Patents by Inventor Marie-Louie Bergholt

Marie-Louie Bergholt 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).

  • Vibration-dampened tool for working in metallic material
    Patent number: 6929431
    Abstract: A drill for working in metallic materials includes a tool body having located in its front end at least one cutting insert, wherein the tool body is provided with one or several damping elements mounted such that during machining, a relative movement (i.e., sliding and/or deformation) of the tool body and the damping element is allowed to occur.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: August 16, 2005
    Assignee: Sandvik AB
    Inventors: Marie-Louie Bergholt, Leif Karlsson, Klas Tübinger
  • Vibration-dampened tool for working in metallic material
    Publication number: 20040028490
    Abstract: A drill for working in metallic materials includes a tool body having located in its front end at least one cutting insert, wherein the tool body is provided with one or several damping elements mounted such that during machining, a relative movement (i.e., sliding and/or deformation) of the tool body and the damping element is allowed to occur.
    Type: Application
    Filed: June 5, 2003
    Publication date: February 12, 2004
    Applicant: SANDVIK AB
    Inventors: Marie-Louie Bergholt, Leif Karlsson, Klas Tubinger