Patents by Inventor Michael Kussman

Michael Kussman 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: 11209347
    Abstract: The invention refers to an optical measurement apparatus (10) with an optical device (18,20,22) and a liquid sample vessel (12) for measuring an optical parameter of a liquid sample (13) in the liquid sample vessel (12), comprising a drying circuit circulating drying air for venting the sample vessel (12), wherein the drying circuit comprises a mechanical water stop means (100) in the course of the drying circuit, the water stop means (100) comprising a conduit body (102) with a water-absorbing swelling element (120) arranged within the conduit body (102). The water stop means is simple and inexpensive and reliably protects all elements downstream of the water stop means from a water ingress upstream of the water stop means.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: December 28, 2021
    Assignee: HACH LANGE GMBH
    Inventors: Michael Kussman, Aurelia Stellmach, Markus Hahn, Markus Lenhard, Sebastian Minke, Andreas Jonak, Volker Baar, Heinz Rudde
  • Publication number: 20210325298
    Abstract: The invention refers to an optical measurement apparatus (10) with an optical device (18,20,22) and a liquid sample vessel (12) for measuring an optical parameter of a liquid sample (13) in the liquid sample vessel (12), comprising a drying circuit circulating drying air for venting the sample vessel (12), wherein the drying circuit comprises a mechanical water stop means (100) in the course of the drying circuit, the water stop means (100) comprising a conduit body (102) with a water-absorbing swelling element (120) arranged within the conduit body (102).
    Type: Application
    Filed: July 20, 2016
    Publication date: October 21, 2021
    Inventor: Michael Kussman