Patents by Inventor Gerard Stierlein

Gerard Stierlein 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).

  • Devices for tying a layer of threads or slivers
    Patent number: 4021896
    Abstract: The shuttle of the tying device is of magnetic metal, at least at its extremities. Each extremity of two arms is fitted with an electromagnet for temporarily receiving and retaining the corresponding extremity of the shuttle. The electromagnets are energized in alternate sequence through circuits comprising switches which are actuated in synchronism with the forward and backward movements of the arms by means of stationary contact-studs.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: May 10, 1977
    Assignee: Societe Alsacienne de Constructions Mecaniques de Mulhouse
    Inventor: Gerard Stierlein