Patents by Inventor Mark R. Lathrup

Mark R. Lathrup 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).

  • Work roller for use in deep rolling process of crankshafts or like products
    Patent number: 6159135
    Abstract: A process for manufacturing an upper work roller for use in the deep rolling of crankshafts includes the steps of: rough sawing tool steel to form a generally cylindrical wafer, heat treating the wafer to provide it with a desired hardness, grinding of the wafer to desired dimensions to form a properly dimensioned heat treated blank wafer, a second grinding of the wafer to form a finished shape of work roller, and vibratory finishing the roller to achieve a desired microfinish thereon.
    Type: Grant
    Filed: September 3, 1998
    Date of Patent: December 12, 2000
    Assignee: Lonero Engineering, Inc.
    Inventors: Vincent J. Lonero, Shawn D. Luteran, Mark R. Lathrup
  • Process to manufacture upper work roll products
    Patent number: 5806184
    Abstract: A process for manufacturing an upper work roller for use in the deep rolling of crankshafts including the steps of: rough sawing tool steel to form a generally cylindrical wafer, heat treating said wafer to provide it with a desired hardness, grinding of said wafer to desired dimensions to form a properly dimensioned heat treated blank wafer, a second grinding of said wafer to form a finished shape of work roller, and vibratory finishing said roller to achieve a desired microfinish thereon.
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: September 15, 1998
    Assignee: Lonero Engineering Company, Inc.
    Inventors: Vincent J. Lonero, Shawn D. Luteran, Mark R. Lathrup