Patents for F27D 99 - Subject matter not provided for in other groups of this subclass (3,665)
02/1992
02/25/1992CA1296249C Porous body combustor/regenerator
02/23/1992WO1992003896A1 Treatment of oxide-containing dusts
02/23/1992CA2089755A1 Treatment of oxide-containing dusts
02/19/1992EP0471087A1 Continuous firing furnace
02/19/1992CN2096727U Stove pounding machine
02/06/1992WO1992001818A1 Vacuum processing of reactive metal
01/1992
01/29/1992EP0468832A1 Furnace for holding the temperature and for metallurgical treatment
01/29/1992EP0323961B1 An improved fluid barrier curtain system
01/28/1992US5084090 Vacuum processing of reactive metal
01/28/1992US5083917 Single port inshot target burner
01/28/1992US5083516 Processed wastes as supplemental fuel for modified cement films
01/20/1992CA2044529A1 Vacuum processing of reactive metal
01/15/1992CN2093356U Storage tub for water coal pulps
01/14/1992CA2046777A1 Oven with temperature holding for metallurgical treatment
01/14/1992CA1294126C Reheating furnace with rotating-flame burners for slabs and billets
01/07/1992WO1992001074A1 Reclamation of metal from scrap
01/07/1992US5078594 Device for charging combustible solids to rotary kilns
01/07/1992CA2086253A1 Reclamation of metal from scrap
01/02/1992EP0462972A1 Method for energy recovery from solid hazardous waste.
12/1991
12/24/1991US5074533 Endothermic furnace
12/24/1991CA1293487C High temperature fan plug apparatus
12/03/1991US5069616 Ignition device for lances
12/03/1991US5069429 Plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide
11/1991
11/19/1991US5066843 Heat resistant and light weight container for materials to be ashed, and process for manufacture thereof
11/14/1991WO1991017644A1 Process and devices for the induction heating of a moving elongate metallurgical product
11/13/1991CN1014741B Furnace and its operation method
11/12/1991US5064996 Electric furnace
11/12/1991US5064995 Heating device for generating very high temperature
10/1991
10/23/1991EP0452561A2 Electric heating device
10/23/1991EP0428727A4 Vacuum induction furnace
10/22/1991US5059117 Radiant tube furnace and method of burning a fuel
10/22/1991US5058513 Energy recovery from containerized waste
10/17/1991DE4011825A1 Web materials processing roller induction heater - has induction loop with variable length to give different heating zones
10/15/1991US5058126 Silicon carbide beam as refractory in an open-arc furnace
10/09/1991EP0451075A1 Device for induction heating of metal workpieces
10/02/1991DE4028587C1 Plate shaped heating device - includes channels for flowing agent and heatable surface, useful for moulding flat thermoplastic components
10/01/1991US5052921 Controlling temperature
09/1991
09/18/1991EP0447300A1 Method for melting and refining a batch
09/12/1991DE4006839A1 Sealing equipment for heated cylinder - esp. glass fibre preform tube in furnace to prevent reactive gas entry
09/10/1991US5047611 Method for selectively curing a film on a substrate
09/05/1991WO1991013307A1 Continuous firing furnace
09/03/1991US5044944 Furnace of decreasing oxygen concentration to ultra low amount
08/1991
08/29/1991DE4006752A1 Coated coke esp. petroleum coke to limit gas evolution - with water-glass or milk of lime applied by spraying or impregnation
08/29/1991DE4005962A1 Straightening machine for anode rods - has straightening jaws and rotating unit to turn the rods in the straightening position through 90 deg.
