| Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707) |
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| 10/31/1989 | US4877449 Vertical shaft melting furnace and method of melting |
| 10/18/1989 | CN1036410A Method and equipment for water cooling and water seal of feed distributor of the blast furnace |
| 10/11/1989 | EP0336920A2 Process for charging of pig iron and installation for performing that process |
| 10/11/1989 | EP0336121A2 Process for operating a cupola furnace |
| 09/27/1989 | CN2044974U Hydraulic column kiln with diameter of 2.5 m |
| 09/27/1989 | CN2044973U Vertical mechanical cement kiln |
| 09/27/1989 | CN2044972U Inclined vibration type material seal pipe |
| 09/27/1989 | CN1035849A Device and process for charging shaft furnice |
| 09/21/1989 | DE3906415A1 Apparatus and method for charging a shaft furnace installation |
| 09/14/1989 | DE3904206A1 Verfahren zum betreiben eines kokslosen, gasgefeuerten kupolofens A method of operating a cokeless, gas-fired cupola |
| 09/14/1989 | DE3806710A1 Burner for single-shaft furnaces for the calcination of limestone |
| 09/13/1989 | CN2044340U Cement machine verticle kiln with equal material loading |
| 09/06/1989 | CN2044059U Annular air port of cupola furnace |
| 09/06/1989 | CN2044058U High-efficiency power saving revolving kiln heating furnace |
| 08/30/1989 | CN2043741U Snake bend-type dust-collector |
| 08/23/1989 | CN1034993A Power-saving circular brickkiln |
| 08/22/1989 | US4859131 Supporting framework for a loading installation of a shaft furnace |
| 08/17/1989 | DE3803576A1 Compressed-air conveyor and metering device |
| 08/08/1989 | US4854861 Process for calcining limestone |
| 08/02/1989 | EP0326403A2 Process for melting cold iron material |
| 08/02/1989 | CN2042180U Funnel-less hot-blast stove with spiral flue |
| 08/02/1989 | CN2042179U Movable multifunctional combined stove |
| 08/01/1989 | US4853033 Method of desulfurizing molten metal in a plasma fired cupola |
| 08/01/1989 | US4852858 Charging material preheater for preheating charging material for a metallurgical smelting unit |
| 07/26/1989 | CN2041798U Figure cemented furnace for enamel |
| 07/19/1989 | CN1034053A Method of and apparatus for melting metal waste |
| 07/18/1989 | CA1257473A1 Furnace cooling system and method |
| 07/12/1989 | EP0226576B1 Equipment for the remaking and repairing of high furnaces |
| 07/12/1989 | CN2041027U Kiln body charging device of rotary kiln |
| 07/12/1989 | CN2041026U Three-way type multipurpose furnace with drip atmosphere |
| 07/12/1989 | CN1033871A Igniting method and apparatus for outer decomposing furnace of cement kiln |
| 07/05/1989 | CN2040622U Water cooling hot blast liner of iron melting furnace for heat wind cast cauldron |
| 07/05/1989 | CN1033687A Small dusting forging heating-furnace |
| 07/05/1989 | CN1004706B Arrangement comprising gasifier and direct reduction furnace |
| 07/04/1989 | US4844426 Vertical shaft furnace for melting aluminum |
| 06/28/1989 | CN2040241U Continuous far-infrared tempering stove |
| 06/28/1989 | CN2040240U Water-cooled purifying cupola with exhaust-heat reclamation |
| 06/27/1989 | US4842256 Apparatus for melting metal |
| 06/27/1989 | US4842253 Method and device for monitoring combustion in furnace |
| 06/22/1989 | DE3742186A1 Installation and method for melting metals, in particular non-ferrous metals |
| 06/21/1989 | EP0320587A1 Process and apparatus for melting scrap metal |
| 06/21/1989 | CN2039823U Electric smelting unit for magnesite |
| 06/21/1989 | CN2039822U Decomposition furnace |
| 06/21/1989 | CN2039821U High temp. founding furnace without lining |
| 06/14/1989 | CN2039403U Brick-discharging device for continuous combustion shaft brickkiln |
| 06/07/1989 | EP0319068A1 Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace |
| 06/07/1989 | CN2039010U Constant-rate unloading device of a vertical cement kiln |
| 06/07/1989 | CN2038907U Combined device for coking and metal ball |
| 06/07/1989 | CN1004440B Vertical double stage coal combustion furnace for ventilating warm air |
| 06/06/1989 | US4836509 Support and introduction bench for an elongated rectilinear probe, and probe adapted to same |
| 05/24/1989 | CN2038224U 真空清洗炉 Vacuum cleaning furnace |
| 05/24/1989 | CN1004299B Vertical cylinder pre-heating system for raw cement powder |
