Patents Assigned to Apollo Machine & Welding Ltd.
  • Patent number: 9816332
    Abstract: A method of hardbanding a tubular component. The method involves placing a helical band of hardbanding material forming spaced coils around an exterior wear surface of a body of the tubular component. The helical band has a helix angle of not less than 5 degrees relative to a longitudinal axis of the tubular component and the spacing between the coils is a minimum of 18 mm.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: November 14, 2017
    Assignee: Apollo Machine & Welding Ltd.
    Inventor: Douglas J Hamre