Patents by Inventor Mitchell Earl Shauf, Sr.

Mitchell Earl Shauf, Sr. 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).

  • Marker post, mold assembly and molding method
    Patent number: 6712547
    Abstract: A marker post comprising an embodiment or aspect of the invention includes a body with upper and lower ends, a bore extending between the ends and a sidewall enclosing the bore. A top panel is mounted on the body upper end and encloses the bore thereat. A base is mounted on the body lower end and includes a perimeter positioned outwardly from the sidewall. An embodiment or aspect of the mold assembly for rotary molding the marker post includes first and second mold halves enclosing a mold cavity with body and base subcavities. In one embodiment or aspect of a marker post manufacturing method of the invention, the body and base are integrally rotary molded in first and second mold halves, which are separated for extracting the rotary-formed marker post.
    Type: Grant
    Filed: February 8, 2003
    Date of Patent: March 30, 2004
    Assignee: Petroflex, N.A., Inc.
    Inventors: Mitchell Earl Shauf, Sr., Nelson C. Newton
  • Utility pole crossarm, crossarm assembly, and method of manufacture
    Patent number: 6367226
    Abstract: A utility pole crossarm assembly includes a crossarm comprising a plastic base material with fiber reinforced plastic fill material and a foaming agent. The crossarm is adapted for bolting on a utility pole and for being supported thereon by a pair of diagonal cross braces.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: April 9, 2002
    Assignee: Petroflex N.A., Inc.
    Inventors: Mitchell Earl Shauf, Sr., Ronald L. Ross