| Patents for F27D 99 - Subject matter not provided for in other groups of this subclass (3,665) |
|---|
| 10/30/1990 | US4966548 Grate cooler device for the heat treatment of bulk material |
| 10/25/1990 | DE3912928A1 Enclosed electroslag remelting furnace - with upper and lower part and movable valve disc |
| 10/25/1990 | DE3823670A1 Process and apparatus for heating preforms |
| 10/23/1990 | US4965813 Combustion aiding apparatus for steel-making electric-arc-furnace |
| 10/23/1990 | US4964799 Heating furnaces |
| 10/23/1990 | US4964798 Method and apparatus for quickly purging atmosphere gas from bell furnace |
| 10/17/1990 | EP0392068A1 Vacuum induction furnace |
| 10/17/1990 | CN1010004B Combustor design for materials i.e. the melting glass charge |
| 10/16/1990 | US4963090 Reverse flow furnace/retort system |
| 10/03/1990 | EP0390231A2 Apparatus and process for generating radiant energy |
| 09/25/1990 | US4959841 Process for reducing contamination of high temperature melts |
| 09/19/1990 | EP0387519A1 Retrofit coke oven door seal |
| 09/11/1990 | US4956849 Continuous |
| 08/16/1990 | DE3936919A1 Furnace brazing of motor vehicle radiators - involves furnace with baffle plate to protect radiator from flow of circulating air |
| 08/14/1990 | US4948365 High-temperature, gas-burning furnace |
| 07/26/1990 | DE4000515A1 Mikrowellenveraschungs- und analysegeraet, komponenten und verfahren Mikrowellenveraschungs- and analysegeraet, components and methods |
| 07/25/1990 | EP0378821A2 Pusher grate installation for the heat treatment of bulk material |
| 07/24/1990 | US4943231 Regenerative burner system |
| 07/11/1990 | CN1043747A Device for reducing the stresses on sealing shutter |
| 07/10/1990 | US4940408 For firing molded ceramic green product |
| 07/10/1990 | US4940376 Scrap loader for molten metal furnace |
| 07/03/1990 | US4939033 Metallurgic containers |
| 07/03/1990 | US4938283 Bell orifice plate for inshot combustion furnace |
| 06/27/1990 | CN1043377A Method for energy recovery from solid hazardous waste |
| 06/19/1990 | US4935054 Through a chute to mouth of furnace |
| 06/13/1990 | DE3843002A1 Method and heating furnace for heating billets, ingots, slabs, sheets and similar products to be heated |
| 06/13/1990 | DE3841521A1 Furnace for HIP installations |
| 06/05/1990 | US4930965 Apparatus for charging solid fuel to rotary kilns |
| 05/31/1990 | WO1990005782A1 Method for energy recovery from solid hazardous waste |
| 05/23/1990 | EP0369642A2 Method of melting materials |
| 05/22/1990 | US4927994 Modular resistance heater assembly |
| 05/22/1990 | US4927357 Method for gas lancing |
| 05/17/1990 | WO1990005273A1 A firing and drying furnace for ceramic mouldings, especially green bricks |
| 05/16/1990 | EP0368033A1 Device for the control of the gas pulse burners in a tunnel furnace |
| 05/10/1990 | DE3906244C1 Directly heatable, pot-shaped crucible, in particular for the hot extraction of metallic specimens |
| 05/01/1990 | US4921521 Method and furnace for melting inorganic materials |
| 04/26/1990 | DE3835491C1 Sealing apparatus for the joints of furnace trucks for a tunnel furnace |
| 04/25/1990 | CN1041576A Process of graphitization of carbon elements and background of invention for apparatus |
| 04/24/1990 | US4919764 Retrofit coke oven door seal |
| 04/19/1990 | DE3835360A1 Tunnel furnace |
| 04/19/1990 | DE3834795A1 Industrieofen Industrial furnace |
| 04/17/1990 | US4918705 Furnace enclosure having a clear viewpath |
| 04/17/1990 | CA1267783A1 Dross cooling |
| 04/10/1990 | US4915622 Fluid barrier curtain system |
| 03/27/1990 | US4912302 Furnace for sintering ceramics, carbon heater used therefor and process for sintering ceramics |
| 03/20/1990 | US4909733 Method and apparatus for gas lancing |
| 03/20/1990 | US4909731 Method and apparatus for conducting a process in a pulsating environment |
| 03/20/1990 | US4909160 Temperature-controlled exhaust particulate collection system for high temperature material processing facility |
| 03/15/1990 | DE3829703A1 Method for inducing and supporting the longitudinal movement of rotary tubes |
