Patents by Inventor Ingo Gehne

Ingo Gehne 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).

  • Filter integrity testing in clean rooms and the like
    Patent number: 5563334
    Abstract: There is disclosed a process and apparatus for testing the integrity of filter elements located in protected environments such as clean rooms and the like, principally characterized by wireless electromagnetic transmission of test data between the filter test apparatus located in the protected environment and data evaluation means located outside the protected environment. The process and apparatus are especially suitable for testing ultra- and micro-filtration filter elements.
    Type: Grant
    Filed: April 11, 1995
    Date of Patent: October 8, 1996
    Assignee: Sartorius AG
    Inventors: Karl Bracht, Ingo Gehne