Patents by Inventor Wojciech Niemczewski

Wojciech Niemczewski 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).

  • Gripper assembly for a coiled tubing injector
    Patent number: 9316068
    Abstract: An improved gripper shoe for a coiled tubing injector having a gripper shoe having a plurality of arcuate gripper elements spaced apart at predetermined intervals, a gripper carrier having a base having an upper surface and a lower surface, a first wall and a second wall located on the upper surface of the base, a mechanism for securing the gripper carrier to a continuous chain of a coiled tube injector located on the lower surface of the gripper assembly, and a mechanism for securing the gripper shoe to the gripper carrier, such that the gripper shoe is securely received by, and releasable from, the gripper carrier.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: April 19, 2016
    Assignee: Tissa Engineering Inc.
    Inventors: Drago Crnogorac, Allan Joseph Pleskie, Wojciech Niemczewski, Matthew Gotch
  • Gripper Assembly for a Coiled Tubing Injector
    Publication number: 20140290932
    Abstract: The present disclosure provides an improved gripper shoe for a coiled tubing injector having a gripper shoe having a plurality of arcuate gripper elements spaced apart at predetermined intervals, a gripper carrier having a base having an upper surface and a lower surface, a first wall and a second wall located on the upper surface of the base, means for securing the gripper carrier to a continuous chain of a coiled tube injector located on the lower surface of the gripper assembly, and means for securing the gripper shoe to the gripper carrier, such that the gripper shoe is securely received by, and releasable from, the gripper carrier.
    Type: Application
    Filed: March 26, 2013
    Publication date: October 2, 2014
    Inventors: Drago Crnogorac, Allan Joseph Pleskie, Wojciech Niemczewski, Matthew Gotch