Patents by Inventor James D. Jeffrey

James D. Jeffrey 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: 5018544
    Abstract: A mobile tube bundle cleaning apparatus comprised of a truck mounted fluid and hydraulic pressure sources including high pressure pumps and diesel engines. The apparatus further includes a trailer mounted tube bundle cleaning system including an articulable mobile crane, outriggers for stabilizing the trailer during cleaning operations and a system for supporting and rotating a tube bundle during cleaning operations. The apparatus further includes a remote control pedestal from which an operator may control the fluid pressurizing system, the crane and the operation of the tube bundle rotating system.
    Type: Grant
    Filed: March 6, 1990
    Date of Patent: May 28, 1991
    Assignee: Ohmstede Mechanical Services, Inc.
    Inventors: Thomas B. Boisture, Larry D. McGrew, James D. Jeffrey, Robert G. Wetzel, Gene P. Livingston, Robert A. Baten
  • Patent number: 5002120
    Abstract: A multi-lance cleaning apparatus for cleaning the interior of heat exchanger tubes, the apparatus having a lance housing, a slidable manifold within the lance housing, a single conduit connecting the manifold with a high pressure, high volume fluid source, a spool for storing the conduit permitting it to be advanced and retracted, means for moving the manifold within the housing, a plurality of lances removably attached to the manifold and adapted to fit within a heat exchanger tube and tube guides to guide and support the lances. The apparatus further includes a means for positioning the housing with respect to a heat exchanger tube bundle to be cleaned.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: March 26, 1991
    Inventors: Thomas B. Boisture, Larry D. McGrew, James D. Jeffrey, Gene P. Livingston