| Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396) |
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| 11/08/1994 | US5361994 Subjecting material to heat and pressure while simultaneously applying an extruding action |
| 11/01/1994 | USRE34775 Lightweight aggregate from flyash and sewage sludge |
| 10/27/1994 | WO1994024506A1 Apparatus for preheating and supplying scraps |
| 10/27/1994 | WO1994024484A1 Method of reducing the emissions produced by incinerating waste |
| 10/20/1994 | DE4312508A1 Fastening a race on the curved surface of a rotary tube |
| 10/19/1994 | CN2179963Y Two-support rotary-drum kiln |
| 10/12/1994 | EP0619010A1 Rotary kiln with a polygonal lining |
| 09/29/1994 | WO1994017919A3 Process for extracting recoverable substances from composite materials |
| 09/27/1994 | US5350296 Method and device for cooling a rotary kiln |
| 09/21/1994 | EP0616184A1 Packed bed device with gas treatment, especially cooler |
| 09/21/1994 | EP0615473A1 Method and device for removing one or more contaminations from a bulk material. |
| 09/14/1994 | EP0614452A1 Heat treatment of expansible materials to form lightweight aggregate. |
| 09/07/1994 | CN1091816A Flexible air supply connection in a grate cooler |
| 08/31/1994 | EP0567467B1 Rotating tube heat treatment unit, in particular a rotating tubular kiln, with indirect heat feed or dissipation |
| 08/30/1994 | US5342442 Lightweight aggregate from flyash and sewage sludge |
| 08/30/1994 | US5342421 Pyrolytic gas treatment system |
| 08/18/1994 | WO1994017919A2 Process for extracting recoverable substances from composite materials |
| 08/16/1994 | US5338335 Method for treatment of oil contaminated filings of magnesium and magnesium alloys |
| 08/10/1994 | CN1090558A Apparatus for manufacturing cement clinker |
| 07/20/1994 | EP0606918A1 Rotary drum furnace inlet |
| 07/19/1994 | US5330351 Trefoil construction for rotary kilns |
| 07/19/1994 | US5330109 Control operation of a clutch drive system |
| 07/13/1994 | EP0605832A2 Apparatus for manufacturing cement clinker |
| 07/13/1994 | CN1089244A Method and plant for manufacturing cement and clinker |
| 06/28/1994 | US5324343 Galvanized steel sheet; remelting to eliminate Zn coating; heating action of a fuel and oxidizing agent |
| 06/16/1994 | DE4340382A1 Producing cement clinker in a semi-drying type plant - including a separator to reduce the amount of coarse material reaching the classifying unit |
| 06/15/1994 | CN2169103Y Rotary kiln sealer with flexible connecting cover |
| 06/15/1994 | CN1087983A Rotatable cooler for a rotary kiln plant |
| 06/14/1994 | US5320524 Gas scrubber for wet process rotary kilns |
| 06/09/1994 | WO1994012840A1 Flexible air supply connection in a grate cooler |
| 06/08/1994 | EP0600525A2 Process and installation for drying or heating pourable materials |
| 06/01/1994 | DE4240063A1 Thermal treatment of powdered carbon-contg. substance e.g. coke suspension biological purificn., etc. - by combustion in a rotary pipe over the absence of oxygen@ to give a material suitable for the purificn. of effluent |
| 05/26/1994 | WO1994011690A1 Rotatable cooler for a rotary kiln plant |
| 05/24/1994 | US5314171 Apparatus for the extraction of metals from metal-containing raw materials |
| 05/17/1994 | US5312471 Method and apparatus for the manufacture of large optical grade SiO2 glass preforms |
| 05/17/1994 | CA1329479C Apparatus for roasting fine grained material |
| 05/05/1994 | DE4237161A1 Appts. for preparing materials containing aluminium@ - has screw conveyor in rotary gas-tight tube provided with lock units at inlet and outlet ends |
| 04/07/1994 | CA2107596A1 Split clevis assembly for suspending a chain on a hanger |
| 04/06/1994 | CN2160871Y Electric rotary-drum furnace for Chinese medicine |
| 04/05/1994 | US5299933 Rotary kiln with a polygonal lining |
| 03/31/1994 | WO1994007086A1 Variable flame burner configuration |
| 03/23/1994 | EP0588771A1 A plant for firing ceramic pipes and the like |
| 03/22/1994 | US5295821 Foundry sand thermal reclamation system and method |
| 03/17/1994 | WO1994005195A1 Self-contained cleaning and retrieval apparatus |
| 03/17/1994 | WO1994002792A3 Method for improved manufacture of cement in long kilns |
| 03/16/1994 | EP0498792B1 Segmented seal for rotary equipment |
| 03/08/1994 | US5292247 Apparatus for thermal processing of raw materials in dust form |
