Patents by Inventor Albert Stumpf

Albert Stumpf 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: 4240912
    Abstract: An immersion dialyzer which comprises a removable dialysis head including a membrane holder, at least one inlet canal and a return canal. A holder tube is removably connectable to the dialysis head and includes therein at least one inlet pipe removably connectable to the inlet canal and a return pipe removably connectable to the return canal. A removable membrane is stretchable over the dialysis head, and a closure is provided for the holder tube.
    Type: Grant
    Filed: April 25, 1979
    Date of Patent: December 23, 1980
    Assignee: Boehringer Mannheim GmbH
    Inventors: Albert Stumpf, Jan Strejcek