Title	Patent Filing Date
Furnace hood structure	1974-09-12
Sintering furnace with hydrogen carbon dioxide atmosphere	1974-03-11
Furnace for heat treating glass sheet material	1975-01-20
Machine for conditioning ore heat-treating furnace throat	1975-03-06
Ore processing furnace	1974-10-29
Method and apparatus for removing molten waste from a furnace	1974-10-17
Method of blast furnace operation utilizing selective recycling of peripheral gas stream	1974-04-03
Plasma heated batch-type annealing furnace	1974-06-17
Novel flat glass-producing furnace	1974-04-08
Electrode construction for resistance heating furnace	1974-06-28
Combustion furnace particularly for burning refuse	1974-10-08
Method for producing a glass flow of high homogeneity in a tank furnace and an arrangement for carrying out the method	1974-12-05
Coupler for electric furnace electrodes	1974-09-23
Induction melting furnace	1974-06-28
Mobile furnace vehicle	1974-08-27
Treatment of blast furnace slag	1974-08-16
Process for preparing a smelter furnace charge composition	1974-04-11
Annealing furnace base plate supports	1974-09-24
Fluidized furnace construction for burning partly dehydrated sludge	1974-11-01
Furnace for incinerating waste materials	1974-09-23
Furnace effluent filter for a carbon baking furnace	1974-12-13
Hot air furnace with improved heat exchanger construction	1974-08-09
Fluidized bed furnace for burning partly dehydrated sludge and method of burning sludge in a fluidized bed furnace	1974-11-01
Device for operating air governing means at a refuse burning furnace	1974-12-30
Induction crucible furnace	1974-04-11
Gravity discharge furnace for heating production parts	1974-08-28
Arrangement for preventing the escape of dust and gas during the filling of a furnace	1974-07-17
Preparation of feed material for a blast furnace	1973-12-11
Elongate units suitable for use as furnace skids or the like	1974-07-31
Method of burning-in lining in bottom blown steelmaking furnace	1975-07-30
Heap pipe vacuum furnace	1973-11-20
Vertical tube type cracking furnace	1974-03-18
Furnace and method for reducing metal oxides to molten metal	1975-03-13
Walking beam furnace	1974-10-21
Furnace installation operated by direct electrical heating according to the resistance principle in particular for preparation of silicon carbide	1974-12-10
Silicon carbide diffusion furnace components	1974-12-06
Power control system for electric arc or refining furnace electrically directly coupled to independent power generating unit or units	1974-10-16
Method of assembling a resistance furnace	1974-07-30
Furnace lining apparatus	1974-06-03
Furnace temperature control system	1974-11-18
Wall construction of a shaft furnace	1974-09-06
Blast furnace evaporative cooler	1974-05-23
Pellet preheating and volatile recycling structure for glass making furnace	1975-07-28
Integral separation start-up system for a vapor generator with variable pressure furnace circuitry	1974-12-16
Metallurgical furnace	1975-04-16
Gas burner and furnace	1974-12-06
High pressure radiant energy image furnace	1973-12-17
Electric furnace with interlocking disconnect panel for electric box	1974-10-11
Furnace wall assembly having reduced thermal conductivity	1975-08-06
Glass treating furnace	1975-01-20