Patents by Inventor Alexander Rozumovich

Alexander Rozumovich 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).

  • Metal Shear Head Center Blade
    Publication number: 20120102763
    Abstract: An improved longer life center blade for use in an existing metal cutting shear, by providing a center blade with a unique yoke profile, a reinforced bottom and a larger grind transition location.
    Type: Application
    Filed: October 26, 2011
    Publication date: May 3, 2012
    Applicant: KETT TOOL COMPANY
    Inventor: Alexander Rozumovich
  • Powered hand-held metal cutter
    Patent number: 7971360
    Abstract: A power driven portable sheet metal cutter includes a head with two blades that mounts to a hand-held electric or pneumatic rotating power unit. The fixed blade has a primary shearing surface that has a convex or radiused cutting edge, a convex or radiused bevel, and a convex or radiused body feature. There is also a clearance radius and a nose radius so that the cutter can cut a wide variety of shapes and configurations of corrugated building panels. A head with a right hand set of blades predominately cuts curves to the right, and a head with a left hand set predominately cuts curves to the left.
    Type: Grant
    Filed: May 2, 2008
    Date of Patent: July 5, 2011
    Assignee: Kett Tool Company
    Inventors: Mark Clark, Alexander Rozumovich
  • Powered Hand-Held Metal Cutter
    Publication number: 20090271991
    Abstract: A power driven portable sheet metal cutter includes a head with two blades that mounts to a hand-held electric or pneumatic rotating power unit. The fixed blade has a primary shearing surface that has a convex or radiused cutting edge, a convex or radiused bevel, and a convex or radiused body feature. There is also a clearance radius and a nose radius so that the cutter can cut a wide variety of shapes and configurations of corrugated building panels. A head with a right hand set of blades predominately cuts curves to the right, and a head with a left hand set predominately cuts curves to the left.
    Type: Application
    Filed: May 2, 2008
    Publication date: November 5, 2009
    Applicant: KETT TOOL COMPANY
    Inventors: Mark Clark, Alexander Rozumovich
  • Metal shear head center blade
    Patent number: D690172
    Type: Grant
    Filed: October 26, 2011
    Date of Patent: September 24, 2013
    Assignee: Kett Tool Company
    Inventor: Alexander Rozumovich