Patents by Inventor James A. Vander Wall

James A. Vander Wall 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: 4246712
    Abstract: A pipe identification system includes a marker fabricated from a rigid material and having indicia imprinted thereon providing information on the pipe contents. Flow direction markers are removably secured and integral with opposite ends of the contents marker. Each flow direction marker has indicia thereon indicating flow direction. One or both of the flow direction markers may be separated from the contents marker prior to attachment of the marker to a pipe. One or more straps engage the markers for attaching the markers to a pipe.
    Type: Grant
    Filed: May 4, 1979
    Date of Patent: January 27, 1981
    Inventor: James A. Vander Wall