Patents by Inventor Zygmunt Piatek

Zygmunt Piatek 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).

  • Artificial elbow mechanism
    Patent number: 4038706
    Abstract: Artificial elbow mechanism featured with the bending and active locking mechanisms attached to one control cable in such a way that the control cable passes on a pulley in the forearm part creating the point of application of a forearm flexion force and subsequently on a pulley accommodated inside the lock being the point of application of a force for releasing the lock by pulling the lock out from a cut-out in the arm part.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: August 2, 1977
    Assignee: Centralnt Osrodek Techniki Medycznej
    Inventors: Jan Ober, Zygmunt Piatek