Patents by Inventor MARTIN HARVEY DAVID SCHMIDT

MARTIN HARVEY DAVID SCHMIDT 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).

  • Method and apparatus for removing tubing string bands
    Patent number: 11391099
    Abstract: An oilfield band cutter is useful for removing a band from a tubing string structure as the tubing string structure is being pulled up from the well. The oilfield band cutter includes a base frame with a central hole, an axis extending vertically and centrally through the frame coaxial with the central hole. A tubing follower member is coupled to the base frame and is positioned against an outer surface of the tubing string structure. A cutter is coupled to the tubing follower member, the cutter including an underside having a cutting edge. The cutting edge is positioned to engage against and cut bands on the tubing string structure.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: July 19, 2022
    Assignee: BAND SHARK CO. LTD.
    Inventors: Clayton Allan Jahn, Martin Harvey David Schmidt, Christopher Shaun Mcclelland, Stephen Joseph Hurst
  • METHOD AND APPARATUS FOR REMOVING TUBING STRING BANDS
    Publication number: 20210215005
    Abstract: An oilfield band cutter is useful for removing a band from a tubing string structure as the tubing string structure is being pulled up from the well. The oilfield band cutter includes a base frame with a central hole, an axis extending vertically and centrally through the frame coaxial with the central hole. A tubing follower member is coupled to the base frame and is positioned against an outer surface of the tubing string structure. A cutter is coupled to the tubing follower member, the cutter including an underside having a cutting edge. The cutting edge is positioned to engage against and cut bands on the tubing string structure.
    Type: Application
    Filed: June 1, 2020
    Publication date: July 15, 2021
    Inventors: CLAYTON ALLAN JAHN, MARTIN HARVEY DAVID SCHMIDT, CHRISTOPHER SHAUN McCLELLAND, STEPHEN JOSEPH HURST