Patents by Inventor Gregory Kullander

Gregory Kullander 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).

  • Patent number: RE40873
    Abstract: A method of making a cutting tool, the cutting tool having a WC—Co based cemented carbide body and a multi-layer coating, the method including: applying a first innermost bonding layer TiN to the body; applying a second layer in the form of a mutlilayered structure having sublayers of (TixAl1-x)N were x varies according to 0.45<x<0.55 and 0.70<x<0.80; applying a third layer of (TixAl1-x)N where x is 0.45<x<0.55; and applying a forth outermost layer on TiN.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: August 18, 2009
    Assignee: Sandvik Intellectual Property Aktiebolag
    Inventors: Anders Jonsson, Anders Piirhonen, Torbjörn Selinder, Gregory Kullander