Patents by Inventor Frantisek VITEK

Frantisek VITEK 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).

  • Patent number: 11879559
    Abstract: The vent valve (10) for venting bores of vulcanization molds, which includes the sleeve (1), with the inner cylindrical hollow (1.1), ended with the valve conical hole (1.2) and the cylindrical hole (1.4) along the sides, whereas the sleeve (1) may be inserted into the vulcanization mold hole, the pin (2), movably located on the spring (3) in the inner cylindrical hollow (1.1), whereas the pin (2) contains the lower cylindrical part (2.4), ended in its lower part with the lower conical part (2.4.1), and the upper conical part in the upper part (2.4.2), the upper conical part (2.4.2) is followed by the central cylindrical part (2.5), followed by the connecting cylindrical part (2.6), whereas the diameter of the central cylindrical part (2.5) is smaller than the connecting cylindrical part (2.6) as well as the lower cylindrical part (2.4). The lower cylindrical part (2.4) and the central cylindrical part (2.5) are divided into four flexible legs (2.7) to (2.10), forming the flexible collet.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: January 23, 2024
    Inventors: Frantisek Vitek, Michal Tomasek
  • Publication number: 20210010607
    Abstract: The vent valve (10) for venting bores of vulcanization molds, which includes the sleeve (1), with the inner cylindrical hollow (1.1), ended with the valve conical hole (1.2) and the cylindrical hole (1.4) along the sides, whereas the sleeve (1) may be inserted into the vulcanization mold hole, the pin (2), movably located on the spring (3) in the inner cylindrical hollow (1.1), whereas the pin (2) contains the lower cylindrical part (2.4), ended in its lower part with the lower conical part (2.4.1), and the upper conical part in the upper part (2.4.2), the upper conical part (2.4.2) is followed by the central cylindrical part (2.5), followed by the connecting cylindrical part (2.6), whereas the diameter of the central cylindrical part (2.5) is smaller than the connecting cylindrical part (2.6) as well as the lower cylindrical part (2.4). The lower cylindrical part (2.4) and the central cylindrical part (2.5) are divided into four flexible legs (2.7) to (2.10), forming the flexible collet.
    Type: Application
    Filed: January 30, 2019
    Publication date: January 14, 2021
    Inventors: Frantisek VITEK, Michal TOMASEK
  • Patent number: D992089
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: July 11, 2023
    Inventors: Frantisek Vitek, Pavel Palenik
  • Patent number: D997301
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: August 29, 2023
    Inventors: Frantisek Vitek, Pavel Palenik
  • Patent number: D997302
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: August 29, 2023
    Inventors: Frantisek Vitek, Pavel Palenik