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Refrigeration unit air temperature detection alarm system
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Issued on: 06/07/1977
Inventor: Goleman
Electronic temperature control system
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Issued on: 01/02/1979
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Central system for controlling remote devices over power lines
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Issued on: 11/13/1979
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Multiple station temperature monitor system
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Data communication system for activating remote loads
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Thermostat alterable by remote control
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Issued on: 06/29/1982
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Method and apparatus for power load shedding
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Control unit for a multi-unit building
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Issued on: 10/26/1982
Inventor: Ruby
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Electronic temperature control system
Patent #: 4362270
Issued on: 12/07/1982
Inventor: Cleary , et al.
Apparatus for power load-shedding with auxiliary commandable thermostat
Patent #: 4389577
Issued on: 06/21/1983
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Temperature regulating system for the control of temperature in a room
Patent #: 4391913
Issued on: 07/05/1983
Inventor: Keldmann
Air conditioning control method
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Issued on: 02/21/1984
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Portable, remote environmental control system
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Zoned control system
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Issued on: 10/30/1984
Inventor: Didner
Refrigeration monitor system with remote signalling of alarm indications
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Issued on: 11/13/1984
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Portable energy level control system
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Issued on: 04/29/1986
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Zone condition controller and method of using same
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Issued on: 10/07/1986
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Zone condition controller and method of using same
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Issued on: 12/16/1986
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Automatic light-intensity control
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Remote control means for heating/cooling devices
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Issued on: 06/16/1987
Inventor: Grant
Spread-spectrum communication system
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Issued on: 09/01/1987
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Issued on: 10/27/1987
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System for remotely adjusting a parameter of an electrical circuit within an enclosure
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Issued on: 11/03/1987
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Air direction control apparatus for a louver at an air outlet
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Issued on: 03/08/1988
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Velocity controlled forced air temperature control system
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Issued on: 03/22/1988
Inventor: Osheroff
Wireless battery powered temperature remote controller
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Issued on: 03/29/1988
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Delayed response air conditioning/heating control system
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Issued on: 11/15/1988
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Issued on: 01/03/1989
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Electronic control system with improved communications
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Issued on: 03/07/1989
Inventor: Evans
Fire condition detection and control system for air moving and filtering units
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Air flow damper control system
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Issued on: 04/25/1989
Inventor: Tate
Bypass controller and bypass system
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Remote controlled thermostat
Patent #: 4860950
Issued on: 08/29/1989
Inventor: Reeser , et al.
Heating and airconditioning control system
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Issued on: 08/14/1990
Inventor: Romano
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Wireless thermostat and room environment control system
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Issued on: 11/13/1990
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Wireless alarm system
Patent #: 4977577
Issued on: 12/11/1990
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Variable air volume ventilation system and method
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Issued on: 02/26/1991
Inventor: Floyd
Energy controlling system for time shifting electric power use
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Extended RF range alarm system
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Remote supervisory and controlling machine
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Issued on: 04/16/1991
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Zone control system providing synchronization of system operation with the zone of greatest demand
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Issued on: 06/18/1991
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Microcomputer which enters sleep mode for a predetermined period of time on response to an activity of an input/output device
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Issued on: 01/21/1992
Inventor: Watanabe
Microprocessor controlled climate control device for a plurality of mass transit vehicles
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Issued on: 04/14/1992
Inventor: Karg, et al.
Remote control system for control of electrically operable equipment in people occupiable structures
Patent #: 5109222
Issued on: 04/28/1992
Inventor: Welty
Spread spection signal detector
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Issued on: 06/09/1992
Inventor: Cantwell
Building automation system operating installation control and regulation arrangement
Patent #: 5128855
Issued on: 07/07/1992
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Wireless alarm system Patent #: 5155469
Issued on: 10/13/1992
Inventor: Hartmann, et al.
May 27, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
