Patents by Inventor SIETSE BART DE VRIES

SIETSE BART DE VRIES 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).

  • TEAT AND DRINKING CONTAINER HAVING THE TEAT
    Publication number: 20230346648
    Abstract: A teat for a drinking bottle is formed from a wall with various different thicknesses. An air replenish valve has first and second valve portions of different thickness, and there are also different wall thicknesses in a cross section perpendicular to a teat axis, taken above the valve. These measures improve the reliability of the valve manufacture.
    Type: Application
    Filed: September 16, 2021
    Publication date: November 2, 2023
    Inventors: DAAN HENDRIK GOSENSHUIS, LUC BERNTSEN, SIETSE BART DE VRIES, WIETSE ELZINGA