Patents by Inventor Bernard C. de Langavant

Bernard C. de Langavant 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).

  • CO.sub.2 temperature control system for transport vehicles
    Patent number: 4986086
    Abstract: A cooling system for an enclosure comprising an evaporator containing cryogen in liquid and gaseous phases, a vent coupled to the evaporator to release excess pressure therefrom as a result of heat absorbed by the cryogen, and a controller for the vent to produce a generally cyclical pressure variation in the evaporator having an amplitude selected in accordance with the desired heat absorption capacity of the cooling system.
    Type: Grant
    Filed: August 18, 1989
    Date of Patent: January 22, 1991
    Assignee: Fridev Refrigeration Systems, Inc.
    Inventor: Bernard C. de Langavant