Assignee
KRUPP KOPPERS GMBH
DE·140 granted patents·2,653 citations·filing 1973–1996
Top patents by PatentIndex Score
140 records- 0197US4994093AMethod of producing methanol synthesis gasKRUPP KOPPERS GMBH·Filed 1990·Granted Feb 19, 1991·328 cites·11 claims
- 0296US5445658AGasification apparatus for a finely divided combustible materialKRUPP KOPPERS GMBH·Filed 1994·Granted Aug 29, 1995·280 cites·10 claims
- 0394US4704195AMethod of reducing NOx component of flue gas in heating coking ovens, and an arrangement of coking oven for carrying out the methodKRUPP KOPPERS GMBH·Filed 1985·Granted Nov 3, 1987·104 cites·2 claims
- 0493US5062925AMethod of reducing the nitrogen dioxide content of flue gas from a coke oven with dual heating flues by a combination of external flue gas feed back and internal flue gas recirculationKRUPP KOPPERS GMBH·Filed 1989·Granted Nov 5, 1991·100 cites·5 claims
- 0589US4732652AClamping system for coke oven heating wallsKRUPP KOPPERS GMBH·Filed 1987·Granted Mar 22, 1988·76 cites·17 claims
- 0689US4135948AMethod and apparatus for scraping the bottom wall of a coke oven chamberKRUPP KOPPERS GMBH·Filed 1977·Granted Jan 23, 1979·81 cites·10 claims
- 0788US5470361AProcess for working up municipal plastic waste materials by gasificationKRUPP KOPPERS GMBH·Filed 1994·Granted Nov 28, 1995·57 cites·11 claims
- 0886US4765631AStuffing box sealing arrangementKRUPP KOPPERS GMBH·Filed 1986·Granted Aug 23, 1988·48 cites·10 claims
- 0985US5066476AMethod of producing hydrogen-rich gasKRUPP KOPPERS GMBH·Filed 1990·Granted Nov 19, 1991·52 cites·13 claims
- 1084US4950308AApparatus for producing a product gas from a finely-divided carbon-bearing substanceKRUPP KOPPERS GMBH·Filed 1989·Granted Aug 21, 1990·36 cites·12 claims
- 1184US4818252AArrangement for gasifying finely divided particularly solid fuel under high pressureKRUPP KOPPERS GMBH·Filed 1987·Granted Apr 4, 1989·36 cites·19 claims
- 1283US4973337AArrangement for cooling hot product gas with adhesive or fusible particlesKRUPP KOPPERS GMBH·Filed 1989·Granted Nov 27, 1990·29 cites·6 claims
- 1382US4651572AVenturi tubeKRUPP KOPPERS GMBH·Filed 1986·Granted Mar 24, 1987·48 cites·8 claims
- 1480US5705037ADevice for reducing the concentration of CO in the waste gas from coke oven batteries that are heated with lean gasKRUPP KOPPERS GMBH·Filed 1995·Granted Jan 6, 1998·42 cites·25 claims
- 1579US5055630AProcess for making p-xylene with a purity of more than 99.8% by weightKRUPP KOPPERS GMBH·Filed 1989·Granted Oct 8, 1991·40 cites·9 claims
- 1679US4936871AMethod of cooling partial oxidation gasKRUPP KOPPERS GMBH·Filed 1989·Granted Jun 26, 1990·27 cites·5 claims
- 1779US4818253ADevice for gasifying finely divided fuels under increased pressureKRUPP KOPPERS GMBH·Filed 1987·Granted Apr 4, 1989·26 cites·5 claims
- 1879US4081355AProcess for recovering highly pure aromatics from a mixture of aromatics and non-aromaticsKRUPP KOPPERS GMBH·Filed 1976·Granted Mar 28, 1978·36 cites·14 claims
- 1978US4731097AGas cooling device for a gasiferKRUPP KOPPERS GMBH·Filed 1986·Granted Mar 15, 1988·26 cites·3 claims
- 2078US4518461ASupport for batteries of coking furnaces heated from the topKRUPP KOPPERS GMBH·Filed 1983·Granted May 21, 1985·43 cites·12 claims
- 2178US4430161ACascaded coal drier for a coking plantKRUPP KOPPERS GMBH·Filed 1982·Granted Feb 7, 1984·18 cites·4 claims
- 2277US4810417AProcess for the simultaneous production of methanol synthesis gas and ammonia synthesis gasKRUPP KOPPERS GMBH·Filed 1983·Granted Mar 7, 1989·26 cites·6 claims
- 2377US4017269AMethod and arrangement for gasifying finely divided fluidized solid combustible materialKRUPP KOPPERS GMBH·Filed 1975·Granted Apr 12, 1977·27 cites·20 claims
- 2476US4431485ATravelling bed drier apparatus for the operation of a carbonization plantKRUPP KOPPERS GMBH·Filed 1982·Granted Feb 14, 1984·23 cites·2 claims
