Patents by Inventor Werner Gassmann

Werner Gassmann 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).

  • Spiral storage
    Patent number: 6270029
    Abstract: A storage for photographic material with a base (20, 120, 220) rotatable around an axis (30), with an input arrangement (16, 116) positioned at an outer circumference of the base, with a removal arrangement (18, 118) positioned at the axis (30, 130) of the base (20, 120, 220), whereby two photographic material belts are wound/unwound, and, in particular, one close to the axis (30, 130) and one close to the outer circumference of the base (20, 120), whereby a loop (42) between the belts leads to a photographic material exchange from the outer belt to the inner belt, whereby the winding direction is preferably reversed, whereby, the base (20, 120) is divided into two sections (12, 14; 112, 114; 212, 214), whereby the one section (14; 114; 214) surrounds the other section (12; 112; 212).
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: August 7, 2001
    Assignee: Gretag Imaging AG
    Inventors: Albert Dünner, Edmund Fendt, Hans Frei, Werner Gassmann
  • Cassette for winding up photographic strip material
    Patent number: 5284305
    Abstract: The cassette comprises two pivotable guide members (6,7) which guide the photographic strip material (B) round a hollow cylindrical guide sleeve (5) which can be slipped onto a rotatably mounted, drivable winding core (4) and, on being slipped onto that winding core, locks into its operating position.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: February 8, 1994
    Assignee: Gretag Systems, Inc.
    Inventors: Werner Gassmann, Albert Dunner, Erich G. Binder