Patents by Inventor Harry Sander

Harry Sander 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).

  • Self-cleaning bucket wheel lock
    Patent number: 4176765
    Abstract: Self-cleaning bucket wheel lock comprising several cells or compartments. The apparatus which permits coalescent material to be introduced into a closed apparatus comprises a casing with a material inlet and discharge outlet, and a rotor basket. The rotor basket is mounted in position on a drive shaft passing through the casing and an elastic hose is secured to the rotor basket. The hose enables the volume of each cell to be varied whenever the drive shaft is caused to rotate.
    Type: Grant
    Filed: February 9, 1978
    Date of Patent: December 4, 1979
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ursus Thummler, Hugo Werner, Harry Sander