Patents by Inventor Henry Robert Pellerin

Henry Robert Pellerin 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).

  • Refrigeration control apparatus and method
    Patent number: 6711445
    Abstract: A refrigeration control apparatus comprises a master unit with a mother board. The mother board comprises a bus configured to carry signals between boards coupled to the mother board. A processor board interfaced to the mother board is provided. The processor board comprises a processor, and a program memory where instructions for the processor are stored on the program memory. An interface circuit coupled to the mother board is provided. A load control module interfaced to the mother board is provided, wherein the load control module comprises an interface circuit coupled to the mother board, and a circuit breaker coupled to a power input. A load relay comprising a first interlocked relay and a second interlocked relay coupled to the circuit breaker is provided. The load relay is configured to switch power. An override switch and the processor coupled to the load relay to control the load relay is provided.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: March 23, 2004
    Assignees: Kysor/Warren, Danfoss Inc.
    Inventors: Richard Heath, Roy M. Rader, Henry Robert Pellerin, Paul Friedlander