Patents by Inventor Michael Andrew Hollin

Michael Andrew Hollin 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).

  • Oilfield elevator
    Patent number: 7866721
    Abstract: An oilfield elevator including a locking mechanism operable by axial movement of the elevator's first body segment relative to its second body segment to control pivotal rotation about a hinge between the body segments; and an actuation lever positioned between the first body segment and the second body segment, the actuation lever including a protrusion thereon and being moveable to drive the protrusion against the first body segment to drive the first body segment axially relative to the second body segment.
    Type: Grant
    Filed: December 5, 2007
    Date of Patent: January 11, 2011
    Assignee: Tesco Corporation
    Inventor: Michael Andrew Hollin
  • OILFIELD ELEVATOR
    Publication number: 20080150305
    Abstract: An oilfield elevator including a locking mechanism operable by axial movement of the elevator's first body segment relative to its second body segment to control pivotal rotation about a hinge between the body segments; and an actuation lever positioned between the first body segment and the second body segment, the actuation lever including a protrusion thereon and being moveable to drive the protrusion against the first body segment to drive the first body segment axially relative to the second body segment.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 26, 2008
    Applicant: TESCO CORPORATION
    Inventor: MICHAEL ANDREW HOLLIN