Patents by Inventor Gerard Welbergen

Gerard Welbergen 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: 3956797
    Abstract: In an anchorage for tendons, such as strands, an anchorage body for anchoring tendons with wedges, having a central passage or bore for the tendon, at least one part or section of which passage widening conically from the inlet end to the outlet end in order to form a seat for wedges, said anchorage body presenting at the inlet end of said passage a projection integral with the remaining part of the body and having also a passage or bore for the tendon to form a holding means for a sealing element surrounding the portion of a tendon near the anchoring body.
    Type: Grant
    Filed: March 29, 1972
    Date of Patent: May 18, 1976
    Assignee: Antonio Brandestini
    Inventors: Antonio Brandestini, Hans-Rudolf Siegwart, Gerard Welbergen