| Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707) |
|---|
| 06/08/1982 | US4333910 Rotation, stripping |
| 06/08/1982 | CA1125014A1 Shaft furnace having cooling plates |
| 06/02/1982 | EP0052953A1 Shut-off valve for high temperature erosive flow |
| 06/01/1982 | US4332554 Shaft furnace having cooling plates |
| 06/01/1982 | CA1124514A1 Uniflow regenerative shaft furnace for calcining limestone utilizing fuels in fine particulate form |
| 06/01/1982 | CA1124513A1 Process for calcining mineral raw materials in a uniflow regenerative shaft furnace |
| 05/25/1982 | US4331316 Shut-off valve for high temperature erosive flow |
| 05/19/1982 | EP0051622A1 Method of forming furnace cooling elements. |
| 05/18/1982 | CA1123597A1 Ore reduction reactor discharge regulator |
| 05/11/1982 | CA1123206A1 Pyrometallurgical method and furnace processing heavy nonferrous metal raw materials |
| 05/04/1982 | US4327899 Stave cooling device having unwelded double tube |
| 04/27/1982 | US4326700 Dual fuel burner for metal melting furnaces |
| 04/27/1982 | US4326556 Apparatus for sealing the periphery of an opening |
| 04/13/1982 | US4324583 Melting metals |
| 03/24/1982 | EP0048007A1 Metallurgical melting apparatus with a pivotable nozzle or burner |
| 03/16/1982 | CA1119770A1 Suspended gas shroud apparatus |
| 02/23/1982 | US4316739 Method for producing molten iron |
| 02/18/1982 | WO1982000509A1 A method and an apparatus for thermal decomposition of stable compounds |
| 02/18/1982 | WO1982000460A1 A method and an apparatus for the production of a melt |
| 02/17/1982 | EP0046146A1 Use of a muffle furnace for the dezincification of oxidic ferriferous materials containing zinc |
| 02/17/1982 | EP0046145A1 Process and apparatus for the direct reduction of oxidic ferriferous materials |
| 02/16/1982 | US4315620 Stack for the thermal treatment of material |
| 02/09/1982 | US4314846 Ascending carbon to reduce descending metal vapors |
| 01/19/1982 | US4311519 Melting copper |
| 01/13/1982 | EP0043442A1 Shaft furnace and process for feeding oxygen to it |
| 01/05/1982 | US4309170 Vertical shaft furnace |
| 01/05/1982 | US4309024 Cupola with auxiliary gas generator |
| 01/05/1982 | CA1115515A2 Cupola furnace to enable continuous smelting and refining of cement copper and method therefor |
| 12/29/1981 | CA1115297A1 Process and apparatus for the production of cement in a fluidised bed |
| 12/22/1981 | US4306828 Combined flow control and isolation valve |
| 12/22/1981 | US4306827 Apparatus for distributing materials into vertical type furnace |
| 12/15/1981 | CA1114157A1 Process and apparatus for calcining limestone |
| 11/25/1981 | EP0040396A1 Method of operating a shaft kiln |
| 11/24/1981 | US4301997 Continuous copper melting furnace |
| 11/12/1981 | WO1981003221A1 Furnace cooling elements and method of forming furnace cooling elements |
| 10/27/1981 | CA1111244A1 Hot cupola gas burner |
| 10/20/1981 | CA1110848A1 Furnace bottom construction with seal |
| 10/13/1981 | US4294433 Pyrometallurgical method and furnace for processing heavy nonferrous metal raw materials |
| 10/13/1981 | CA1110454A1 Method and apparatus for reducing particulate iron oxide to molten iron with solid reductant |
| 09/29/1981 | US4291634 Solid refuse disposal apparatus |
| 09/16/1981 | EP0035865A2 Vertical-shaft type kiln provided with means for transporting goods therethrough |
| 09/15/1981 | US4289482 Fuel lance structure for a uniflow regenerative shaft furnace |
| 09/15/1981 | CA1108865A1 Method and apparatus for the direct reduction of iron ore |
| 09/15/1981 | CA1108852A1 Waste heat recovery process |
| 09/01/1981 | US4287160 Using gasified coal |
| 09/01/1981 | US4286912 Process and apparatus for charging and sealing a charging port of a chamber |
| 09/01/1981 | US4286775 Apparatus for producing molten iron from iron oxide with coal and oxygen |
| 08/26/1981 | EP0034319A1 Process for making a melt of stone materials in a cupola-furnace |
| 08/25/1981 | CA1107515A1 Continuous smelting and refining of cement copper |
| 08/18/1981 | CA1107336A1 Shaft furnace for producing low-oxygen iron-base metallic powder for powder metallurgy |
| 08/12/1981 | EP0033688A1 Process and apparatus for cement clinker production |
