Patents by Inventor Hartmut Scheller

Hartmut Scheller 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).

  • Apparatus for opening film cassettes
    Patent number: 4087033
    Abstract: Apparatus for opening substantially rigid synthetic plastic film cassettes of the type having a pay-out section and a film take-up section which are connected by a film-guiding web section of U-shaped cross-section, has first instrumentalities which engage and immovably hold the take-up section, and second instrumentalities which exert upon the pay-out and/or web sections a force sufficient to displace these sections relative to the take-up section to an extent adequate to cause the cassette to crack open.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: May 2, 1978
    Assignee: AGFA-Gevaert, A.G.
    Inventors: Gunther Domges, Hartmut Scheller, Helmut Zangenfeind