Patents by Inventor Alexander A. Zaveruha

Alexander A. Zaveruha 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).

  • Thread gaging tool and method
    Patent number: 5253422
    Abstract: In a preferred embodiment, a tool for measuring the shape of the groove of a thread, the tool measuring the plus or minus radial positions of pairs of points including the pitch diameter point on one flank to the addendum or the dedendum of the other flank. Comparison of these measurements with the pitch diameter as a base line gives a profile of the shapes of the flank.
    Type: Grant
    Filed: November 18, 1991
    Date of Patent: October 19, 1993
    Assignee: McMellon Bros, Inc.
    Inventor: Alexander A. Zaveruha