Patents by Inventor Johnson Mac

Johnson Mac 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: 10260291
    Abstract: A hard banding apparatus for pipes and other drilling tools. The hard banding apparatus has a floating weld box that moves in response to the shape of the item to be welded. The apparatus can include a drive roller assembly and lift mechanisms that lift and move the weld box or housing to a desired height.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: April 16, 2019
    Assignee: Broco, Inc.
    Inventors: George Ray Hirvela, Johnson Mac
  • Publication number: 20170314340
    Abstract: A hard banding apparatus for pipes and other drilling tools. The hard banding apparatus has a floating weld box that moves in response to the shape of the item to be welded. The apparatus can include a drive roller assembly and lift mechanisms that lift and move the weld box or housing to a desired height.
    Type: Application
    Filed: April 27, 2017
    Publication date: November 2, 2017
    Inventors: George Ray Hirvela, Johnson Mac
  • Patent number: D795964
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: August 29, 2017
    Inventor: Colm Johnson Mac-Eóin