Assignee
KLOECKNER HUMBOLDT WEDAG
DE·48 granted patents·537 citations·filing 1978–2003
Top patents by PatentIndex Score
48 records- 0193US6523767B1Grinding roller and method for the manufacture thereofKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Feb 25, 2003·43 cites·14 claims
- 0289US6695911B2Method and installation for production of cement clinkerKLOECKNER HUMBOLDT WEDAG·Filed 2002·Granted Feb 24, 2004·24 cites·2 claims
- 0389US4236886AMethod and apparatus for the production of coaldustKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Dec 2, 1980·25 cites·23 claims
- 0486US6347707B1Sifting device for sifting granular materialKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Feb 19, 2002·27 cites·20 claims
- 0581US6626662B2System for manufacturing cement clinkerKLOECKNER HUMBOLDT WEDAG·Filed 2003·Granted Sep 30, 2003·20 cites·14 claims
- 0680US4227873AKiln with overlying bedsKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Oct 14, 1980·18 cites·4 claims
- 0779US4242129AMethod of recovering metalsKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Dec 30, 1980·20 cites·2 claims
- 0878US6214075B1Cyclone separatorKLOECKNER HUMBOLDT WEDAG·Filed 1999·Granted Apr 10, 2001·42 cites·19 claims
- 0977US6691628B2Method and apparatus for thermal processing of powder raw materialsKLOECKNER HUMBOLDT WEDAG·Filed 2002·Granted Feb 17, 2004·26 cites·18 claims
- 1077US6444026B1Process for the production of cement clinker in the rotary kiln intake chamberKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Sep 3, 2002·23 cites·19 claims
- 1177US6415998B1Circuit grinding apparatus with high pressure roller mill and sifterKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Jul 9, 2002·14 cites·20 claims
- 1276US6855302B2Method for emission control of dioxin and/or furan waste gas pollutants in a cement clinker production lineKLOECKNER HUMBOLDT WEDAG·Filed 2002·Granted Feb 15, 2005·13 cites·6 claims
- 1375US4226586AMethod and apparatus for the thermal treatment of fine-grained material with hot gasesKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Oct 7, 1980·11 cites·6 claims
- 1469US4507153AMethod and apparatus for the heat treatment of a fine grained productKLOECKNER HUMBOLDT WEDAG·Filed 1983·Granted Mar 26, 1985·12 cites·18 claims
- 1566US6845867B2Classifier for the classification of granular materialKLOECKNER HUMBOLDT WEDAG·Filed 2002·Granted Jan 25, 2005·15 cites·42 claims
- 1665US6557790B2Circuit grinding apparatus with high-pressure roller mill and sifterKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted May 6, 2003·8 cites·20 claims
- 1765US6468075B2Apparatus for thermal processing of raw material in meal formKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted Oct 22, 2002·9 cites·6 claims
- 1865US5951279AMethod and apparatus for reducing pollutant circulations in the manufacture of cement clinker from raw mealKLOECKNER HUMBOLDT WEDAG·Filed 1998·Granted Sep 14, 1999·28 cites·20 claims
- 1963US6461153B2Method for desulfurization of off-gases of a system for the manufacture of cement clinkerKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted Oct 8, 2002·8 cites·5 claims
- 2063US4238217ASystem for the formation into pellets of mixtures of raw materials for glassKLOECKNER HUMBOLDT WEDAG·Filed 1979·Granted Dec 9, 1980·14 cites·2 claims
- 2161US6517597B2Insertion element subject to thermal stress and wear, in particular, a segment for the assembly of a segmented cyclone dip tubeKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted Feb 11, 2003·8 cites·9 claims
- 2260US6447598B2Process for the thermal treatment of meal-form raw materialsKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Sep 10, 2002·8 cites·20 claims
- 2357US4218209AMethod and apparatus for the thermal treatment of fine-grained material with hot gasesKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Aug 19, 1980·7 cites·2 claims
