Patents by Inventor Sigfried W. Anderson

Sigfried W. Anderson 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).

  • Pipe hanger insulation support
    Patent number: 4772507
    Abstract: A pipe hanger insulation support is provided and consists of a top segment of heavy density insulation shaped to fit upon top of a pipe, a bottom segment of high compressive strength insulation shaped to fit upon bottom of the pipe and a jacket to surround both segments in which a pipe hanger can bear against.
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: September 20, 1988
    Inventors: Joseph P. Leo, Jr., Sigfried W. Anderson, James Monuszko