Patents by Inventor Hendrik A. Jaspers

Hendrik A. Jaspers 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).

  • Heat transfer interface between a high temperature heat source and a heat sink
    Patent number: 4052854
    Abstract: A heat-transfer interface between and separating a high temperature heat source and a heat sink is formed by the adjacent walls of the heat source and heat sink with a thin gap between these walls and helium gas sealed in the gap, the walls preferably defining concentric hemispheres; this interface being particularly feasible as separable walls of the heater portion of a Stirling engine and a heat source.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: October 11, 1977
    Assignee: North American Philips Corporation
    Inventors: Frits K. du Pre, Hendrik A. Jaspers