Patents by Inventor Werner Rellstab

Werner Rellstab 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).

  • Immersible probe for optical dual beam-measuring apparatus
    Patent number: 4152075
    Abstract: An immersible probe for optical dual beam-measuring apparatus, comprising a sample feeler intended to be immersed in a sample for performing a measurement at the sample to be analyzed. The sample feeler is equipped with a light conductor. There is further provided a reference feeler immersible in a standard medium. Both the sample feeler and the reference feeler are attached to a probe body.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: May 1, 1979
    Assignee: Mettler Instrumente AG
    Inventors: Werner Rellstab, Jurg Daetwyler