Patents by Inventor Richard D. D'Aversa

Richard D. D'Aversa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4476920
    Abstract: A method and apparatus for integrating operation of a heat pump and a separate heating source are disclosed. The combination of a heating lockout relay and an interlock relay are utilized to provide for fail safe integrated operation including providing for selected control functions and for isolating other functions to prevent a failed electrical component from operating the system in an undesirable manner.
    Type: Grant
    Filed: July 2, 1982
    Date of Patent: October 16, 1984
    Assignee: Carrier Corporation
    Inventors: Alan S. Drucker, Richard D. D'Aversa, Richard D. Jeffers