Patents by Inventor Frank Marggraff

Frank Marggraff 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).

  • Plate module and its use for separting fluid mixtures
    Patent number: 5437796
    Abstract: A plate module and its use for separating fluid mixtures according to the methods of pervaporation and vapor permeation is comprised of a feed plate, a cover plate, a gasket, and a membrane to define at least one feed compartment and one permeate compartment. The feed compartment is connected to supply and removal ducts. The feed plate is formed as a single plate with no welding or deformation. Changes in the feed plate and distribution ducts can be easily effected without additional costs.
    Type: Grant
    Filed: July 22, 1993
    Date of Patent: August 1, 1995
    Inventors: Hartmut E. A. Bruschke, Raif Abouchar, Hartmut Ganz, Joel Huret, Frank Marggraff