Patents by Inventor Lawrence D. Englehart

Lawrence D. Englehart 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).

  • Mesh roof facing system
    Patent number: 5406764
    Abstract: A roofing system includes a strong nonmetallic mesh placed over an array of purlins, and secured to the periphery of the roof. Metal roofing panels, insulation, and a weatherproof layer are laid over the mesh. The mesh has sufficient strength to protect workers on the roof from falls, and sufficiently small openings to catch dropped tools and fasteners.
    Type: Grant
    Filed: June 2, 1993
    Date of Patent: April 18, 1995
    Inventors: Richard H. Van Auken, Lawrence D. Englehart, Ralph C. Hall
  • Mesh roof facing system
    Patent number: 5251415
    Abstract: A roofing system includes a strong nonmetallic mesh fabric placed loosely over an array of purlins, and secured fast at the periphery of the roof. The fabric, which serves to support roof insulation between the purlins, also has sufficient strength to protect workers laying the insulation, or roofing panels over the insulation, as well as those on the ground below, in case of an accident.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: October 12, 1993
    Assignee: Butler Manufacturing Company
    Inventors: Richard H. Van Auken, Lawrence D. Englehart, Ralph C. Hall