Patents by Inventor Fred W. Vahldiek

Fred W. Vahldiek 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: 4714564
    Abstract: A multifunctional corrosion inhibitor consisting essentially of an alkali metal borate, an alkali metal nitrate, an alkali metal nitrite, an alkali metal metasilicate, an alkali metal phosphate, mercaptobenzothiazole and at least one selected surfactant.
    Type: Grant
    Filed: April 21, 1982
    Date of Patent: December 22, 1987
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Charles T. Lynch, Fred W. Vahldiek, Mohammad Khobaib
  • Patent number: 4349636
    Abstract: A method for imparting ductility and very high electrical conductivity to very brittle refractory single crystals by subjecting said crystals to a hydrostatic deformation technique at room temperature and at pressures of from about 5 to 25 kilobars.
    Type: Grant
    Filed: May 14, 1981
    Date of Patent: September 14, 1982
    Inventor: Fred W. Vahldiek