Patents by Inventor John M. Seminew

John M. Seminew 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).

  • Transition beam forming section for tube mill
    Patent number: 5865053
    Abstract: A transition forming unit for a tube mill is provided for forming a strip into a generally annular shaped cross-sectional configuration. The forming process is performed by a plurality of roll assemblies mounted on at least a pair of spaced longitudinally extending beams, one disposed on each side of the longitudinal axis of the forming unit. The beams are mounted to rotate about their longitudinal axis and are horizontally and vertically adjustable.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: February 2, 1999
    Assignee: Abbey Etna Machine Company
    Inventors: Nelson D. Abbey, III, John M. Seminew, Susan J. Taber