Patents by Inventor Frank L. Schmid

Frank L. Schmid 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).

  • Method and apparatus for monitoring and controlling tightening of prevailing torque fasteners
    Patent number: 5591919
    Abstract: A fastener tensioning method wherein pre-tensioning fastener tightening history acquired during the tightening of the fastener prior to the point of proportional tensioning of the fastener is utilized to modify the tightening cycle occurring after the point of proportional fastener tensioning to reduce the resultant tension scatter while using a tightening perimeter such as torque as an indicator of fastener tension.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: January 7, 1997
    Assignee: Ingersoll-Rand Company
    Inventors: Thomas J. Hathaway, Frank L. Schmid, Edwin E. Rice