Patents by Inventor Jurgen Preetz

Jurgen Preetz 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).

  • Reaction vessel
    Patent number: 4749480
    Abstract: The reaction vessel is provided with a partition to separate a sub-chamber from the reaction chamber of the vessel. The sub-chamber also contains lamellar flowbacks for the separation of liquid and biomass. Clean liquid is collected in troughs at the top end inside of the flowbacks and is transported via a circular trough to a discharge spigot. Biomass is discharged via sludge pockets which open directly into the reaction chamber.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: June 7, 1988
    Assignee: Sulzer Brothers Limited
    Inventors: Hermann Luhrs, Jurgen Preetz