Patents by Inventor Tatyana L. Preiser

Tatyana L. Preiser 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 of separation of pieces from super hard material by partial laser cut and pressure cleavage
    Patent number: 5387776
    Abstract: This invention relates to a method of separating at least one piece from a super hard material plate having top and bottom surfaces, comprising providing a laser capable of cutting said super hard material plate; making a cut with said laser through the top surface of said plate, said cut defining the shape of the piece to be separated and being to a depth which is less than the overall thickness of said plate; and separating said piece from said plate by applying an effective amount of pressure to said plate along the line of said cut to separate the uncut portion of said plate adjacent said cut.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: February 7, 1995
    Assignee: General Electric Company
    Inventor: Tatyana L. Preiser