Patents by Inventor Derek J. KERR

Derek J. KERR 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: 10386003
    Abstract: A choke for a flow line having an inner diameter has a body with an upstream end, a downstream end, and a sidewall that extends between the upstream end and the downstream end. The sidewall has a diameter that is sized to fit within the inner diameter of the flow line. A fluid impact face is provided at the upstream end of the body. The fluid impact face has a recessed central portion. One or more passages provide fluid communication between the downstream end and the sidewall of the body.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: August 20, 2019
    Inventor: Derek J Kerr
  • Publication number: 20170023034
    Abstract: A choke for a flow line having an inner diameter has a body with an upstream end, a downstream end, and a sidewall that extends between the upstream end and the downstream end. The sidewall has a diameter that is sized to fit within the inner diameter of the flow line. A fluid impact face is provided at the upstream end of the body. The fluid impact face has a recessed central portion. One or more passages provide fluid communication between the downstream end and the sidewall of the body.
    Type: Application
    Filed: September 29, 2015
    Publication date: January 26, 2017
    Inventor: Derek J. KERR