Patents by Inventor Reed R. Allen, deceased

Reed R. Allen, deceased 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 apparatus and method
    Patent number: 4345440
    Abstract: A refrigeration system employing an adiabatic expansion and an impulse generating means for the oscillatory compression and pumping of the working fluid. The impulse generating means is a venturi having a liquid inlet downstream of the throat with means for applying heat by a heat source, typically the waste heat of an automobile engine to the working fluid. The working fluid may be used to cool air through an evaporation in an automobile passenger compartment.
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: August 24, 1982
    Inventors: Reed R. Allen, deceased, by Mary G. Allen, heir