| 03/08/1990 | DE3828660A1 Device for sealing off the hearth from the furnace chamber on bogie hearth furnaces |
| 02/27/1990 | CA1266210A1 Re-radiating heat shield |
| 02/15/1990 | DE3826894A1 Rotary furnace with sectional combustion air supply |
| 02/13/1990 | US4900247 High-temperature heating furnace |
| 02/08/1990 | DE3826651A1 Seal for a thermal insulation |
| 02/07/1990 | EP0354203A2 Process and apparatus for graphitizing shaped carbon articles |
| 02/07/1990 | EP0354127A1 Bell-type furnaces, in particular for annealing metallic coils in a controlled atmosphere |
| 02/06/1990 | US4898319 Ambient air exclusion system for brazing ovens |
| 01/16/1990 | US4894009 Apparatus for contactless sealing of an opening against emerging or entering gas |
| 12/19/1989 | US4887539 Process and apparatus for continuous dry removal of bottom |
| 12/05/1989 | US4885454 High temperature furnace for oxidizing atmospheres |
| 11/28/1989 | US4883258 Plasma furnace |
| 11/23/1989 | EP0343072A1 Device for heat transmission under vacuum with grains |
| 11/21/1989 | CA1263017A1 Space saver log pusher |
| 10/04/1989 | EP0335728A2 Method and apparatus for gas lancing |
| 10/04/1989 | EP0335615A2 A process for firing ceramic shaped bodies and firing tools used therefor |
| 09/21/1989 | DE3807495A1 Process for the rapid heating and cooling of material being fired in periodically and continuously operated ceramic furnaces (kilns) |
| 09/20/1989 | EP0332926A2 Continuous furnace for sintering pressed metal powders |
| 09/19/1989 | US4867675 Method and apparatus for quickly purging atmosphere gas from bell furnace |
| 09/08/1989 | WO1989008231A1 Liquid to solids heat exchanger |
| 09/08/1989 | WO1989008153A1 Process for implementing reducing pyrometallurgical processes with pellets |
| 08/29/1989 | US4861001 Melting retort and method of melting materials |
| 08/23/1989 | EP0252967B1 Apparatus for continuous dry removal of bottom ash |
| 08/22/1989 | US4859178 Ingot pusher furnace with means for reducing heat loss |
| 08/16/1989 | EP0328418A1 Radiant tube furnace and method of burning a fuel |
| 08/15/1989 | US4856987 Tunnel kiln for ceramic firing |
| 07/25/1989 | US4850863 Sealed insulating wall for a furnace |
| 07/25/1989 | US4850862 Porous body combustor/regenerator |
| 07/25/1989 | US4850860 Radiant wall for heat exchangers, muffle kilns and similar equipment |
| 07/25/1989 | US4850290 Method for energy recovery from solid hazardous waste |
| 07/18/1989 | US4848751 Lance for discharging liquid nitrogen or liquid argon into a furnace throughout the production of molten metal |
| 07/11/1989 | US4846675 Annealing furnace |
| 07/05/1989 | EP0322678A2 Regenerative burner system |
| 06/28/1989 | EP0321611A1 Furnace tube for a radiation heating tube of an industrial oven |
| 06/27/1989 | US4842255 Dross cooling apparatus |
| 06/20/1989 | US4840559 Seal arrangement for high temperature furnace applications |
| 06/15/1989 | DE3838458A1 Arrangement for preventing heat losses and for conveyance in continuous tunnel furnaces |
| 06/14/1989 | EP0319948A2 Wide laminar fluid doors |
| 06/13/1989 | US4839904 Apparatus for the melting of metals |
| 05/30/1989 | US4834650 Sealed rotary hearth furnace with central bearing support |
| 05/23/1989 | US4832154 Buffer stop device for a side loading furnace |
| 05/18/1989 | WO1989004417A1 Ignition device for lances |
| 05/09/1989 | US4828609 Method to protect the surface of metal in vertical melting furnaces |
| 04/25/1989 | US4823680 Protecting space from the incursion of external fluidsT?????h)??????????0*0*0 |
| 04/12/1989 | EP0311538A1 Process and apparatus for the continuous and simultaneous graphitisation of long carbonaceous bodies and of carbonaceous grains moving counter-currently |
| 04/11/1989 | US4820150 Walking beam type reheating furnace |
| 04/04/1989 | US4818222 Sealed rotary hearth furnace |
| 03/23/1989 | WO1989002477A1 Method of charging ore in melt-reduction |
| 03/07/1989 | CA1250713A1 Method of producing carbonaceous bodies |
| 02/23/1989 | DE3726676A1 Turn-over-type butt seal for baking waggon |
| 02/21/1989 | US4806156 Process for the production of a bath of molten metal or alloys |