Patents by Inventor John Harkness

John Harkness 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).

  • Publication number: 20150224664
    Abstract: A cutting assembly includes a core tube. A plurality of blades extends radially outwardly from and is releasably supported by the core tube. The cutting assembly also includes a support member and a sealing member. The support member releasably supports a portion of each of the plurality of blades. The sealing member has a first substantially planar surface cooperating with the support member to secure the portion of each of the plurality of blades intermediate the support member and the first substantially planar surface of the sealing member.
    Type: Application
    Filed: February 13, 2015
    Publication date: August 13, 2015
    Inventors: John Harkness, John K. Clement, JR.
  • Publication number: 20050133126
    Abstract: The yield strength of UNS C17460 BeCu alloy can be significantly enhanced without compromising electrical conductivity or bend formability by age hardening the alloy during manufacture using two separate heat treatment steps and cold rolling the alloy for enhancing age hardening response between these two heat treatment steps rather than before age hardening begins as in current technology.
    Type: Application
    Filed: February 4, 2005
    Publication date: June 23, 2005
    Inventor: John Harkness
  • Patent number: 6869341
    Abstract: A single-sided finishing apparatus is provided having a plurality of finishing stations with rotating transfer stations positioned therebetween. A hold down system presents the edge of the workpiece to the finishing head. The rotating transfer station includes a clamp for grasping a leading corner of a workpiece while rollers continue to drive the workpiece forward, thereby rotating the workpiece 90°.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: March 22, 2005
    Assignee: Glassline Corporation
    Inventors: Mark Opfer, Brad Borkosky, John Harkness
  • Publication number: 20030236060
    Abstract: A single-sided finishing apparatus is provided having a plurality of finishing stations with rotating transfer stations positioned therebetween. A hold down system presents the edge of the workpiece to the finishing head. The rotating transfer station includes a clamp for grasping a leading corner of a workpiece while rollers continue to drive the workpiece forward, thereby rotating the workpiece 90°.
    Type: Application
    Filed: June 19, 2002
    Publication date: December 25, 2003
    Inventors: Mark Opfer, Brad Borkosky, John Harkness