Patents Assigned to Barr Fabrication
  • Method for removal of dents from wind turbine masts
    Patent number: 8813534
    Abstract: A method for removal of dents from wind turbine masts uses a dent pushing tool. The dent pushing tool includes a self aligning ram assembly with a central ram cylinder and removable adjustable length arms. At the end of one arm is a curved base. At the end of the other arm is a dent pusher plate. Removal of the dent is caused by extension of the central ram cylinder.
    Type: Grant
    Filed: August 15, 2012
    Date of Patent: August 26, 2014
    Assignee: Barr Fabrication
    Inventor: Hugh C. Barr
  • System and method for removal of dents from wind turbine masts
    Patent number: 8245558
    Abstract: A system and method for removal of dents from wind turbine masts uses a dent pushing tool. The dent pushing tool includes a self aligning ram assembly with a central ram cylinder and removable adjustable length arms. At the end of one arm is a curved base. At the end of the other arm is a dent pusher plate. Removal of the dent is caused by extension of the central ram cylinder.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: August 21, 2012
    Assignee: Barr Fabrication
    Inventor: Hugh C. Barr