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A renewable power control system
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CA2636894A1
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Anti-theft device for vehicles and portable devices
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Security device and alarm system
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Serial tunnel
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Method and apparatus for coupling power generator or wind machine to utility power grid
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Element control within a hot water tank
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Method and system for communicating caller identification information between a remote site and a central monitoring station over pstn
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Message passing via pstn
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Message passing using call display information
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Method and apparatus for coupling power generator to utility power grid
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Thermal storage controller
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Programmable thermostat to reduce bacterial proliferation to prevent legionellosis
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Thermal storage controller
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Narrow-band multi-master communication
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CA2127338A1
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Water heater
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CA2126393A1
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Telephone line multiplier interface
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CA2115717A1
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Method and apparatus for remote control of an electrical load
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EP0647365A1
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Power controller device
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CA2130351A1
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Power controller device
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