| 08/12/1981 | EP0033447A2 System for discharging coke from a cooling bunker fed with a cooling gas |
| 08/12/1981 | EP0033446A2 Coke transport container |
| 08/11/1981 | US4283223 Process for treating smoke from steel plants |
| 08/11/1981 | CA1106598A1 Apparatus for monitoring the feeding of particulate materials to a packed bed furnace |
| 08/04/1981 | CA1106338A1 Hydrostatic adjusting device |
| 07/28/1981 | CA1105682A1 Continuous processes and equipment for the treatment of solid substances in general, with specific applications for the gasification of coals and schists and direct reduction of iron ores |
| 07/14/1981 | CA1104763A1 Treatment of waste material containing alkali metals in a controlled atmosphere furnace |
| 06/30/1981 | CA1103920A1 Shaft furnace |
| 06/23/1981 | US4274784 Cupola charging |
| 06/02/1981 | US4270740 Apparatus for producing molten iron by submerged combustion |
| 04/21/1981 | US4263468 Plasma-arc melting furnace |
| 04/21/1981 | CA1099508A1 Apparatus for melting and refining raw copper or blister copper |
| 04/02/1981 | WO1981000906A1 Shaft furnace for thermal treatment of material |
| 03/24/1981 | US4257579 Waste heat recovery process and apparatus |
| 03/18/1981 | EP0025133A1 Use of a closed cooling circuit for the evaporative cooling of a shaft furnace |
| 03/17/1981 | US4256290 Bottom cooling arrangement for reduction apparatus |
| 03/11/1981 | EP0024632A1 Use of a closed cooling circuit for the evaporative cooling of a metallurgical furnace or the like |
| 03/11/1981 | EP0024548A2 Furnace lay-out, especially for smelting an ore concentrate |
| 03/03/1981 | US4254221 Method of burning lump-sized combustible material, and an annular shaft kiln for carrying out this method |
| 02/24/1981 | US4252521 Furnace for the heat treatment of lumpy to fine grained material |
| 02/24/1981 | US4252299 Method and apparatus for discharging material from a shaft furnace |
| 02/10/1981 | US4249894 Blast furnace for heating granular material |
| 02/10/1981 | US4249723 Cooling device for smelting plants |
| 02/03/1981 | US4248623 Process for the direct reduction of iron ores |
| 02/03/1981 | US4248408 Method and apparatus for reducing particulate iron oxide to molten iron with solid reductant and oxy-fuel burners |
| 01/07/1981 | EP0021487A1 Shaft furnace having cooling plates inserted into recesses in the lining |
| 01/06/1981 | US4243209 Multiple level refractory hearth for vertical shaft metal melting furnaces |
| 12/02/1980 | CA1090565A1 Calcining kettle having multi-pass heating system |
| 11/26/1980 | EP0019389A1 Vertical pyrolysing furnace, more particularly for tyre pieces |
| 11/25/1980 | US4235425 Impact bed gasifier-melter |
| 11/18/1980 | US4234169 Apparatus for the direct reduction of iron and production of fuel gas using gas from coal |
| 10/21/1980 | CA1088180A1 Method of, and control means for independently adjusting the full mixture composition and melting rate of multiburner shaft furnaces for melting metals |
| 09/30/1980 | CA1086497A1 Vertical direct fired strip heating furnaces |
| 09/23/1980 | US4223874 Shaft furnace for producing low-oxygen iron-base metallic powder for powder metallurgy |
| 09/16/1980 | CA1085621A1 Shaft furnace design |
| 09/09/1980 | US4221638 Fluid-solid contact vessel having fluid distributors therein |
| 08/19/1980 | US4218254 Refractory compositions suitable for preparing low water-content injectable pastes |
| 08/12/1980 | US4217092 Method and device for sintering material of different granular size |
| 08/05/1980 | US4216010 Aluminum purification system |
| 07/22/1980 | US4213790 Process for the production of cement in a fluidized bed |
| 07/22/1980 | US4213509 Hydrostatic setting apparatus for support of loads |
| 07/15/1980 | US4212850 Countercurrent combustion of limestone |
| 07/15/1980 | CA1081458A1 Shaft furnace for pyrolysis of refuse with bed support structure |
| 07/01/1980 | US4210632 Process and apparatus for calcining limestone |
| 06/11/1980 | EP0012132A1 Metallic cooling devices for industrial furnaces |
| 06/03/1980 | US4205831 Ore reduction reactor discharge regulator |
| 05/20/1980 | CA1077997A1 Primary electrode arrangement for high temperature melting furnace |
| 05/06/1980 | CA1076798A1 Blast furnace bottom cooling arrangement |
| 05/06/1980 | CA1076797A1 Metallurgical furnace |