Patents by Inventor Fred G. Siedow

Fred G. Siedow 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).

  • Mapping system for an internal cylindrical surface
    Patent number: 4521968
    Abstract: Apparatus for mapping the inner surface of a cylinder utilizing a laser to align a spider disposed within the cylindrical surface, the spider having a rotatable arm with a finger connected to a linear variable differential transducer. The finger being biased outwardly and the arm is rotated 360.degree. from a predetermined angular position, the spider and arm are moved axially predetermined increments and signals indicative of the axial and annular position of the arm and the extension of the finger are recorded and processed to map the internal surface of the cylinder.
    Type: Grant
    Filed: October 12, 1982
    Date of Patent: June 11, 1985
    Assignee: Westinghouse Electric Corp.
    Inventors: Larry C. Wiltermood, David J. Barich, Fred G. Siedow