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Class Information
Number: 236/15BF
Name: Automatic temperature and humidity regulation > Furnace controlled > Commercial furnace controls > Specialized furnace or heater, e.g., crystal growing

Patents under this class:

Patent Number Title Of Patent Date Issued
4982347 Process and apparatus for producing temperature profiles in a workpiece as it passes through a belt furnace Jan. 1, 1991
4907177 Computerized multi-zone crystal growth furnace precise temperature and heating control method Mar. 6, 1990
4817009 Furnace zone temperature control Mar. 28, 1989
4781324 Preheat temperature balancing control Nov. 1, 1988
4380317 Furnace control Apr. 19, 1983
4323763 Parametric power controller Apr. 6, 1982
4144997 Control of multiple fuel streams to a burner Mar. 20, 1979
4141539 Heat treating furnace with load control for fan motor Feb. 27, 1979
4060377 Temperature monitoring furnace Nov. 29, 1977
4031950 Process fluid circulation and temperature control system Jun. 28, 1977
3967614 Gas fired fusion furnace and fusion head assembly Jul. 6, 1976

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