| 03/03/1994 | WO1994004472A1 Process for baking gypsum and oven for carrying out said process |
| 02/22/1994 | US5287589 Self-contained cleaning and retrieval apparatus |
| 02/16/1994 | CN2156461Y Chinese traditional medicine electric carbon furnace |
| 02/15/1994 | US5286200 Rotary kiln |
| 02/15/1994 | US5285581 Method for drying waste materials |
| 02/10/1994 | DE4303298C1 Barrier medium seal comprising annular flanges for rotary kiln - ensuring complete sealing against combustion gas emission useful for special waste incineration |
| 02/09/1994 | EP0581779A1 Device for charging combustible solids to rotary kilns. |
| 02/03/1994 | WO1994002792A2 Method for improved manufacture of cement in long kilns |
| 02/03/1994 | CA2139874A1 Method for improved manufacture of cement in long kilns |
| 01/26/1994 | EP0579987A1 Rotary kiln |
| 01/25/1994 | CA1326357C Rotary kiln |
| 01/19/1994 | EP0290488B1 Treatment of waste and a rotary kiln therefor |
| 01/18/1994 | US5279106 Split clevis assembly for suspending a chain on a hanger |
| 01/12/1994 | EP0578140A1 Heat exchanger using cyclones with a bottom exhaust gases tube |
| 01/05/1994 | CN2152194Y Material pressing and ditching device for powder mine sintering |
| 12/28/1993 | CA1325680C Hot kiln alignment system |
| 12/23/1993 | EP0581779A4 Device for charging combustible solids to rotary kilns. |
| 12/22/1993 | EP0574778A1 Rotary kiln off-gas vent system |
| 12/14/1993 | US5269637 Single-loop dust separation cyclone |
| 12/08/1993 | EP0572600A1 Control and operation of a clutch drive system. |
| 12/01/1993 | EP0572322A1 Installation and process for the precalcination of any mineral matters |
| 11/30/1993 | US5265304 Portable cleaning apparatus |
| 11/25/1993 | DE4313306A1 Geared drive assembly - has pinions and gears located on tilting bearings with balanced support construction for adjustment |
| 11/24/1993 | EP0571251A1 Rotary-drum furnace for chemical reactions |
| 11/24/1993 | EP0570696A1 Rotary drum |
| 11/23/1993 | US5263724 Segmented seal for rotary equipment |
| 11/19/1993 | CA2094691A1 Rotary drum |
| 11/16/1993 | US5261943 Method and apparatus for the extraction of metals from metal-containing raw materials |
| 11/10/1993 | EP0568984A1 Process for manufacturing briquettes of predetermined composition |
| 11/09/1993 | US5259876 Method and apparatus for the manufacture of clinker from mineral raw materials |
| 11/09/1993 | US5259756 Rotary kiln off-gas vent system |
| 11/03/1993 | EP0568202A1 Method of incinerating waste in a rotary kiln plant, and plant therefor |
| 11/03/1993 | EP0567777A1 Tip movable roller bearing |
| 11/03/1993 | EP0567467A1 Rotating tube heat treatment unit, in particular a rotating tubular kiln, with indirect heat feed or dissipation. |
| 11/02/1993 | US5258101 Pyrolytic conversion system |
| 11/02/1993 | US5257587 Method and apparatus for introducing and incinerating solid combustible waste in a rotary kiln |
| 11/02/1993 | US5257586 Method and apparatus for feeding to a rotary device |
| 10/29/1993 | CA2093166A1 Tiltable supporting roller bearing |
| 10/27/1993 | EP0566689A1 Lightweight aggregate from fly ash and sewage sludge |
| 10/20/1993 | EP0566451A1 Process and installation for reclaiming metals from metallic scrap material |
| 10/19/1993 | US5254172 Rotating furnace tube having a non-rotating slidable work holder for processing semiconductor substrates |
| 09/29/1993 | EP0562252A1 Process and grate cooler for the cooling of warm bulk material |
| 09/14/1993 | US5244383 Method and apparatus for reducing the circulation of salts particularly in cement kilns |
| 08/26/1993 | WO1993017135A1 Recovery of non-ferrous metals from dross |
| 08/24/1993 | US5238401 Slagging rotary kiln |
| 08/24/1993 | US5238400 Apparatus for distributing pneumatically conveyed solid pulverulent material |
| 08/10/1993 | US5235611 Stepped end rotary furnace |
| 08/05/1993 | DE4202749A1 Rotary furnace for heat treatment of granular or powdered material - has rotating drum with ceramic lining on inside surface of drum in region to which heat is applied |
| 08/04/1993 | EP0553878A1 Grate cooler |
| 08/04/1993 | EP0553632A2 Controlled operation of an industrial furnace |
| 07/27/1993 | US5230617 Furnace shell cooling system |
| 07/14/1993 | CN2138283Y Refractory concrete rotary kiln clinker unloading apparatus |
| 07/13/1993 | US5227026 Retort heat exchanger apparatus |