Patents Represented by Attorney Waddey & Pattterson, P.C.

Find this attorney in the Justia Lawyer Directory

  • Control system for modulating water heater
    Patent number: 7506617
    Abstract: A control system is provided for a modulated heating system including a plurality of modulating water heaters, which may be modulating boilers. A deadband control scheme provides for reduced cycling of the modulating heater when total system heat demand falls between the maximum output of one heater and the sum of the maximum output of that one point and the minimum firing point of the next subsequent heater.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: March 24, 2009
    Assignee: Lochinvar Corporation
    Inventor: John C. Paine