Patents by Inventor Gerhard Rüster

Gerhard Rüster 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).

  • Publication number: 20120051948
    Abstract: A vacuum pump, particularly a Roots pump, claw pump, or screw pump. The vacuum pump has at least one rotor as a pumping device, which rotor is disposed on a shaft. The vacuum pump has at least one bearing and/or drive region for the shaft and at least one suction chamber. During a pumping process, a medium is conveyed from an inlet of the suction chamber to an outlet of the suction chamber, by means of rotation of the rotor. At least one gas conveying device is configured for conveying the medium away from the bearing and/or drive region in the direction toward the rotor and/or toward the outlet of the suction chamber.
    Type: Application
    Filed: August 25, 2011
    Publication date: March 1, 2012
    Applicant: VACUUBRAND GMBH + CO KG
    Inventors: Jürgen Dirscherl, Frank Gitmans, Gerhard Rüster