| Patents for F27D 3 - Charging; Discharging; Manipulation of charge (11,678) |
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| 10/01/1991 | US5054033 Tiltable arc furnace |
| 10/01/1991 | US5053076 Process and device for removal of arsenic, tin & artimony from crude lead containing silver |
| 10/01/1991 | US5052923 Oven for partial heat treatment of tools |
| 10/01/1991 | CA1289998C Electric oven, namely for heat processes |
| 09/26/1991 | DE4009291A1 Tapping system for metallurgical vessel - has tubular element joining the vessel bottom to reception container top to facilitate tilting |
| 09/24/1991 | US5051180 Device for removing material from the free surface of a body of liquid using unequal length linkages |
| 09/17/1991 | US5049185 Method and arrangement for supplying liquid to an oven |
| 09/17/1991 | US5048732 Transfer tube |
| 09/17/1991 | US5048666 Nuclear fuel pellet transfer escalator |
| 09/17/1991 | US5048168 Ceramic transport shaft with metal end cap, particularly for glass melting furnaces, with heat expansion compensation |
| 09/04/1991 | EP0445090A1 A flash removal device in a plant of production of mineral wool |
| 09/04/1991 | EP0444312A1 Diskroller for a roller hearth furnace |
| 09/04/1991 | CN1013806B Roller for transpting steel matallurgical products moving in stove |
| 09/03/1991 | US5044612 Apparatus to clean refractory-lined conveyor troughs |
| 08/29/1991 | WO1991013305A1 Metallurgical unit |
| 08/29/1991 | DE4006281A1 Metallurgisches aggregat Metallurgical aggregate |
| 08/29/1991 | CA2053912A1 Metallurgical unit |
| 08/28/1991 | EP0444006A1 An arrangement for installing and removing a lance into and from a metallurgical vessel and a method therefor |
| 08/27/1991 | US5042964 Flash smelting furnace |
| 08/27/1991 | CA1288001C Furnace |
| 08/21/1991 | EP0442009A1 Tubular graphite furnace with a sample carrier with positive location means for atomic absorbtion spectroscopy |
| 08/21/1991 | EP0441927A1 Sealable casting device for a metallurgical container. |
| 08/14/1991 | EP0441574A1 Skid member using Fe/Cr dispersion strengthened alloys |
| 08/14/1991 | EP0441573A1 Heat-resistant alloy |
| 08/14/1991 | EP0441526A1 Insulation sheaths |
| 08/14/1991 | CN1053816A Arrangement for installing and removing lance into and from metallurgical vessel and method therefor |
| 08/10/1991 | CA2035723A1 Plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide |
| 08/07/1991 | EP0439760A1 Device for supporting heat-treated products in a reheating furnace |
| 08/07/1991 | CN1053601A Molten steel runner made of aluminium-carbon composition with low cement content |
| 08/07/1991 | CA2035634A1 Skid rail using fe/cr dispersion strengthened alloys |
| 08/07/1991 | CA2035618A1 Skid rail alloy |
| 08/03/1991 | CA2035127A1 Arrangement for installing and removing a lance into and from a metallurgical vessel and a method therefor |
| 07/30/1991 | US5035597 Apparatus for manufacturing multi-element sintered material |
| 07/30/1991 | US5035402 Furnaces |
| 07/25/1991 | WO1991010872A1 Collecting pit for receiving molten metal |
| 07/25/1991 | DE4006497A1 Transporting roller for heated products in ovens - has cylindrical body and screw form transporting surface with larger pitch in centre than at ends |
| 07/24/1991 | EP0438004A1 Method and device for making composite products having a metal matrix |
| 07/24/1991 | CN1013281B Rail plate of walking beam heating furnace |
| 07/23/1991 | US5033926 Heat retaining means |
| 07/18/1991 | DE4037379A1 Lining up rows of magnetisable workpieces - involves magnets to set down workpieces on discharge conveyor |
| 07/17/1991 | EP0436718A1 Method of charging ore in melt-reduction |
| 07/16/1991 | US5032177 Method and apparatus for the removal of slag from metallic melt bath in a melting furnace |
| 07/16/1991 | US5032173 Aluminum furnace charging system and process of changing |
| 07/11/1991 | DE4041217A1 Driven roller for continuous heating furnace - has core tube enclosed in removable layer of thermal insulation |
| 07/10/1991 | CN2080649U Combination bidirectional truck loader |
| 07/09/1991 | US5030274 Method for recovering metallics and non-metallics from spent catalysts |
| 07/09/1991 | CA1285772C Methods for simultaneously desulfurizing and degassing steels |
| 07/03/1991 | WO1991010105A1 Flash smelting furnace |
| 07/03/1991 | CA2072879A1 Flash smelting furnace |
| 07/02/1991 | US5028248 Method of melting materials and apparatus therefor |
| 07/02/1991 | US5028035 Apparatus for gas treatment of a liquid aluminum bath |