- 2455US6655617B2Drive system for a tube millKLOECKNER HUMBOLDT WEDAG·Filed 2002·Granted Dec 2, 2003·6 cites·5 claims
- 2554US7021013B1Compensator for compensating thermal expansionsKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Apr 4, 2006·7 cites·9 claims
- 2654US6382963B2Grate coolerKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted May 7, 2002·2 cites·11 claims
- 2753US6524099B2Method and apparatus for thermal treatment of mealy raw materialsKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted Feb 25, 2003·3 cites·7 claims
- 2853US4223876AApparatus for direct recovery of metal from metal-bearing oresKLOECKNER HUMBOLDT WEDAG·Filed 1979·Granted Sep 23, 1980·5 cites·9 claims
- 2952US6595772B1Method and apparatus for the thermal treatment of mealy raw materialsKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Jul 22, 2003·5 cites·19 claims
- 3050US6875267B2Process and device for feeding dispersible solid fuels into the calcinator of a cement clinker production lineKLOECKNER HUMBOLDT WEDAG·Filed 2002·Granted Apr 5, 2005·3 cites·10 claims
- 3148US6299081B1Tube millKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Oct 9, 2001·3 cites·20 claims
- 3248US6254382B1Method and apparatus for thermal treatment of mealy raw materialsKLOECKNER HUMBOLDT WEDAG·Filed 1999·Granted Jul 3, 2001·10 cites·6 claims
- 3347US4226585AApparatus for the production of cement clinkers from moist agglomerated raw materialKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Oct 7, 1980·8 cites·4 claims
- 3446US6666394B1Milling installationKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Dec 23, 2003·3 cites·16 claims
- 3546US6467967B2Shoe bearing for rotary drums such as for example tube millsKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted Oct 22, 2002·5 cites·8 claims
- 3645US6884064B1Burner mechanism for a rotary kilnKLOECKNER HUMBOLDT WEDAG·Filed 2003·Granted Apr 26, 2005·2 cites·12 claims
- 3744US6666680B2Multi-train installation for the production of cement clinker from raw mealKLOECKNER HUMBOLDT WEDAG·Filed 2002·Granted Dec 23, 2003·3 cites·8 claims
- 3843US6287110B1System for the thermal treatment of meal-like raw materialsKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Sep 11, 2001·3 cites·17 claims
- 3943US6000937ADevice for distributing and/or feeding a hot flour-like materialKLOECKNER HUMBOLDT WEDAG·Filed 1998·Granted Dec 14, 1999·14 cites·13 claims
- 4042US6484416B1Apparatus for producing cement clinkerKLOECKNER HUMBOLDT WEDAG·Filed 2000·Granted Nov 26, 2002·4 cites·19 claims
- 4140US4236916AMethod for the continuous recovery of tin from iron rich concentratesKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Dec 2, 1980·3 cites·16 claims
- 4239US4229226AMethod for the production of cement clinker low in sulphurKLOECKNER HUMBOLDT WEDAG·Filed 1978·Granted Oct 21, 1980·6 cites·4 claims
- 4338US6652272B2Device for sluicing a hot meal-form materialKLOECKNER HUMBOLDT WEDAG·Filed 2003·Granted Nov 25, 2003·0 cites·6 claims
- 4438US6508420B2Method and device for two-stage classification of granular materialKLOECKNER HUMBOLDT WEDAG·Filed 2001·Granted Jan 21, 2003·0 cites·12 claims
- 4532US6186019B1Drive pinion for rim gear/pinion driveKLOECKNER HUMBOLDT WEDAG·Filed 1999·Granted Feb 13, 2001·4 cites·6 claims
- 4632US6032887ACircuit grinding apparatus with high-pressure roll press and sifterKLOECKNER HUMBOLDT WEDAG·Filed 1998·Granted Mar 7, 2000·5 cites·6 claims
- 4732US4834871AMagnet block arrangement having an outwardly-directed fieldKLOECKNER HUMBOLDT WEDAG·Filed 1987·Granted May 30, 1989·6 cites·14 claims
- 4821US6032882AMethod for circulation grinding of brittle grinding stock and grinding apparatus thereforKLOECKNER HUMBOLDT WEDAG·Filed 1998·Granted Mar 7, 2000·4 cites·16 claims
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