Patents by Inventor David C. Nommensen

David C. Nommensen 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: 11098537
    Abstract: A centralising assembly for a downhole device in the mining or oil well field, a method of manufacture therefor and to a coupling device including a centralising device.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 24, 2021
    Assignee: COBALT EXTREME PTY LTD
    Inventor: David C. Nommensen
  • Publication number: 20200165881
    Abstract: A centralising assembly for a downhole device in the mining or oil well field, a method of manufacture therefor and to a coupling device including a centralising device.
    Type: Application
    Filed: March 7, 2019
    Publication date: May 28, 2020
    Inventor: David C. NOMMENSEN
  • Patent number: 10612320
    Abstract: A wear prevention system for a pumping system of a oil or gas well, the system comprising a sucker rod string comprising a plurality of rod components, a production pipe string, couplers for the rod components and centralizers for the rod components within the production pipe wherein centralizers are on the couplers. The centralizers contain integral signal mediums which are released as the centralizer becomes worn. The sucker rod string comprises rod components of different lengths and the rod components of relative shortest length are positioned at points of greatest curvature in the well. The rod components of relative shortest length have centralizers which contain different signal mediums to the rod components of relative longest length.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: April 7, 2020
    Assignee: COBALT EXTREME PTY LTD.
    Inventors: Arthur Charles Nommensen, David C. Nommensen
  • Publication number: 20180080288
    Abstract: A wear prevention system for a pumping system of a oil or gas well, the system comprising a sucker rod string comprising a plurality of rod components, a production pipe string, couplers for the rod components and centralizers for the rod components within the production pipe wherein centralizers are on the couplers. The centralizers contain integral signal mediums which are released as the centralizer becomes worn. The sucker rod string comprises rod components of different lengths and the rod components of relative shortest length are positioned at points of greatest curvature in the well. The rod components of relative shortest length have centralizers which contain different signal mediums to the rod components of relative longest length.
    Type: Application
    Filed: July 27, 2017
    Publication date: March 22, 2018
    Inventors: Arthur Charles Nommensen, David C. Nommensen
  • Patent number: D903723
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 1, 2020
    Assignee: COBALT EXTREME PTY LTD
    Inventor: David C. Nommensen
  • Patent number: D906488
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: December 29, 2020
    Assignee: COBALT EXTREME PTY LTD
    Inventor: David C. Nommensen
  • Patent number: D910722
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: February 16, 2021
    Assignee: COBALT EXTREME PTY LTD
    Inventor: David C. Nommensen