Patents by Inventor Vagn Petersen

Vagn Petersen 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).

  • Agitator
    Patent number: 4565453
    Abstract: The invention relates to an agitator for the agitation of liquid media, and more specially for use while completely submerged in the medium. The bearings and the coupling for the agitator shaft are placed in a downwardly opening gastrap, there being a gas cushion between the bearings and the coupling on the one hand and the medium to be agitated on the other hand in order to keep the medium clear of the bearings and the coupling and damaging same.The gas cushion may replenished through a supply duct periodically or continuously.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: January 21, 1986
    Assignee: Ekato Industrieanlagen Verwaltungsgesellschaft mbH & Co.
    Inventors: Herbert Jekat, Rainer Junghaus, Walter Geng, Vagn Petersen