Patents by Inventor Emmanuel Puviland

Emmanuel Puviland 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 forming taps
    Patent number: 9682435
    Abstract: In one aspect, thread forming taps are described herein. In some embodiments a thread forming tap comprises a shank disposed at a first end adapted to engage a tool holder and an elongated working portion disposed at a second end. The working portion comprises at least one helical thread and a plurality of longitudinally-extending linear grooves. The longitudinally-extending linear grooves intersect the helical thread forming a plurality of lobes, wherein adjacent lobes differ from one another in relief type and/or relief rate.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: June 20, 2017
    Assignee: KENNAMETAL INC.
    Inventors: Yan Yan, Emmanuel Puviland
  • THREAD FORMING TAPS
    Publication number: 20160059334
    Abstract: In one aspect, thread forming taps are described herein. In some embodiments a thread forming tap comprises a shank disposed at a first end adapted to engage a tool holder and an elongated working portion disposed at a second end. The working portion comprises at least one helical thread and a plurality of longitudinally-extending linear grooves. The longitudinally-extending linear grooves intersect the helical thread forming a plurality of lobes, wherein adjacent lobes differ from one another in relief type and/or relief rate.
    Type: Application
    Filed: August 28, 2014
    Publication date: March 3, 2016
    Inventors: Yan Yan, Emmanuel Puviland