Patents by Inventor Dieter Dahlmann

Dieter Dahlmann 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).

  • Device for mixing solid photographic chemicals with water
    Patent number: 5511876
    Abstract: Preparation device for mixing solid chemical components with water to obtain a solution for the liquid processing of a photographic material, which comprises a tank (12), an open-topped sub-tank (12) mounted in the tank at a level below the maximum level of liquid therein, a chute (16) for passing powder discharged on top of the device into the sub-tank, a mixer in the sub-tank for mixing powder with liquid contained in the sub-tank, and controls for controlling the operation of water supply (26), circulation (21) and mixing.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: April 30, 1996
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Hendrik Plessers, Dieter Dahlmann