Patents by Inventor Hans Laddach

Hans Laddach 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).

  • Method and device for feeding weft wires
    Patent number: 4241767
    Abstract: A fill wire feeder for feeding weft wire to a wrap shed from a lay beam includes a weft wire feeding mechanism disposed outside of the wrap shed and mounted on one end of the lay beam. The mechanism includes two pairs of coacting rotatable rollers, the nips between each pair of which lie in the same plane to define a linear travel path for the weft wire guided therebetween and drive means for rotating at least one roller of each of the pairs.
    Type: Grant
    Filed: March 26, 1979
    Date of Patent: December 30, 1980
    Assignee: Hein, Lehmann Aktiengesellschaft
    Inventors: Hans Laddach, Werner Oertel