Patents by Inventor Bernhard Tatzber

Bernhard Tatzber 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).

  • Vacuum pump having fastening element for securing rotor part to rotor shaft and deformed safety element projecting in axial direction for preventing relative rotation between the rotor part and rotor shaft
    Patent number: 9453514
    Abstract: A vacuum pump has a rotor mounted on a rotor shaft and provided with pump active components cooperating with opposite stationary pump active components, fastening element for securing the rotor on the rotor shaft, and a safety element provided in addition to the fastening element for preventing rotation of the rotor and the rotor shaft relative to each other.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: September 27, 2016
    Assignee: Pfeiffer Vacuum GmbH
    Inventors: Robert Watz, Bernhard Tatzber, Herbert Stammler
  • VACUUM PUMP
    Publication number: 20140072408
    Abstract: A vacuum pump has a rotor mounted on a rotor shaft and provided with pump active components cooperating with opposite stationary pump active components, fastening element for securing the rotor on the rotor shaft, and a safety element provided in addition to the fastening element for preventing rotation of the rotor and the rotor shaft relative to each other.
    Type: Application
    Filed: September 3, 2013
    Publication date: March 13, 2014
    Applicant: PFEIFFER VACUUM GMBH
    Inventors: Robert Watz, Bernhard Tatzber, Herbert Stammler