Patents by Inventor Hadyn Howells

Hadyn Howells 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 manufacturing a utility knife blade having an induction hardened cutting edge
    Patent number: 8322253
    Abstract: A method of manufacturing a blade including heating and quenching a coil of strip steel material to harden the material, heating the strip steel material to temper the material, grinding a first angle along an edge of the material, and subsequent to the grinding, re-hardening, for example by induction heating, the edge of the material.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: December 4, 2012
    Assignee: Stanley Black & Decker, Inc.
    Inventor: Hadyn Howells
  • Induction hardened blade
    Patent number: 8316550
    Abstract: A utility knife blade comprises a cutting edge portion and a remaining portion. The remaining portion is tempered martensite and has a first hardness. The cutting edge portion comprises a region that has been locally re-heat treated so that the microstructure in the cutting edge portion is untempered martensite having a hardness greater than the first hardness.
    Type: Grant
    Filed: February 6, 2008
    Date of Patent: November 27, 2012
    Assignee: Stanley Black & Decker, Inc.
    Inventor: Hadyn Howells