Patents by Inventor Rudolphus A. F. J. van Thiel

Rudolphus A. F. J. van Thiel 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).

  • Anchoring fibre for use in concrete
    Patent number: 4233364
    Abstract: An anchoring fibre of metal to be used in concrete, having a flattened end and a transversely extending projection on the end. The flattened end may be either rectangular or triangular in planform, and the projections may be either pyramidal or a flange. The body may have protuberances extending therefrom.
    Type: Grant
    Filed: May 15, 1979
    Date of Patent: November 11, 1980
    Assignee: Van Thiel's Draadindustrie (Thibodraad) B.V.
    Inventor: Rudolphus A. F. J. van Thiel