| Patents for F27B 1 - Shaft or like vertical or substantially vertical furnaces (4,707) |
|---|
| 11/15/1990 | WO1990013781A1 Vacuum induction furnace |
| 11/15/1990 | DE3936384A1 Shaft furnace for melting of iron |
| 11/14/1990 | EP0397134A1 Shaft furnace for melting of iron |
| 11/14/1990 | CN1010405B Process and equipment for calcining cement grog |
| 11/08/1990 | DE3914700A1 Bridging rib for shaft furnace top - has metal cooling duct supporting refractory bricks |
| 11/07/1990 | EP0396389A1 Production of aluminum master alloy rod |
| 11/07/1990 | CN2065306U Air-jacketed lead blast furnace |
| 10/31/1990 | EP0395397A2 Process and apparatus for treatment of excavated landfill material in a plasma fired cupola |
| 10/31/1990 | CN1046596A Cupola furnace for smelting iron and steel shavings |
| 10/27/1990 | CA2013591A1 Process and apparatus for treatment of excavated landfill material in a plasma fired cupola |
| 10/24/1990 | EP0394214A1 Plants to be used for metallurgical treatments of metals, metal compounds and/or metal alloys or for producing calcium carbide |
| 10/13/1990 | CA2013780A1 Plant to be used for metallurgical treatments of metal compounds and/or metal alloys for producing calcium carbide |
| 10/10/1990 | CN2063617U Mechanical charging device for shaft kiln |
| 10/10/1990 | CN2063616U Energy-saving special induced draft fan for ring kiln |
| 10/03/1990 | CN2063215U Two-alligator tower discharging device for verticle cement kiln |
| 10/03/1990 | CN2063214U Vertical device for clinkering cement by dry process |
| 09/26/1990 | CN2062811U Cupola blasted impulsively by changing tuyers |
| 09/26/1990 | CN2062810U Flame trap |
| 09/26/1990 | CN2062809U External combustion type lime kiln with double-layes fuel |
| 09/26/1990 | CN2062790U Dry-wet dual-step whirl duster for offtake of cupola |
| 09/26/1990 | CN1009735B Device for closing top central opening of vessel, and its application to storage hopper in shaft furnace charging installation |
| 09/11/1990 | US4955587 Arrangement for recovering molten pig iron or steel pre-products from lumpy iron-oxide containing charging substances |
| 09/05/1990 | EP0384987A1 Method and apparatus for continuously heating and melting material |
| 08/22/1990 | CN2060867U Cyclone separator for spray furnace cap |
| 08/22/1990 | CN1009270B Process and equipment of vertical kiln with ring section |
| 08/08/1990 | EP0380878A2 Method and apparatus for producing cement clinker |
| 08/08/1990 | CN1044449A Method and apparatus for producing cement clinker |
| 07/25/1990 | CN1008939B Process and apparatus for charging a shaft furnace |
| 07/18/1990 | CN1043986A Sealing shutter for shaft furnace |
| 07/17/1990 | US4941792 Handling device for a distribution chute of a shaft furnace and drive mechanism suitable for this device |
| 06/26/1990 | CA1270709A1 Method and apparatus for feeding a rotating melter |
| 06/13/1990 | CN1042983A Cupola fume decontaminating method and plant |
| 06/13/1990 | CN1042891A Dust collecting technology of flue gas from vertical kiln of producing cement by wet forward ejection and counter filtering process |
| 06/06/1990 | CN1042772A Installation for charging shaft furnace |
| 06/05/1990 | CA1269832A1 Process and apparatus for charging a shaft furnace |
| 06/05/1990 | CA1269831A1 Process for controlling the charging of a shaft furnace |
| 05/30/1990 | CN1042602A Energy-saving mechanized vertical kiln for cement manufacturing |
| 05/29/1990 | CA1269688A1 Control device for plasma generators |
| 05/23/1990 | CN1042409A Vertical fluidized kilm |
| 05/16/1990 | EP0368266A1 Process and cupola installation for the production of high-grade iron |
| 05/10/1990 | DE3934997A1 Charging system for shaft furnace - has closure and deflection baffle in hopper, slidable vertically and axially, and bucket flap |
| 05/02/1990 | CN2056740U 加热炉 Furnace |
| 05/01/1990 | US4921532 Supplying iron ore and coke, injection of coal and oxygen in stoichiometric amount for carbon monoxide and hydrogen production |
| 04/25/1990 | CN2056499U Air coal mixer for cement rotary kiln |
| 04/25/1990 | CN2056498U Vertical coal save brickkiln |
| 04/18/1990 | EP0363576A1 Apparatus for blowing preheated air into a shaft furnace |
| 04/18/1990 | CN2056233U New-type cupola for melting iron and steel chips |
| 04/18/1990 | CN1041441A Verticle furnace of kiln |
| 04/18/1990 | CN1041394A Installation for charging shaft furnace |
