Patents by Inventor Johannes Karl Ewald Colditz

Johannes Karl Ewald Colditz 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).

  • Neutron therapy apparatus
    Patent number: 3995163
    Abstract: The portion of the shield of a neutron radiation apparatus which is situated nearest to the neutron source is made of tungsten. As a result, a commonly used outer shielding layer consisting of a heavy metal can be dispensed with, so that improved shielding and a substantial saving as regards weight are combined.
    Type: Grant
    Filed: February 13, 1975
    Date of Patent: November 30, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Johannes Karl Ewald Colditz