Patents Assigned to Zenith Cutter, Inc.
  • Cutoff knife serration
    Patent number: 10350776
    Abstract: A pair of cutoff knives configured for mounting on counter-rotating drums such that a serrated edge of one knife of the pair intermeshes with a serrated edge of the other knife of the pair to create a sinusoidal-shaped gap between the intermeshed serrated edges.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: July 16, 2019
    Assignee: Zenith Cutter, Inc.
    Inventors: Timothy R. Greve, Mark J. Johnson
  • Capped shredder knife
    Patent number: 9132429
    Abstract: A knife assembly for a shredder includes a base and a knife cap coupled to the base. The knife cap is configured to cut a material passed through the shredder. In addition, a brazing material is positioned between the base and the knife cap to secure the base and the knife cap together. The base and the knife cap have generally the same outer footprint.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: September 15, 2015
    Assignee: Zenith Cutter, Inc.
    Inventors: Timothy R. Greve, Douglas Long, Robert F. Yocum
  • CAPPED SHREDDER KNIFE
    Publication number: 20140217222
    Abstract: A knife assembly for a shredder includes a base and a knife cap coupled to the base. The knife cap is configured to cut a material passed through the shredder. In addition, a brazing material is positioned between the base and the knife cap to secure the base and the knife cap together. The base and the knife cap have generally the same outer footprint.
    Type: Application
    Filed: October 29, 2013
    Publication date: August 7, 2014
    Applicant: Zenith Cutter, Inc.
    Inventors: Timothy R. Greve, Douglas Long, Robert F. Yocum
  • Knife assembly
    Patent number: D772316
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: November 22, 2016
    Assignee: Zenith Cutter, Inc.
    Inventors: Mark J. Johnson, Timothy R. Greve
  • Knife insert
    Patent number: D772317
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: November 22, 2016
    Assignee: Zenith Cutter, Inc.
    Inventors: Mark J. Johnson, Timothy R. Greve
  • Serrated male slot knife
    Patent number: D791205
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: July 4, 2017
    Assignee: Zenith Cutter, Inc.
    Inventors: Mark J. Johnson, Timothy R. Greve, Jeffrey G. Cimarrusti
  • Serrated male slot knife
    Patent number: D791206
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: July 4, 2017
    Assignee: Zenith Cutter, Inc.
    Inventors: Mark J. Johnson, Timothy R. Greve, Jeffrey G. Cimarrusti, Gregory K. Farnham