Patents by Inventor Dariusz Jerzy Krajewski

Dariusz Jerzy Krajewski 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: 11414248
    Abstract: The dispenser with a membrane for sachets is characterised by the fact that the pouring nozzle has an upper region made of a thermoplastic elastomer, forming a monolith with the rest of the body of the dispenser, and the said pouring nozzle is equipped in the upper region with an elastic partition forming a membrane with a pair of intersecting slits.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: August 16, 2022
    Inventor: Dariusz Jerzy Krajewski
  • Publication number: 20210070511
    Abstract: The dispenser with a membrane for sachets is characterised by the fact that the pouring nozzle has an upper region made of a thermoplastic elastomer, forming a monolith with the rest of the body of the dispenser, and the said pouring nozzle is equipped in the upper region with an elastic partition forming a membrane with a pair of intersecting slits.
    Type: Application
    Filed: November 4, 2020
    Publication date: March 11, 2021
    Inventor: Dariusz Jerzy Krajewski
  • Publication number: 20190315533
    Abstract: The invention solves the problem of obtaining the optimal parameters of use, wherein the pouring nozzle has a soft, elastically flexible ending resistant to breaking or biting. The dispenser with a cap for sachets is characterized in that the pouring nozzle (5) has a top region (9) made of a thermoplastic elastomer, forming a monolith with the rest of the body (1) of the dispenser, and the said pouring nozzle (5) is equipped in the top region (2) with an elastic partition forming a membrane (10) with a pair of intersecting slits.
    Type: Application
    Filed: December 19, 2017
    Publication date: October 17, 2019
    Inventor: Dariusz Jerzy Krajewski