Patents by Inventor Franz Nadler

Franz Nadler 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: 5249754
    Abstract: For lifting and grasping a starting portion of a film located in a coil, the method includes driving a coil by a friction wheel abutting against an outer surface of the coil with an end edge of a starting portion of the coil located arbitrarily on the outer surface, placing a separating wedge under a prestress on the outer surface of the coil and lifting the starting portion of the film from the coil by an edge of the separating wedge, and first turning the coil against a latter uncoiling direction, and after a recognition of a position of the end edge of the starting portion of the film turning the coil in the uncoiling direction.
    Type: Grant
    Filed: April 27, 1992
    Date of Patent: October 5, 1993
    Assignee: Agfa-Gevaert AG
    Inventors: Traugott Liermann, Franz Nadler, Jurgen Risser
  • Patent number: 5003343
    Abstract: A projection copying apparatus for reproducing microfilmed originals on a light-tightly disposable projection screen and for producing copies of microfilmed originals comprises means for copying of dot originals operating for complete or sectional copying of the originals, and a projection screen including a diffusing disc, an LCD dics arranged on the diffusing disc, the LCD disc being switchable between two conditions so that in one of the conditions it is transparent for observation of the originals and in the other of the conditions it is opaque for copying or searching.
    Type: Grant
    Filed: February 1, 1990
    Date of Patent: March 26, 1991
    Assignee: AGFA-Gevaert AG
    Inventors: Hubert Hackenberg, Traugott Liermann, Franz Nadler, Herbert Plaschke, Hans J. Schrecke