Patents by Inventor Henry Douglas

Henry Douglas 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).

  • Hydrostatic bearing support for a work tool
    Patent number: 4206953
    Abstract: A hydrostatic bearing support for a work tool has an inner stationary member with circumferentially disposed hydrostatic bearing areas which when pressurized, radially support an outer constant thickness cylindrical sleeve. Axial bearing support for the outer sleeve is provided by annular hydrostatic thrust bearing areas disposed at each end of the stationary member and cooperating with end caps which are secured to the outer sleeve. All of the liquid passages for directing pressurized liquid to the bearing members are formed within the stationary member.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: June 10, 1980
    Assignee: General Motors Corporation
    Inventors: Rodney A. Diehl, Henry Douglas, Robert W. Watson