A-S CAPITAL INC. A CORP OF DE

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4543796 Control and method for tempering supply airExpiredJun 15, 84Oct 01, 85[F24F]
4528822 Heat pump refrigeration circuit with liquid heating capabilityExpiredSep 07, 84Jul 16, 85[F25B]
4483156 Bi-directional variable subcooler for heat pumpsExpiredApr 27, 84Nov 20, 84[F25B]
4418548 Variable capacity multiple compressor refrigeration systemExpiredMar 29, 82Dec 06, 83[F25B]
4381549 Automatic fault diagnostic apparatus for a heat pump air conditioning systemExpiredOct 14, 80Apr 26, 83[G01M]
4373351 Control apparatus for an air conditioning system providing a plurality of energy-saving modes of operationExpiredOct 14, 80Feb 15, 83[F23N, F25B]
4373354 Combination discharge gas muffler and water heaterExpiredSep 28, 81Feb 15, 83[F25B]
4359877 Heat pump coil circuitExpiredMay 11, 81Nov 23, 82[F25B]

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