| 04/04/1990 | EP0361926A2 Melting and holding furnace |
| 04/03/1990 | US4913649 Repair of the refractory lining of the wall of a shaft furnace and a repaired shaft furnace |
| 04/03/1990 | US4913406 For performing smelting operations |
| 04/03/1990 | CA1267435A1 Method and means for use in the installation of plasma generators in shaft furnaces |
| 03/29/1990 | DE3831354A1 Process for disposing of the calcium carbide-containing slag arising in the desulphurisation of molten cast iron with calcium carbide |
| 03/14/1990 | EP0357655A1 Melting furnace. |
| 03/14/1990 | CN1007178B Apparatus for energy recovery from furnace waste gas |
| 03/13/1990 | US4908059 Feeding carbon containing solids and oxygen into precombustion chamber, effecting primary combustion and yielding reducing gas, separating residues, introducing reducing gas and oxygen into melting furnace for secondary combustion |
| 03/08/1990 | WO1990002104A1 Process for calcining rocks containing calcium carbonate to a given co2 content |
| 03/07/1990 | EP0172913B1 Process and device for removing impurities contained in melted iron flowing from shaft furnace |
| 03/07/1990 | CN2054161U Swivel coupling for calcining furnace |
| 02/21/1990 | CN2053316U Aerated laminary cord cosy |
| 02/14/1990 | CN1039650A Device for controlling charge shoot of vertical furnace and device for driving same |
| 02/07/1990 | EP0353541A2 A method of recycling steel belted tires |
| 02/07/1990 | CN2052521U Blast furnace top |
| 02/07/1990 | CN1039445A Disposition of injection of hot air for shaft furnace |
| 02/01/1990 | DE3825237A1 Grating for a cupola or similar shaft furnace |
| 01/30/1990 | US4896810 Apparatus for melting scrap |
| 01/24/1990 | CN1039102A Movable automatic controller for baking bricks and generating electricity |
| 01/24/1990 | CN1006554B Process for controlling charging of shaft furnace |
| 01/23/1990 | US4895593 Process of recovering molten pig iron or steel pre-products from lumpy iron-oxide and scrap using a fluidized bed |
| 01/16/1990 | US4893794 Device for mounting a gripper to a piercing machine |
| 01/16/1990 | US4893735 Apparatus for controlling hydraulic jacks mounted on a rotary hopper |
| 01/10/1990 | CN2050957U Gangue roaster |
| 01/09/1990 | US4892293 Brick casting method of making a stave cooler |
| 01/03/1990 | EP0349167A2 Method of desulfurizing molten metal in a plasma fired cupola |
| 01/02/1990 | US4890503 Method for probing inside a blast furnace with a pressurized probe |
| 12/27/1989 | CN2050141U Hot-blast stove chamber for cupola |
| 12/26/1989 | US4889556 Method of recycling steel belted tires |
| 12/13/1989 | CN2049336U Electrically controlled pneumatic safety device for heat tube system of kiln or furnace |
| 12/13/1989 | CN2049335U Preheating furnace for electrically melting magnesium |
| 12/12/1989 | US4886448 Shaft installation for processing of fuel-containing solid materials |
| 12/07/1989 | DE3913287A1 Koksloser, gasbefeuerter kupolofen Cokeless, gas-fired cupola |
| 12/06/1989 | CN2048950U Energy saving steamer stove |
| 12/05/1989 | CA1263530A1 Injection of pulverulent materials by pneumatic means |
| 11/29/1989 | CN2048566U Door driving device of power saving resistance furnace |
| 11/28/1989 | CA1263231A1 Charging installation for a shaft furnace |
| 11/22/1989 | CN2048172U Vertical kiln of tower machine with ventilation by chain drive |
| 11/21/1989 | US4881869 Furnace charging throat construction |
| 11/21/1989 | US4881670 Automatic melt supplying method and holding furnace having automatic melt supplying system |
| 11/15/1989 | EP0342148A2 Process and installation for the thermal treatment of solids |
| 11/15/1989 | CN2047768U Integral horizontal heating furnace for heat-conducting oil |
| 11/15/1989 | CN2047767U Coal-fired oven |
| 11/08/1989 | CN2047356U Energy-saving wheel kiln |
| 11/07/1989 | US4878944 Pollution control |
| 11/07/1989 | US4878797 Method and apparatus for correcting the falling path in a loading installation of a shaft furnace |
| 11/07/1989 | US4878655 Furnace charging throat construction |
| 11/02/1989 | DE3912260A1 Process and equipment for melting scrap iron and scrap steel |
| 11/01/1989 | CN2046996U Tooth-type discharging device of vertical cement kiln |
| 11/01/1989 | CN2046995U Cover driving device of energy-saving resistance furnace |
| 11/01/1989 | CN2046994U Movable leakage-bottom electric furnace |