Patents by Inventor Hans U. Walter

Hans U. Walter 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).

  • Patent number: 4046617
    Abstract: The method of refining, or growing, bulk single crystals in which the base material is suspended, positioned, and shaped as a containerless melt by wetting forces in an environment substantially free of gravity.
    Type: Grant
    Filed: September 5, 1975
    Date of Patent: September 6, 1977
    Inventors: James C. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Fletcher, Hans U. Walter, Robert S. Snyder