08/29/1991DE4005653A1 Box annealing furnace - comprises heat-resistant elastic seal with its top end attached to upper oven part and its weighted lower end resting on lower oven part
08/28/1991EP0443201A1 Industrial furnace
08/27/1991US5042964 Flash smelting furnace
08/27/1991US5042399 Hearth arrangement for melting furnace
08/27/1991CA1288001C Furnace
08/10/1991CA2035723A1 Plant for treating and melting metals, metal compounds and/or metal alloys or for producing calcium carbide
08/08/1991WO1991011892A1 Electric tubular heating element and method for making the same
08/08/1991WO1991011658A1 Destroying waste using plasma
07/1991
07/25/1991WO1991010873A1 Heating apparatus for semiconductor wafers or substrates
07/25/1991DE4001480A1 Automatic adjustment of sealing shutter - has motors responding to gap measured using video cameras
07/17/1991EP0436718A1 Method of charging ore in melt-reduction
07/09/1991US5031229 Deposition heaters
07/03/1991WO1991010105A1 Flash smelting furnace
07/03/1991CA2072879A1 Flash smelting furnace
07/02/1991US5028248 Method of melting materials and apparatus therefor
06/1991
06/20/1991DE3941467A1 Firing of electrode rods to form graphite - uses metal tube with preforms pushed steadily along while surrounded by hot gas
06/20/1991DE3941466A1 Furnace for firing carbonaceous parts to form graphite - comprises single tube heated with hot gas and has preheating chamber to drain excess binder and other liquids easily
06/20/1991DE3941465A1 Firing furnace for raw materials - circulating gas through heating tube and controlling oxygen level
06/12/1991EP0431419A1 Mechanical seal and device for sealing a rotating pipe against a fixed casing
06/04/1991US5020208 Process for heating a semifinished product produced by continuous casting or deformation
05/1991
05/29/1991EP0429355A1 Device assuring a charge remains horizontal while being transferred from a higher to a lower level
05/29/1991EP0428727A1 Vacuum induction furnace
05/15/1991EP0427230A2 Hearth arrangement for melting furnace
05/15/1991EP0426991A1 Process for drying and sintering of ceramics, for example ferrites or similar, and furnace for this process
05/14/1991US5015171 Tunable pulse combustor
05/08/1991EP0425998A1 Blow-back barrier
05/08/1991DE3936467A1 Industrial furnace modules have metal plates - clad with insulation layers and assembled by non-conductive retainers
05/07/1991CA1283845C Burner design for melting glass batch and the like
04/1991
04/30/1991US5012488 Crucible for inductive heating
04/28/1991CA2026798A1 Blowback barrier
04/23/1991US5009398 Device for reducing the stresses on a sealing shutter
04/16/1991CA1282910C Pasty gasket for producing a leakproof seal between surfaces which are subjected to heat and which have to be joined
03/1991
03/26/1991US5003551 Induction melting of metals without a crucible
03/19/1991CA1281584C Wide laminar fluid doors
03/14/1991WO1991004348A1 Deposition heaters
03/14/1991CA2066573A1 Deposition heaters
02/1991
02/19/1991US4995051 Smelting furnace and method for feeding material to be processed therein
02/05/1991US4990754 Apparatus for transmitting heat under vacuum by grains
02/05/1991US4989841 Metal continuously melting and retaining furnace
01/1991
01/30/1991EP0410829A1 Process for heating a metallic bath
01/30/1991EP0410094A1 Tongs for discharge of billets from an induction heating device
01/29/1991CA2021303A1 Heating process for a metal tank
01/17/1991DE4021391A1 Observation window cleaning in process chamber contg. fine particles - inert gas is fed into chamber behind lens through porous inner pipe and leaves via opening into main process chamber
01/06/1991CA2017470A1 Process for reducing contamination of high temperature melts
01/06/1991CA2012238A1 Furnace enclosure having a clear viewpath
12/1990
12/27/1990EP0403712A1 Disconnectible thermal connector
12/25/1990US4979895 Shield
12/04/1990US4974529 Method for energy recovery from containerized hazardous waste
12/04/1990CA1277214C Heat treatment process, hood used in said process, and role of the latter in heat treating ovens
11/1990
11/29/1990WO1990014569A1 High-temperature gas-burning furnace
11/22/1990EP0397658A1 Ignition device for lances
11/20/1990CA1276471C Process and lance for the production of a bath of molten metal or alloys
11/20/1990CA1276435C Product drying and cooking installations
11/15/1990WO1990013781A1 Vacuum induction furnace
11/14/1990CN2065751U Heavy oil pipe with measuring for intermittent working furnace and kiln
11/13/1990US4969407 Containerized hazardous waste homogenate
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