Patents by Inventor Arnulf Rabl

Arnulf Rabl 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).

  • Solar concentrator with restricted exit angles
    Patent number: 4130107
    Abstract: A device is provided for the collection and concentration of radiant energy and includes at least one reflective side wall. The wall directs incident radiant energy to the exit aperture thereof or onto the surface of energy absorber positioned at the exit aperture so that the angle of incidence of radiant energy at the exit aperture or on the surface of the energy absorber is restricted to desired values.
    Type: Grant
    Filed: November 10, 1977
    Date of Patent: December 19, 1978
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Arnulf Rabl, Roland Winston
  • Prisms with total internal reflection as solar reflectors
    Patent number: 4120565
    Abstract: An improved reflective wall for radiant energy collection and concentration devices is provided. The wall is comprised of a plurality of prisms whose frontal faces are adjacent and which reflect the desired radiation by total internal reflection.
    Type: Grant
    Filed: June 16, 1977
    Date of Patent: October 17, 1978
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Arnulf Rabl, Veronika Rabl