Patents by Inventor Anton Heumann

Anton Heumann 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: 4806078
    Abstract: A centrifugal pump wherein the back shroud of a brittle impeller of ceramic or glass is coupled to the radially outwardly extending disc of a metallic adapter whose hub receives torque from the pump shaft. The adapter has a flange which surrounds the peripheral surface of the impeller or it has a collar which surrounds a complementary collar of the back shroud. The arrangement is such that the coupling between the adapter and the impeller does not subject the impeller to any tensional or other stresses which would be likely to affect the integrity of the brittle impeller. The disc of the adapter is adjacent the rear side of the back shroud so that the adapter does not interfere with the flow of conveyed material to, in and from the impeller.
    Type: Grant
    Filed: January 21, 1988
    Date of Patent: February 21, 1989
    Assignee: Klein, Schanzlin & Becker Aktiengesellschaft
    Inventor: Anton Heumann
  • Patent number: 4043707
    Abstract: An underwater pumping arrangement includes a submersible pump having a pump outlet conduit provided with a first connecting flange adapted to register with a second connecting flange of an outflow conduit permanently provided at the bottom of a liquid-filled pit or container to form with the second connecting flange a seal-tight conduit joint. As the pump is lowered into the liquid-filled pit or container towards the bottom thereof, it is guided by cables or rails into a predetermined position in which the first connecting flange registers with the second connecting flange. The pump is provided at its underside with a supporting structure for directly supporting the pump upon the bottom of the pit or container when the pump has been lowered into the predetermined position. One of the two conduits is provided with an expandable-contractable connecting chamber connected to one connecting flange.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: August 23, 1977
    Assignee: Klein, Schanzlin & Becker Aktiengesellschaft
    Inventors: Anton Heumann, Heinz Weibart