Patents by Inventor James W. Oliver, Jr.

James W. Oliver, Jr. 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).

  • Self operating excess refrigerant storage system for a heat pump
    Patent number: 4045977
    Abstract: Excess refrigerant is collected within a refrigerant pot surrounding a portion of the return conduit connecting the outdoor coil operating as an evaporator during a heat pump heating cycle to the compressor creating a reduced pressure temperature relationship within the pot cavity causing the migration of liquid refrigerant through a small diameter tube connecting the pot to the liquid line leading from the indoor coil to the outdoor coil at a point upstream of the outdoor coil expansion valve.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: September 6, 1977
    Assignee: Dunham-Bush, Inc.
    Inventor: James W. Oliver, Jr.