Patents by Inventor Friedhelm Wiederspohn

Friedhelm Wiederspohn 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).

  • Apparatus for separating a gas-water vapor mixture
    Patent number: 5250091
    Abstract: Apparatus for separating a gas-water vapor mixture having a cooling liquid space for circulation of a cooling liquid, at least one duct arranged in the cooling liquid space and a separation water space arranged adjacent the duct. The walls of the duct are made of a permeable membrane so that water condensed from the gas as it flows through the duct can permeate into the separation water space.
    Type: Grant
    Filed: March 5, 1992
    Date of Patent: October 5, 1993
    Assignee: Dornier GmbH
    Inventors: Harald Nigsch, Friedhelm Wiederspohn