Patents by Inventor Harald Kretschmann

Harald Kretschmann 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).

  • Patent number: 8313699
    Abstract: The invention relates to a sterilization testing device comprised of a housing with a test chamber, an indicator placed therein, and with a supply for supplying the sterilization medium. According to the invention, the sterilization testing device consists of at least two housing parts that are matched to one another. A supply channel is made inside the housing part and serves to supply the sterilization medium. The supply channel is configured in such a manner that it forms the base body of the test chamber. The test chamber accommodates the indicator that indicates the completion of the sterilization process. Alternatively to this solution, the invention provides a variant, which is very effective with regard to manufacturing and which permits a quantitative statement regarding the sterilization. Webs are formed inside the housing in the at least partially meandering and/or spiral configuration of the supply channel.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: November 20, 2012
    Inventors: Harald Kretschmann, Andreas Rauch
  • Publication number: 20060188393
    Abstract: The invention relates to a sterilization testing device comprised of a housing with a test chamber, an indicator placed therein, and with a supply for supplying the sterilization medium. According to the invention, the sterilization testing device consists of at least two housing parts that are matched to one another. A supply channel is made inside the housing part and serves to supply the sterilization medium. The supply channel is configured in such a manner that it forms the base body of the test chamber. The test chamber accommodates the indicator that indicates the completion of the sterilization process. Alternatively to this solution, the invention provides a variant, which is very effective with regard to manufacturing and which permits a quantitative statement regarding the sterilization. Webs are formed inside the housing in the at least partially meandering and/or spiral configuration of the supply channel.
    Type: Application
    Filed: April 8, 2004
    Publication date: August 24, 2006
    Inventors: Harald Kretschmann, Andreas Rauch