APPLIED AUTOMATION, INC., A DE. CORP.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4894145 Automatic control of feedstock vacuum towersExpiredJul 19, 88Jan 16, 90[B01D]
4884242 Backup power system for dynamic memoryExpiredMay 26, 88Nov 28, 89[G11C]
4861555 Apparatus for chromatographic analysis of ionic speciesExpiredMar 11, 85Aug 29, 89[G01N]
4846850 Absorption pressure controlExpiredFeb 19, 88Jul 11, 89[B01D]
4824446 Gas chromatography simulationExpiredMay 23, 88Apr 25, 89[G01N, B01D]
4815965 Monitoring and control of a furnaceExpiredMay 12, 83Mar 28, 89[F23N]
4817009 Furnace zone temperature controlExpiredAug 19, 87Mar 28, 89[G06F]
4806836 Anti-reset windup for controllers in selective control loopsExpiredJan 14, 88Feb 21, 89[G05B]
4795130 Piston biasing meansExpiredSep 24, 82Jan 03, 89[F16K]
4781324 Preheat temperature balancing controlExpiredOct 29, 87Nov 01, 88[B60H, F23N]
4772298 Control of a H.sub.2 S absorberExpiredDec 02, 83Sep 20, 88[B01D]
4769056 Distillation pressure controlExpiredMar 16, 87Sep 06, 88[F25J]
4767467 Apparatus and method for use in thermoelectric power generationExpiredMay 12, 86Aug 30, 88[H01L]
4747912 Cracking furnace controlExpiredAug 24, 87May 31, 88[C06F, C10G]
4737968 QPSK transmission system having phaselocked tracking filter for spectrum shapingExpiredOct 25, 85Apr 12, 88[H03C]
4731175 Preheat control for a fractional distillation processExpiredJul 07, 86Mar 15, 88[B01D]
4726893 Catalytic crackins process controlExpiredMay 16, 86Feb 23, 88[C10G]
4717468 Distillation process control for maximum recovery using minimum energyExpiredJan 28, 87Jan 05, 88[B01D]
4698313 Method and device for controlling a delayed coker systemExpiredFeb 07, 86Oct 06, 87[G01N]
4676870 Automatic control of a multiple-effect evaporatorExpiredJun 02, 86Jun 30, 87[B01D]

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