Patents by Inventor Brian D. Querin

Brian D. Querin 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).

  • Flow controller for carbonated beverages
    Patent number: 5370283
    Abstract: A beverage flow controller includes a tube having a first end and a second end, and a length between the first end and the second end including at least three constrictions. The constrictions have a center to center spacing of at least 4.5 times the inside diameter of the tube and have an inside diameter of 0.6 to 0.8 times the inside diameter of the tube. The plurality of constrictions controls the flow and provides a pressure gradient along the length of the tube.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: December 6, 1994
    Inventors: Peter K. Nelson, Brian D. Querin