims
- 1764US4734165AMethod for the production of cokeDIDIER ENG·Filed 1986·Granted Mar 29, 1988·14 cites·15 claims
- 1863US4447333AProcess for the elimination of ammonia in coke plant waste watersDIDIER ENG·Filed 1983·Granted May 8, 1984·21 cites·5 claims
- 1963US4360976ADry cooling of cokeDIDIER ENG·Filed 1981·Granted Nov 30, 1982·8 cites·5 claims
- 2062US4264415AApparatus for the dry cooling of cokeDIDIER ENG·Filed 1979·Granted Apr 28, 1981·9 cites·10 claims
- 2162US4178266AProcess for conveying hot crude coke oven gas from coke ovens to a position of utilization while preventing condensation of higher hydrocarbonsDIDIER ENG·Filed 1977·Granted Dec 11, 1979·10 cites·7 claims
- 2260US4186056ADevice for closing the filling opening of a coke oven chamberDIDIER ENG·Filed 1978·Granted Jan 29, 1980·11 cites·8 claims
- 2360US4151919ACoke oven hopper truck including support for removable filling coverDIDIER ENG·Filed 1977·Granted May 1, 1979·9 cites·9 claims
- 2460US4087250AApparatus for removing nitric oxides from processing exhaust gasesDIDIER ENG·Filed 1976·Granted May 2, 1978·16 cites·7 claims
- 2559US4202407AApparatus for cooling gases from coke plantsDIDIER ENG·Filed 1978·Granted May 13, 1980·25 cites·8 claims
- 2658US4465557AGas transferring apparatus in coke ovenDIDIER ENG·Filed 1982·Granted Aug 14, 1984·8 cites·40 claims
- 2758US4286912AProcess and apparatus for charging and sealing a charging port of a chamberDIDIER ENG·Filed 1979·Granted Sep 1, 1981·9 cites·24 claims
- 2858US4107879ADoor of the self-locking typeDIDIER ENG·Filed 1977·Granted Aug 22, 1978·9 cites·7 claims
- 2952US4720376AProcess for the removal of nitrogen oxides and soot from exhaust gases of machines and combustion installations burning heavy fuel oilDIDIER ENG·Filed 1986·Granted Jan 19, 1988·19 cites·7 claims
- 3052US4407699AProcess and apparatus for the dry cooling of cokeDIDIER ENG·Filed 1981·Granted Oct 4, 1983·5 cites·18 claims
- 3152US4246072AProcess and apparatus for quenching hot cokeDIDIER ENG·Filed 1978·Granted Jan 20, 1981·10 cites·11 claims
- 3251US4392919ACharging apparatus for coke cooling chambersDIDIER ENG·Filed 1981·Granted Jul 12, 1983·5 cites·10 claims
- 3349US4629417AProcess and furnace for reheating slabs, billets, blooms and the likeDIDIER ENG·Filed 1985·Granted Dec 16, 1986·7 cites·19 claims
- 3449US4477420AProcess for separating, especially in multiple stages, acid components such as CO2, HCN and specifically H2 S, from gases, especially from coke oven gases, by means of ammonia recirculation scrubbingDIDIER ENG·Filed 1982·Granted Oct 16, 1984·7 cites·11 claims
- 3548US4322269AMethod for the wet quenching of cokeDIDIER ENG·Filed 1981·Granted Mar 30, 1982·3 cites·4 claims
- 3647US4126431AMethod for the preliminary treatment of crude gas from a thermic carbon refinement processDIDIER ENG·Filed 1976·Granted Nov 21, 1978·7 cites·7 claims
- 3746US4210430ACyclone separator assemblyDIDIER ENG·Filed 1978·Granted Jul 1, 1980·11 cites·10 claims
- 3845US4569811AMethod of making a staple-fiber bandDIDIER ENG·Filed 1982·Granted Feb 11, 1986·5 cites·9 claims
- 3944US4352680AProcess and/or facility for driving off dissolved, corrosive gaseous constituents from watery solutionsDIDIER ENG·Filed 1979·Granted Oct 5, 1982·8 cites·18 claims
- 4044US4246071AProcess for the recovery of coke oven waste heatDIDIER ENG·Filed 1979·Granted Jan 20, 1981·5 cites·10 claims
- 4143US4133620APolymer filament manufacturing device having reduced vertical sizeDIDIER ENG·Filed 1977·Granted Jan 9, 1979·6 cites·10 claims
- 4242US4336229AApparatus for the production of ammonia synthesis gas from purified coke oven gasDIDIER ENG·Filed 1980·Granted Jun 22, 1982·7 cites·5 claims
- 4342US4216061ASealing arrangement for coke oven doorDIDIER ENG·Filed 1977·Granted Aug 5, 1980·4 cites·5 claims
- 4441US4049777AMethod of waste gas treatmentDIDIER ENG·Filed 1976·Granted Sep 20, 1977·11 cites·11 claims
- 4541US3953063ACoke oven door closureDIDIER ENG·Filed 1974·Granted Apr 27, 1976·4 cites·12 claims
- 4640US4751212AProcess for the manufacture of a catalyst for the reduction of nitrogen oxides in exhaust gasesDIDIER ENG·Filed 1986·Granted Jun 14, 1988·9 cites·16 claims
- 4740US4373997AApparatus for the transfer and quenching of cokeDIDIER ENG·Filed 1981·Granted Feb 15, 1983·2 cites·4 claims
- 4839US4130244ATrack rail supportDIDIER ENG·Filed 1975·Granted Dec 19, 1978·3 cites·11 claims
- 4939US4081511AProcess for removing nitric oxides from processing exhaust gasesDIDIER ENG·Filed 1976·Granted Mar 28, 1978·8 cites·7 claims
- 5036US4433066AMethod for the preparation of high-caloric gases, particularly methane, by means of a catalyst fluidized bedDIDIER ENG·Filed 1982·Granted Feb 21, 1984·4 cites·2 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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