Patents by Inventor Hans-Christian Bitschnau

Hans-Christian Bitschnau 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).

  • Turbidimeter sludge measurement
    Patent number: 10843953
    Abstract: A turbidimeter device, including: a fluidically closed turbidimeter vessel comprising a liquid sample inlet and a liquid sample outlet; a vacuum pump for generating underpressure in the turbidimeter vessel to degas the liquid sample; and an optical measurement device for an optical determination of the liquid sample turbidity. Other aspects are described and claimed.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: November 24, 2020
    Assignee: HACH LANGE GMBH
    Inventors: Jochen Simon, Harald Hahn, Hans-Christian Bitschnau
  • TURBIDIMETER SLUDGE MEASUREMENT
    Publication number: 20200056989
    Abstract: A turbidimeter device, including: a fluidically closed turbidimeter vessel comprising a liquid sample inlet and a liquid sample outlet; a vacuum pump for generating underpressure in the turbidimeter vessel to degas the liquid sample; and an optical measurement device for an optical determination of the liquid sample turbidity. Other aspects are described and claimed.
    Type: Application
    Filed: January 17, 2017
    Publication date: February 20, 2020
    Inventors: Jochen Simon, Harald Hahn, Hans-Christian Bitschnau