Patents by Inventor Dirk Weuster-Botz

Dirk Weuster-Botz 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 the series cultivation of micro-organisms or cells in gasified liquid columns
    Patent number: 6063618
    Abstract: A reaction apparatus has a plurality of reaction flasks whose bottoms can communicate with a sterile gas source and are provided with porous filter plates which permit the gas to flow into the vessel but prevent the liquid from passing out through the plates. The culture flasks are received in pockets on an upper plate of a double-bottom structure which can communicate through the upper plate between a space within the double bottom and the bottom of the culture flasks. The spiral gas feed is connected to the double-bottom space.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: May 16, 2000
    Assignee: Forschungszentrum Julich GmbH
    Inventors: Dirk Weuster-Botz, Jutta Altenbach-Rehm