Patents by Inventor Grayson L. Bowman

Grayson L. Bowman 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 rolling die and method of making same
    Patent number: 9643236
    Abstract: A thread rolling die includes a thread rolling region comprising a working surface including a thread form. The thread rolling region of the thread rolling die comprises a sintered cemented carbide material having a hardness in the range of 78 HRA to 89 HRA. In certain embodiments, the thread rolling die may further include at least one non-cemented carbide piece metallurgically bonded to the thread rolling region in an area of the thread rolling region that does not prevent a workpiece from contacting the working surface, and wherein the non-cemented carbide piece comprises at least one of a metallic region and a metal matrix composite region. Methods of forming a thread rolling die as embodied herein are also disclosed.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: May 9, 2017
    Assignee: LANDIS SOLUTIONS LLC
    Inventors: Prakash K. Mirchandani, V. Brian Shook, Grayson L. Bowman, Matthew D. Brown
  • Thread Rolling Die and Method of Making Same
    Publication number: 20110107811
    Abstract: A thread rolling die includes a thread rolling region comprising a working surface including a thread form. The thread rolling region of the thread rolling die comprises a sintered cemented carbide material having a hardness in the range of 78 HRA to 89 HRA. In certain embodiments, the thread rolling die may further include at least one non-cemented carbide piece metallurgically bonded to the thread rolling region in an area of the thread rolling region that does not prevent a workpiece from contacting the working surface, and wherein the non-cemented carbide piece comprises at least one of a metallic region and a metal matrix composite region. Methods of forming a thread rolling die as embodied herein are also disclosed.
    Type: Application
    Filed: November 11, 2009
    Publication date: May 12, 2011
    Applicant: TDY Industries, Inc.
    Inventors: Prakash K. Mirchandani, V. Brian Shook, Grayson L. Bowman, Matthew D. Brown