Patents by Inventor Herbert E. Pritzlaff

Herbert E. Pritzlaff 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).

  • Apparatus and method for aligning and welding tubular metal components together
    Patent number: 4084739
    Abstract: An apparatus and method for concentrically and radially aligning and welding together two tubular metal components, such as a metal pipe or tubing, and a tubular flanged member, or two or more metal pipes or tubings.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: April 18, 1978
    Assignee: Wisconsin Centrifugal, Inc.
    Inventors: Lawrence D. Koltz, Herbert E. Pritzlaff