Patents by Inventor Philip L. Ziegler III

Philip L. Ziegler III 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: 5066059
    Abstract: Improved methods and apparatus are provided for adjusting a drill string compensator used for supporting a tubular string passing through a marine drilling vessel. First and second frames of the compensator are interconnected by a plurality of chains or other suitable force transmitting members, eacvh having a threaded rod connected at one end and passing through a respective bore in one of the frames. A plurality of ring-shaped transloader assemblies are provided for uniform tensioning of the force transmitting members, and each transloader assembly is independently axially movable and rotatable about its respective threaded rod. Each transloader assembly preferably includes a sleeve for transmitting load forces between the force transmitting members and the frame, and each sleeve is constructed such that only compressional forces are induced in the sleeve by the load.
    Type: Grant
    Filed: April 3, 1990
    Date of Patent: November 19, 1991
    Assignee: Baroid Technology, Inc.
    Inventors: Gary L. Egbert, Philip L. Ziegler III