Patents by Inventor Hubert K. E. Fuchs

Hubert K. E. Fuchs 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).

  • Patent number: 3975469
    Abstract: A device for revolving a liquid has a hollow shaft for supplying gas to the liquid, and the free end of the shaft is immersed in the liquid where it carries a propeller for revolving the liquid. The propeller comprises at least one screw-shaped vane, and at least part of the vane's surface forms an acute angle with the longitudinal axis of the hollow shaft, as seen from the free end of the shaft, the vane extending along at least two thirds of the circumference of the shaft.
    Type: Grant
    Filed: January 17, 1975
    Date of Patent: August 17, 1976
    Assignee: The De Laval Separator Company
    Inventor: Hubert K. E. Fuchs