Patents by Inventor Douglas Brien URSU

Douglas Brien URSU 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).

  • Hot runner system
    Patent number: 11707872
    Abstract: A hot runner system having a nozzle and a manifold seated against the nozzle. An actuator plate is spaced apart from the manifold by a support pad which surrounds a lower mouth of an actuator bore that extends through the actuator plate. A valve pin extends through the support pad and the manifold to a downstream end of the nozzle. A cylinder is received in the actuator bore from a rearward side of the actuator plate and a piston coupled to the valve pin is received in the cylinder from a forward end of the cylinder.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: July 25, 2023
    Assignee: MOLD-MASTERS (2007) LIMITED
    Inventors: Hakimuddin Boxwala, Yikun Wang, Douglas Brien Ursu
  • HOT RUNNER SYSTEM
    Publication number: 20220281147
    Abstract: A hot runner system having a nozzle and a manifold seated against the nozzle. An actuator plate is spaced apart from the manifold by a support pad which surrounds a lower mouth of an actuator bore that extends through the actuator plate. A valve pin extends through the support pad and the manifold to a downstream end of the nozzle. A cylinder is received in the actuator bore from a rearward side of the actuator plate and a piston coupled to the valve pin is received in the cylinder from a forward end of the cylinder.
    Type: Application
    Filed: February 28, 2022
    Publication date: September 8, 2022
    Inventors: Hakimuddin BOXWALA, Yikun WANG, Douglas Brien URSU