Patents by Inventor Juergen H. Ohrt

Juergen H. Ohrt 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).

  • Flexible joints for marine risers
    Patent number: 4068868
    Abstract: A universal flexible joint for fluid conduits includes an upper body connectible to an upper conduit and a separate lower body connectible to a lower conduit. A housing surrounds both bodies, there being an upper spherical laminated bearing structure, embodying elastomer elements, between the upper body and upper portion of the housing, and a lower spherical laminated bearing structure, embodying elastomer elements, between the lower body and lower portion of the housing, allowing tensile force to be transmitted from the upper body through the upper bearing structure to the housing and through the lower bearing structure to the lower body, while permitting universal movement between the upper body and lower body relative to the housing.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: January 17, 1978
    Assignee: Vetco Offshore Industries, Inc.
    Inventor: Juergen H. Ohrt