Patents by Inventor Bernhard Weitzel

Bernhard Weitzel 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).

  • Method for measuring the leaktightness of sealed containers
    Patent number: 7017391
    Abstract: The present invention relates to a method for reliably and rapidly checking the leaktightness of sealed containers or their leakage rate by the action of a gas thereon. The method according to the invention is particularly suitable for checking the leaktightness of blisters for pharmaceutical formulations of active substance.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: March 28, 2006
    Assignee: Boehringer Ingelheim Pharma GmbH & Co KG
    Inventors: Marton Klein, Burkhard Metzger, Bernhard Weitzel
  • Method for measuring the thickness of foil-containers
    Publication number: 20040103716
    Abstract: The present invention relates to a method for reliably and rapidly checking the leaktightness of sealed containers or their leakage rate by the action of a gas thereon. The method according to the invention is particularly suitable for checking the leaktightness of blisters for pharmaceutical formulations of active substance.
    Type: Application
    Filed: September 15, 2003
    Publication date: June 3, 2004
    Applicant: Boehringer Ingelheim Pharma GmbH & Co. KG
    Inventors: Marton Klein, Burkhard Metzger, Bernhard Weitzel