Patents by Inventor Walter Lohl

Walter Lohl 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).

  • Small structural building component
    Patent number: 4003450
    Abstract: A small reinforced structural building component, in particular a step, comprises a solid block of rock or the like with at least two longitudinal bores and at least one transverse bore intersecting the longitudinal bores, and reinforcing means extending throughout the system of bores. The reinforcement may comprise metal rods, wire rope, glass rovings, or glass fiber-loaded plastics, and pre-stresses the block.
    Type: Grant
    Filed: April 23, 1975
    Date of Patent: January 18, 1977
    Assignee: Kenngott GmbH & Co. KG
    Inventor: Walter Lohl