Patents Assigned to Kile Machine & Tool, Inc.
  • Internal pipe wrench
    Patent number: 6874393
    Abstract: The invention is a pipe wrench product for rotating a hollow object, such as a pipe and a tube, by engaging the object interior. The product uses the interaction when contacting between shape-wise distinguishable curved driving and driven surfaces to control the direction of force transmitted from the product to the object. The product is designed to minimize any distortion to the shape of the object caused by the product and to maximize the turning force transmitted to the object by the product.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: April 5, 2005
    Assignee: Kile Machine & Tool, Inc.
    Inventor: Albert J. Kile