| 06/25/1991 | US5025961 Refractory shutoff assembly capable of improved emergency closing |
| 06/19/1991 | CA2032409A1 Process and apparatus for producing metal matrix composite |
| 06/18/1991 | US5024696 Apparatus and method for degassing molten metal |
| 06/13/1991 | WO1991008431A1 Kiln car insulation structure |
| 06/13/1991 | DE4036377A1 Fuel charging device for steam boiler - has screw conveyor which can handle wet muddy lumps of coal |
| 06/05/1991 | EP0430733A1 Device for turning metallurgical products of square or rectangular section through an angle of 180 degrees |
| 06/05/1991 | EP0430601A1 Insulation sheaths |
| 06/05/1991 | EP0430423A1 Kiln car |
| 06/05/1991 | EP0429978A1 Method of and apparatus for continuously discharging molten metal and slag |
| 06/05/1991 | CN1051873A Storage enclosure for metallurgical products |
| 05/29/1991 | EP0429355A1 Device assuring a charge remains horizontal while being transferred from a higher to a lower level |
| 05/29/1991 | EP0429328A1 Stock room for metallurgical products |
| 05/29/1991 | EP0428661A1 Device for removing worn nozzle bricks or nozzle linings from metallurgical vessels. |
| 05/28/1991 | CA1284490C Heating apparatus |
| 05/21/1991 | US5017131 Atmosphere furnace |
| 05/15/1991 | CN2077104U Spray burning and lock feeding device for suspension decomposition furnace |
| 05/14/1991 | US5014965 Process and apparatus to clean a molten metal or slag conveyor trough |
| 05/09/1991 | WO1991013039A1 Method of firing ceramic building materials |
| 05/08/1991 | EP0426576A1 Handling installation for metallurgical products |
| 05/02/1991 | DE4034405A1 Conveyor motion control for casting moulds on pallets - has electromagnetic couplings to control conveyor wheels in relation to sensed position of pallets |
| 05/01/1991 | CN2076222U Travelling furnace for producing sintered material |
| 05/01/1991 | CN1051081A Shrouded lance |
| 05/01/1991 | CN1012522B Roller-track device for rotary hopper |
| 04/30/1991 | US5011531 Method and apparatus for degassing molten metal utilizing RH method |
| 04/30/1991 | US5011049 Multilayer; high density ceramic core bonded to low density ceramic shell |
| 04/30/1991 | CA2001916A1 Lance with metered core for treating molten metal |
| 04/24/1991 | EP0423579A1 Cleaning device for charging- and discharging-casting siphons of a furnace |
| 04/17/1991 | EP0422353A2 Furnace for the partial thermic treatment of tools |
| 04/17/1991 | EP0422141A1 A sliding closure at the outlet of a vessel, especially one containing molten metal, and suitable fireproof closure components. |
| 04/16/1991 | US5007621 Apparatus for mounting a gas washing sink in a centered manner in perforated brick |
| 04/16/1991 | CA1282942C Kiln furniture |
| 04/16/1991 | CA1282910C Pasty gasket for producing a leakproof seal between surfaces which are subjected to heat and which have to be joined |
| 04/10/1991 | EP0421427A2 Printer with a plurality of ink ribbon cassettes |
| 04/10/1991 | EP0250531B1 Tubular heat transfer conduit for cooling a flow of molten material |
| 04/09/1991 | US5005632 Method and apparatus for cooling a flow of molten material |
| 04/03/1991 | EP0420776A1 Process and installation for charging of a furnace with materials and preheating of the same |
| 04/02/1991 | CA1282382C High precision melter-feeder for liquid or smeltable material |
| 03/30/1991 | WO1991005214A1 Top submerged injection with a shrouded lance |
| 03/29/1991 | CA2026408A1 Method and apparatus for loading an oven with materials, and for preheating said materials |
| 03/27/1991 | EP0419378A1 Apparatus for treating a static aluminium bath of large surface area using gases |
| 03/27/1991 | EP0419300A2 Roller with conical shank |
| 03/27/1991 | EP0418656A1 Process and installation for intermittant simultaneous addition of gases and fine-grained solids into a melt |
| 03/27/1991 | EP0418481A2 Process for smelting a metallic charge |
| 03/27/1991 | CN2074002U Three-wheel steel discharge flat wagon |
| 03/26/1991 | US5002696 Nonporous, density stable in liquid systems |
| 03/26/1991 | US5002262 Apparatus for charging material to be sintered into a sintering machine |
| 03/21/1991 | WO1991003339A1 Sealable casting device for a metallurgical container |
| 03/21/1991 | CA2024938A1 Process and apparatus for at least at times simultaneously supplying a molten metal with a gas and fine-grain solid materials |
| 03/19/1991 | US5000655 Installation for manufacture of ceramic products |