Patents by Inventor Karl Zill

Karl Zill 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).

  • Gear pump having an automatic lubricator
    Patent number: 4629405
    Abstract: In gear pumps having an automatic lubricator, channels are provided for the delivery to and the discharge from the pump bearings, of lubricant, which consists of and is withdrawn from the medium to be conveyed. The conveying means for conveying the lubricant through the channels are mounted in the shafts of the gear pump. The channels can connect the suction side or the delivery side or the suction and delivery sides of the pump to the pump bearing.
    Type: Grant
    Filed: August 6, 1980
    Date of Patent: December 16, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Geza Hidasi, Karl Zill
  • Device for laying down continuous material by means of a pair of profiled rolls
    Patent number: 4276682
    Abstract: A device for laying down a continuous material with the aid of a pair of profiled rolls, consisting of two wheels, the peripheries of which are provided with teeth and which form an engagement zone, is provided. The width of the teeth in the engagement zone in the direction of the center point of the wheel remains at the most the same and should increase by no means.
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: July 7, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus Ruber, Karl Zill