Patents by Inventor Werner Stumpp

Werner Stumpp 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 of measuring the turbidity of gas-containing liquid mediums with microorganisms
    Patent number: 4021120
    Abstract: From a vessel in which micro-organisms grow in a liquid medium containing gas bubbles, a sample is withdrawn into an exterior measuring chamber by means of suction. Gas bubbles are allowed to escape from the sample and thereafter the opacity or turbidity of the sample is measured by passing a light beam through it.
    Type: Grant
    Filed: December 16, 1975
    Date of Patent: May 3, 1977
    Assignee: Dr. Ing. Hans Mueller
    Inventors: Hans Muller, Werner Stumpp
  • Method and apparatus for measuring the opacity of fluids
    Patent number: 3962041
    Abstract: From a vessel in which micro-organisms grow in a liquid medium containing gas bubbles, a sample is withdrawn into an exterior measuring chamber by means of suction. Gas bubbles are allowed to escape from the sample and thereafter the opacity or turbidity of the sample is measured by passing a light beam through it.
    Type: Grant
    Filed: March 17, 1975
    Date of Patent: June 8, 1976
    Assignee: Hans Muller
    Inventors: Hans Muller, Werner Stumpp