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| Number | Title | Issue Date |
| 6997704 | Method and apparatus to aid in the delubrification of parts A method and apparatus for delubrification of parts. The method comprising the steps of moving the parts on the belt into a chamber of the furnace, heating the parts, igniting the unused combustible atmosphere above the parts, and allowing the atmosphere above the p... | 02/14/2006 |
| 6279349 | Method for making glass sheet heating furnace A method for making a furnace for heating a glass sheet by lower electric resistance elements (50) supported by a furnace housing (12) below a roll conveyor (40) and by supplying a gas burner heated hot gas flow from a forced convection heater (56) that p... | 08/28/2001 |
| 6131411 | Method and furnace for heating glass sheets A method and furnace for heating a glass sheet by lower electric resistance elements (50) supported by a furnace housing (12) below a roll conveyor (40) and by supplying a gas burner heated hot gas flow from a forced convection heater (56) that provides a... | 10/17/2000 |
| 4874311 | Method and apparatus for improved regenerative furnace A method and apparatus for improving the performance of a regenerative burner has a combustion chamber which receives and combusts controllable amounts of auxiliary fuel, an oxidizing gas, and possibly air to form hot combustion products. A controllable a... | 10/17/1989 |
| 4474554 | Process and an apparatus for evening out the temperatures within the preheating zone of a kiln In the preheating zone of a ceramic tunnel kiln, a smooth increase in the charge temperature over the full kiln cross-section and, for this reason, a high speed of throughput of goods through the kiln, may be produced by mixing up and heating the kiln gas... | 10/02/1984 |
| 4453915 | Method and apparatus for underfiring oil country tube reheat furnaces The improvement in a walking beam oil country tube reheat furnace comprises a first row of burners positioned in spaced relationship and transverse the furnace hearth with each of the burners containing a refractory housing positioned in the limited space... | 06/12/1984 |
| 4403954 | Apparatus for heat-treating pipes An apparatus for heat-treating pipes comprising a furnace chamber for accommodating a plurality of pipes as arranged in parallel, a chain conveyor disposed in the furnace chamber for transporting the pipes in a direction at right angles to the axes of the... | 09/13/1983 |
| 4340361 | Apparatus for heat-treating cast iron pipes A heat-treating apparatus for practicing a method in which when red-hot iron pipes produced by a centrifugal casting machine are cooled, the pipes are slowly cooled over the temperature range of 800° to 700° C. to ferritize the pipes without separately ... | 07/20/1982 |
| 4160641 | Continuous furnace A furnace for receiving continuously advancing stock in linear array is assembled from a number of independent furnace units. In each unit, a furnace chamber surrounds the advancing stock with a radiative wall. Each chamber is fired by gas burners which s... | 07/10/1979 |
| 4154576 | Oven for firing ceramic materials, having high thermal efficiency The oven according to the invention comprises a plurality of heated superimposed channels and a plurality of rollers for supporting and advancing the ceramic materials, generally tiles, arranged transversely in each channel and closer to the ceiling than ... | 05/15/1979 |
| 4060378 | Method of firing and furnace therefor Reasons of ecology, health and prevention of corrosion require firing methods and furnaces with which the contents of soot and uncombustible gases such as carbon monoxide, hydrogen, hydrocarbons as well as nitrogen oxides and sulfur trioxides do not exces... | 11/29/1977 |
| 4050889 | Rotary oven This oven has a primary heating chamber containing heat-generating equipment producing hot gases. These gases pass from the primary heating chamber to a secondary heating chamber occupied by an indexing rotary magazine in object-exchanging relationship wi... | 09/27/1977 |