Patents by Inventor Narasimha KRAMADHATI

Narasimha KRAMADHATI 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).

  • Surface roughening tool and method
    Patent number: 10612119
    Abstract: A tool insert includes first, second, and third teeth arranged on a surface of the tool insert. The first tooth is arranged at a proximal end of the tool insert surface and has an angled leading end and a first tooth height. The second tooth is spaced from the first tooth by a first distance along the surface of the tool insert and has a second tooth height greater than the first tooth height. The third tooth is spaced from the second tooth by a second distance along the surface of the tool insert and has an extending angled portion. The first tooth forms a first groove in a bore surface. The second tooth increases the depth of the first groove. The third tooth provides at least one micro-scratch to one of the first groove and the bore surface.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: April 7, 2020
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: John S. Agapiou, Martin S. Kramer, Michael Herold, Narasimha Kramadhati
  • SURFACE ROUGHENING TOOL AND METHOD
    Publication number: 20180141136
    Abstract: A tool insert includes first, second, and third teeth arranged on a surface of the tool insert. The first tooth is arranged at a proximal end of the tool insert surface and has an angled leading end and a first tooth height. The second tooth is spaced from the first tooth by a first distance along the surface of the tool insert and has a second tooth height greater than the first tooth height. The third tooth is spaced from the second tooth by a second distance along the surface of the tool insert and has an extending angled portion. The first tooth forms a first groove in a bore surface. The second tooth increases the depth of the first groove. The third tooth provides at least one micro-scratch to one of the first groove and the bore surface.
    Type: Application
    Filed: November 23, 2016
    Publication date: May 24, 2018
    Inventors: John S. AGAPIOU, Martin S. KRAMER, Michael HEROLD, Narasimha KRAMADHATI