Patents by Inventor Scott Alan Butler

Scott Alan Butler 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).

  • Pipe coupling with improved pull-out restraint
    Patent number: 6106029
    Abstract: A pipe coupling for the joining of plain end plastic or metallic pipe that includes an annular follower, a tubular middle ring extending between opposite followers, an annular gasket within the follower contiguous to the middle ring and a restrainer unit within the follower comprising a lock ring having a plurality of arcuately spaced radial slots for slideably supporting individual gripper segments that are operative during tightening installation of the follower about a received pipe end to effect a penetrating restraining grip against the surface of the pipe end.
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: August 22, 2000
    Assignee: Dresser Industries, Inc.
    Inventors: Louis DeMore, Scott Alan Butler