Patents by Inventor Gerd E. Schaal

Gerd E. Schaal 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).

  • Regenerative heat exchanger
    Patent number: 4200441
    Abstract: A heat exchanger of the regenerative type comprising a rotor constructed of corrugated strip layers providing transverse channels extending therethrough. The device is arranged to have separate gas streams directed through different parts of the rotor so that on rotation of the rotor the storage mass effects the exchange of sensible heat between the streams.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: April 29, 1980
    Assignee: LTG Lufttechnische GmbH
    Inventors: Winfried Honmann, Gerd E. Schaal