| 05/18/1989 | WO1989004445A1 System for conveying bulk materials |
| 05/17/1989 | CN2037835U Vacuum-chamber type heat-insulating device for box furnace |
| 05/17/1989 | CN2037834U Suspended and movable circulating brickkiln |
| 05/16/1989 | US4829836 Plug for probe nose, method for probing inside a blast furnace with a probe equipped with such a plug and device for carrying out said method |
| 05/10/1989 | CN2037459U Multifunction vacuum furnace |
| 05/09/1989 | US4828609 Method to protect the surface of metal in vertical melting furnaces |
| 05/09/1989 | US4828607 Replacement of coke in plasma-fired cupola |
| 05/03/1989 | DE3743745C1 Method for constructing a shaft furnace, and shaft furnace |
| 04/27/1989 | DE3734988A1 Process for continuously operating a heat recovery installation and apparatus for carrying out the process |
| 04/25/1989 | US4824364 Non-ferrous metal smelting furnace |
| 04/19/1989 | CN2036266U Vertical brick-baking kiln with hydraulic brick-discharging system |
| 04/19/1989 | CN2036265U Flactuation-blasting cement sintering kiln |
| 04/18/1989 | US4822229 Installation for charging a shaft furnace |
| 04/13/1989 | DE3833069A1 Plant for burning lumpy and/or pelleted burning material |
| 04/13/1989 | DE3733349A1 Method and apparatus for melting down scrap, sponge-iron pellets or the like |
| 04/11/1989 | US4820105 Apparatus for charging a shaft furnace |
| 04/05/1989 | CN2035450U Thermal insulator for shaft furnace vacuum chamber |
| 04/05/1989 | CN2035269U Convection type vertical furnace for al ore powder heat decomposition |
| 04/04/1989 | US4818221 Processes and devices for melting materials capable of forming fibers |
| 04/04/1989 | US4817293 Method for axial alignment of an assembly for implanting a parietal probe in a reducing-smelting furnace, and associated implanting assembly |
| 03/30/1989 | DE3733999A1 Blowing coal dust into a cupola furnace |
| 03/29/1989 | CN2035072U Gas permeation shaft furnace without internal muffle sleeve |
| 03/23/1989 | DE3831263A1 Gravity flow container |
| 03/22/1989 | CN2034673U Safety controlling device of fire blowing during collapse of verticle cement kiln |
| 03/14/1989 | US4812100 Rolling track for a rotary hopper |
| 03/14/1989 | US4812092 Feed hopper for a loading installation of a shaft furnace |
| 03/07/1989 | US4810190 Method and apparatus calcining mineral raw materials utilizing solid fuel |
| 03/01/1989 | CN2033489U Complcx ventilation installation of cement vertical oven |
| 02/22/1989 | EP0303963A2 Process and installation for the calcination of limestone |
| 02/22/1989 | CN2033107U Smoke-canceling and aspirating device for furnace cupola |
| 02/16/1989 | DE3825100A1 Vorrichtung zum oeffnen des abstichloches eines schachtofens Apparatus for opening the taphole of a shaft furnace |
| 02/16/1989 | DE3729915C1 Water-cooled tuyère for blast furnaces and hot-blast cupola furnaces |
| 02/09/1989 | DE3822337A1 Furnace for burning carbonate-containing charge |
| 02/08/1989 | EP0302417A1 Process and installation for heating shaft furnaces by a central burner |
| 02/08/1989 | CN2032302U Roof type wide-space electric duster |
| 02/08/1989 | CN2032301U Gas-chambev ventilation, hydraulic-driving tower type mechanised vertical kiln. |
| 02/01/1989 | EP0302047A1 Method and apparatus for the production of liquid pig iron or raw materials for steel from granular charging materials containing iron oxide |
| 01/18/1989 | CN2031078U Pin wheel drive tower type mechanized vertical kiln with air chamber ventilation |
| 01/11/1989 | CN2030704U New-type back-burning dry oven |
| 01/10/1989 | US4797142 Method of preparing a melt for the production of mineral wool |
| 01/05/1989 | DE3720648A1 Method for converting a blast furnace into a smelting gasifier, and use of air as a gasificant |
| 12/28/1988 | EP0296188A1 Process and device for introducing additives into a cupola or shaft furnace. |
| 12/28/1988 | CN88102498A Melting furnace |
| 12/21/1988 | CN88211126U Tower type hydraulic mechanized vertical kiln |
| 12/21/1988 | CN88102156A Oven for drying particulate materials |
| 12/14/1988 | CN88210945U Reaction furnace with air preheating device |
| 12/14/1988 | CN88201870U Device for eliminating smoke and dust of a cupolas |
| 12/07/1988 | CN88210263U Burning device for pearlstone powder |