Patents by Inventor Cay-Peter Voss

Cay-Peter Voss 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).

  • Ion concentration testing apparatus
    Patent number: 4180009
    Abstract: A device for determining the ion concentration of certain substances, or mixtures of substances, in swimming pool water by admixture of color forming chemical reagents comprising measuring containers and at least one reference container combined to form a row of containers which have a common side wall. An indicating screen with a plurality of fixed, differently tinted indicating windows associated with the individual containers and distributed over the height of the containers is arranged in front of the common side wall, and the indicating windows associated with the reference container or containers are provided with a standard coloration relating to that formed by the color forming reagents.
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: December 25, 1979
    Assignee: Tintometer GmbH
    Inventors: Cay-Peter Voss, Manfred Nowak
  • Pool water tester
    Patent number: D256567
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: August 26, 1980
    Assignee: Tintometer GmbH
    Inventors: Cay-Peter Voss, Manfred Nowak