| Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707) |
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| 06/18/1997 | CN1152109A Annular shaft furnace |
| 05/28/1997 | CN2255027Y Vertical boiler |
| 05/27/1997 | US5632953 Gas recirculating circuit; melting; extracting furnace gas and feeding it back into an oxygen-free melting and overheating zone |
| 05/27/1997 | US5632937 Method of installing a refractory lining |
| 05/21/1997 | EP0774635A1 Ringshaft furnace |
| 05/15/1997 | WO1997017473A1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores |
| 05/14/1997 | CN1149890A Loading device having rotating chute for melting furnace |
| 05/07/1997 | EP0771764A1 Zirconia induction furnace having magnesia insulation for drawing glass optical fibers |
| 05/07/1997 | CN2253818Y Double eccentric hemi-spherical disc mechanical vertical kiln discharging device |
| 04/30/1997 | DE19539634A1 Device for feeding finely divided material into melting area of coke-fired shaft furnace |
| 04/22/1997 | CA2062697C Method and apparatus for manufacturing and repairing molten metal containment vessels |
| 04/16/1997 | CN2252322Y Crude oil heating furnace |
| 04/10/1997 | WO1997012997A1 Scrap melting method |
| 04/10/1997 | DE19536932A1 Process for melting (non)metallic materials |
| 04/08/1997 | US5618032 Apparatus using carbon-containing reducing gas; efficiency, high speed process |
| 04/02/1997 | CN2251123Y Gas up-draft vertical decorating firing kiln |
| 04/02/1997 | CN2251122Y External heating type furnace for preliminary heat treatment in oxidizing |
| 04/02/1997 | CN1146546A External decomposition technology for waste heat generating technology of cement kiln |
| 04/01/1997 | US5616166 Tapping method for blast furnace |
| 03/26/1997 | EP0764220A1 Loading device having a rotating chute for a melting furnace |
| 03/26/1997 | CN2250508Y 扩径机立窑 Expanding shaft kiln |
| 03/25/1997 | CA2039687C Method for operation of flash smelting furnace |
| 03/19/1997 | EP0653147A4 On-site, biohazardous waste disposal system. |
| 03/12/1997 | EP0762068A1 Process for operating an oxygen-consuming metallurgical shaft furnace and shaft furnace for performing said process |
| 03/12/1997 | EP0695280B1 Device for processing and vitrifying waste |
| 03/05/1997 | CN2248857Y Lining making gun for blast furnace |
| 03/05/1997 | CN2248856Y Hot blown furnace with elastic tube bundle |
| 02/20/1997 | WO1997006394A1 Metal fusion furnace and metal fusing method |
| 02/19/1997 | CN2247787Y Air-pressure and -flow controller for cement shaft kiln |
| 02/19/1997 | CN2247786Y Vertical heat pipe crude oil heating furnace |
| 01/29/1997 | CN1141422A Multi-stage cyclone generator |
| 01/21/1997 | US5595599 Fluidized bed furnace |
| 01/16/1997 | WO1997001615A1 Static furnace for the thermal decomposition of solids at high temperatures by thermal radiation |
| 01/16/1997 | CA2194675A1 Static furnace for the thermal decomposition of solids at high temperatures by thermal radiation |
| 12/27/1996 | EP0750168A1 Method of installing a refractory lining |
| 12/25/1996 | CN1138633A Selectively smelting tech. and appts. for fine particle of primary gold ore via contaminating |
| 12/17/1996 | US5584910 Preheating iron ore and fluxes including fines, reducing to sponge iron, melting in presence of carbon carriers and oxygen-containing gas to produce reducing gas, passing first portion to reducing zone, purifying second portion |
| 12/11/1996 | EP0747647A1 Vertical type calcination kiln |
| 12/11/1996 | CN2242431Y Energy saving shaft like electric furnace with double power and changeable chamber |
| 12/11/1996 | CN1137634A Vertical kiln and cement kiln with a precalcinator |
| 11/20/1996 | EP0743289A1 Zirconia induction furnace having magnesia insulation for drawing glass optical fibers |
| 11/13/1996 | CN1135787A Cooled gate valve disk |
| 11/13/1996 | CN1135773A Device for loading a shaft furnace |
| 11/12/1996 | US5573573 Electric arc furnace arrangement for producing steel |
| 11/06/1996 | EP0741190A1 Cooling plates for shaft furnaces |
| 11/06/1996 | CN2239605Y Waste plastic oil refinery evaporating furnace with continuous stirring and periodicaly mechanically removing dregs |
| 10/23/1996 | CN2238408Y Square shaft heating furnace |
