Patents by Inventor Guenter Holstein

Guenter Holstein 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).

  • Leak detection device and method for checking objects for fluid tightness by means of a leak detection device
    Patent number: 9841342
    Abstract: A leak detection device has a test chamber which, for evacuation, is connected to an evacuation pump device. Moreover, the test chamber is connected by a test gas line to a test gas pump device. The test gas pump device is connected, at its main inlet, to a test gas detector, such that a detection of test gas can take place using the counter-current principle. A valve device is arranged in the test gas line. This valve device has a test gas chamber for temporary storage of test gas removed from the test chamber.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: December 12, 2017
    Assignee: LEYBOLD GMBH
    Inventors: Gerhard Wilhelm Walter, Guenter Holstein, Christian Beyer
  • LEAK DETECTION DEVICE AND METHOD FOR CHECKING OBJECTS FOR FLUID TIGHTNESS BY MEANS OF A LEAK DETECTION DEVICE
    Publication number: 20140123732
    Abstract: A leak detection device has a test chamber which, for evacuation, is connected to an evacuation pump device. Moreover, the test chamber is connected by a test gas line to a test gas pump device. The test gas pump device is connected, at its main inlet, to a test gas detector, such that a detection of test gas can take place using the counter-current principle. A valve device is arranged in the test gas line. This valve device has a test gas chamber for temporary storage of test gas removed from the test chamber.
    Type: Application
    Filed: May 18, 2012
    Publication date: May 8, 2014
    Applicant: Oerlikon Leybold Vaccuum GmbH
    Inventors: Gerhard Wilhelm Walter, Guenter Holstein, Christian Beyer