Patents by Inventor Manfred Dietmar Hepp

Manfred Dietmar Hepp 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).

  • Continuously guiding liquids in a digester during pulp digestion
    Patent number: 6261413
    Abstract: The present invention relates to a process for continuously guiding a liquid when digesting pulp in a digester, wherein liquid used in a process step can circulate between containers or tanks arranged at the inflow and outflow side of the digester and when this particular process step has been reached, the digester is connected into the circulation between the containers or tanks associated with the process step.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: July 17, 2001
    Assignee: Impco-Voest-Alpine Pulping Technologies GmbH
    Inventor: Manfred Dietmar Hepp