| 10/23/1996 | CN1133890A Cooling plate for shaft furnace |
| 10/02/1996 | EP0735575A1 Vertical furnace |
| 10/02/1996 | EP0735334A1 Installation for the production of bricks and/or of rooftiles |
| 09/18/1996 | CN2235445Y Mechanical vertical kiln machine for producing cement clinker by burning honeycomb like raw material |
| 09/11/1996 | EP0731180A1 Stove cooler for shaft furnaces |
| 09/11/1996 | EP0730666A1 Device for loading a shaft furnace |
| 09/10/1996 | US5555259 Process and device for melting down of scrap |
| 09/04/1996 | CN2234602Y Enclosed three-stage discharging mechanism for active lime shaft kiln |
| 09/04/1996 | CN2234601Y Rotary tuyere for blast cupola |
| 09/03/1996 | CA1338567C Method of recycling steel belted tires |
| 08/28/1996 | CN1129796A Waste gas circulating combustion in blast furnace and iron smelting furnace |
| 08/21/1996 | EP0727022A1 Cooled gate valve disk |
| 08/21/1996 | CN1129462A Method for the disposal/recycling of gas cylinders containing filling material |
| 08/14/1996 | EP0641393A4 Method for melting copper. |
| 08/08/1996 | CA2168936A1 Cooling plate for shaft furnaces |
| 08/07/1996 | CN1128242A Method for roasting cement clinker by using honeycomb vertical kiln |
| 07/24/1996 | CN1127350A Dynamic balance melt-improving method for blast cupola with acidic lining |
| 07/16/1996 | US5536167 Method and apparatus for sintering cement clinker |
| 07/16/1996 | US5535991 Plant for producing molten pig iron or molten steel pre-products |
| 07/09/1996 | US5534046 Process for producing molten pig iron or molten steel pre-products |
| 06/27/1996 | DE4446007A1 Annular shaft furnace for firing e.g. limestone |
| 06/27/1996 | DE4445845A1 Begichtungsanlage für Schachtöfen Begichtungsanlage for blast furnaces |
| 06/26/1996 | CN2230028Y Approximate ellipse column like mechanical kiln |
| 06/26/1996 | CN1125317A Energy-saving high yield annular kiln |
| 06/26/1996 | CN1125316A Full blast-cap thin-lining hog-mouthed intake cupola |
| 06/19/1996 | EP0548182B1 Metal-melting furnaces |
| 06/19/1996 | CN2229642Y Computer alarm controlling instrument for cement jet kiln |
| 06/19/1996 | CN1124724A Process for producing cement blending material by calcining gangue and calcining kiln thereof |
| 06/19/1996 | CN1032084C Smoke removing and dust removing method |
| 06/05/1996 | EP0714451A1 Method for the disposal/recycling of gas cylinders containing filling material |
| 06/05/1996 | EP0197137B2 Furnace cooling system and method |
| 06/05/1996 | CN2228644Y Coal jetting device for cement kiln |
| 06/04/1996 | US5522916 Method and apparatus for injecting liquid oxygen |
| 06/04/1996 | CA2040172C Stock-rod system for determining the burden level in a shaft furnace |
| 05/21/1996 | US5518524 Method of reducing emissions from a metal melting furnace |
| 05/15/1996 | CN2227316Y High-efficiency tower grid for mechanical vertical kiln |
| 05/15/1996 | CN1122441A Briquet combusting reverberate furnace |
| 05/07/1996 | US5513835 Distributing chute for a furnace |
| 05/02/1996 | WO1996012612A1 Lime mud regeneration process and apparatus |
| 05/01/1996 | CN2226262Y Shaft-type electrothermic vacuum reacting furnace |
| 04/30/1996 | US5511768 Tap hole plugging device |
| 04/30/1996 | US5511762 Consumable form with degradable lining |
| 04/24/1996 | CN2225650Y Sealing device for blowing system of metallurgical calcining kiln |
| 04/24/1996 | CN2225649Y Vertical kiln |
| 04/24/1996 | CN1121358A Method and apparatus for producing iron |
| 04/17/1996 | CN2225007Y Wet dust collector of vertical kiln with automatic separation of mud and water |
| 04/17/1996 | CN2225006Y Vacuum distillating furnace for treating alloy with high lead content and low tin content |
| 04/10/1996 | CN1120354A Tapping method of blast furnace |
| 04/09/1996 | US5505893 Method for manufacturing and repairing molten metal containment vessels |
| 04/03/1996 | CN2223833Y Hot wind and water cooling furnace for smelting iron or steel filings |
| 04/03/1996 | CN2223832Y Energy-saving equipment for quick heating unfired bricks for wheel kiln |
| 04/02/1996 | US5503373 Shaft furnace |
| 04/02/1996 | CA1338198C Method of desulfurizing molten metal in a plasma fired cupola |