Patents by Inventor Ulrich C. Sanden

Ulrich C. Sanden 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 and apparatus for the quantitative determination of beer ingredients
    Patent number: 4228192
    Abstract: The ingredients of beer and/or wort, particularly alcohol, extract, wort and carbon dioxide are determined individually by passing infrared light through the beer where a wavelength between 2.9 and 3.1 microns is used for the alcohol ingredient, a wavelength between 9.6 and 9.8 microns is used for the extract or the flavorings, and a wavelength from 4.2 to 4.4 microns is used for the carbon dioxide ingredient, each absorption of infrared being measured and analyzed.
    Type: Grant
    Filed: March 5, 1979
    Date of Patent: October 14, 1980
    Assignee: Diessel GmbH & Co.
    Inventor: Ulrich C. Sanden