- 2575US4159201AProcess for producing a carbon monoxide-rich gasKRUPP KOPPERS GMBH·Filed 1977·Granted Jun 26, 1979·20 cites·6 claims
- 2671US3958956AMethane production process and arrangement thereforKRUPP KOPPERS GMBH·Filed 1974·Granted May 25, 1976·16 cites·12 claims
- 2770US4893912ADevice for observing a hot reaction space in the interior of a reactor operating at increased pressureKRUPP KOPPERS GMBH·Filed 1985·Granted Jan 16, 1990·25 cites·3 claims
- 2870US4842695AArrangement of a dry cooler for cokeKRUPP KOPPERS GMBH·Filed 1984·Granted Jun 27, 1989·13 cites·4 claims
- 2970US4169133AProcess for recovering acidic gases collected during gas desulfurizationKRUPP KOPPERS GMBH·Filed 1978·Granted Sep 25, 1979·17 cites·6 claims
- 3069US4936870AProcess for determination and control of fuel mass flow in partial oxidation and gasification of a fine-grained to powdery fuelKRUPP KOPPERS GMBH·Filed 1989·Granted Jun 26, 1990·19 cites·9 claims
- 3169US4797198AProcess for the working up of salvage oilKRUPP KOPPERS GMBH·Filed 1987·Granted Jan 10, 1989·24 cites·20 claims
- 3269US4189352ACoke oven doorKRUPP KOPPERS GMBH·Filed 1977·Granted Feb 19, 1980·12 cites·9 claims
- 3368US4470878AMethod for drying coal and cooling cokeKRUPP KOPPERS GMBH·Filed 1983·Granted Sep 11, 1984·22 cites·8 claims
- 3468US4270558AProcess for monitoring the flow of fine grained solid fuel for use in gasifiersKRUPP KOPPERS GMBH·Filed 1978·Granted Jun 2, 1981·13 cites·3 claims
- 3568US3990229AMethod and arrangement for the generation of energy, particularly electrical energyKRUPP KOPPERS GMBH·Filed 1975·Granted Nov 9, 1976·22 cites·9 claims
- 3667US5441547AMethod for gasification of a finely divided combustible materialKRUPP KOPPERS GMBH·Filed 1994·Granted Aug 15, 1995·19 cites·5 claims
- 3767US4586986AMethod of recovering pure aromatic substancesKRUPP KOPPERS GMBH·Filed 1984·Granted May 6, 1986·18 cites·9 claims
- 3867US4436589AMethod of pretreating coal for coking plantKRUPP KOPPERS GMBH·Filed 1982·Granted Mar 13, 1984·19 cites·4 claims
- 3967US4180353APiston pump for use in gasifying fine grained and dust-like solid fuelsKRUPP KOPPERS GMBH·Filed 1978·Granted Dec 25, 1979·15 cites·6 claims
- 4064US4106533AApparatus for and a method of introducing combustible particulate material into a pressurized gasifying vesselKRUPP KOPPERS GMBH·Filed 1976·Granted Aug 15, 1978·15 cites·18 claims
- 4162US5180474AMethod of separation of aromates by extractive distillationKRUPP KOPPERS GMBH·Filed 1992·Granted Jan 19, 1993·8 cites·4 claims
- 4262US4603588ADevice for gripping specimensKRUPP KOPPERS GMBH·Filed 1984·Granted Aug 5, 1986·20 cites·4 claims
- 4362US4384846ABurnerKRUPP KOPPERS GMBH·Filed 1980·Granted May 24, 1983·16 cites·8 claims
- 4460US4779757AContainer with internal liningKRUPP KOPPERS GMBH·Filed 1987·Granted Oct 25, 1988·23 cites·4 claims
- 4559US5753012AMethod for the cleaning of flue gases with different contents of acidic componentsKRUPP KOPPERS GMBH·Filed 1996·Granted May 19, 1998·27 cites·8 claims
- 4658US4559210AMulti-stage method for washing-out ammonia from gas, particularly coking oven gasKRUPP KOPPERS GMBH·Filed 1984·Granted Dec 17, 1985·20 cites·5 claims
- 4758US4317366AMethod and system for measuring temperatures in combustion chambersKRUPP KOPPERS GMBH·Filed 1979·Granted Mar 2, 1982·18 cites·6 claims
- 4857US4523906ADevice for drying gypsumKRUPP KOPPERS GMBH·Filed 1982·Granted Jun 18, 1985·8 cites·6 claims
- 4956US5443694AMethod of restoring heating walls of coke oven batteryKRUPP KOPPERS GMBH·Filed 1993·Granted Aug 22, 1995·11 cites·3 claims
- 5056US4920926AWaste heat boiler for cooling of partial oxidation crude gasKRUPP KOPPERS GMBH·Filed 1988·Granted May 1, 1990·11 cites·9 claims
Showing the top 50 of 140 patent records by PatentIndex Score.
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