Patents by Inventor Frantisek Langer

Frantisek Langer 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: 4517457
    Abstract: Photo electric sensors, located in a supporting body, are mounted in association with selected one of the plurality of mold sections in a lasting machine. The photo sensors include a light source and a mirror in one housing and a transistor and a mirror in a second housing. The housing being arranged so that the mirrors transfer the light across the gap between the gap between the plier bodies intersecting the path of movement of the associated clamping jaw. The sensors sense the actual position of the work piece in the mold and provide a signal thereof.
    Type: Grant
    Filed: February 4, 1982
    Date of Patent: May 14, 1985
    Assignee: Tovarny strojirenske techniky
    Inventors: Miloslav Valasek, Frantisek Langer, Jaroslav Hradek, Jindrich Seeman