Patents by Inventor Arno Knapp

Arno Knapp 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).

  • Process to enrich a gas in a liquid
    Patent number: 5968421
    Abstract: Liquid is sprayed in two partial streams into a tank filled with a gas atmosphere and collects at the bottom of the tank. One partial stream sprayed into the atmosphere prevalent collects at the bottom of the tank. At least one other partial stream is fed into the liquid collected at the bottom of the tank. The partial streams are withdrawn from a shared liquid supply.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: October 19, 1999
    Assignee: Messer Griesheim GmbH
    Inventors: Stephan Schattney, Hans-Josef Beutler, Michael Frieges, Arno Knapp