Patents by Inventor James L. Vanderzanden

James L. Vanderzanden 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).

  • Saw chain with defined pitch
    Patent number: 8555869
    Abstract: Embodiments of the disclosure provide a saw chain having a pitch in the range of approximately 0.440 to approximately 0.450. Embodiments also include tie straps and/or other components having fluid distribution features.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: October 15, 2013
    Assignee: Blount, Inc.
    Inventors: Ian S. Osborne, James L. Vanderzanden
  • Aggregate cutting saw chain
    Patent number: 8342163
    Abstract: Embodiments of the disclosure provide an aggregate cutting saw chain having a pitch in the range of approximately 0.440 to approximately 0.450. Embodiments also include tie straps and/or other components having fluid distribution features.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: January 1, 2013
    Assignee: Blount, Inc.
    Inventors: Ian S. Osborne, James L. Vanderzanden
  • AGGREGATE CUTTING SAW CHAIN
    Publication number: 20110061639
    Abstract: Embodiments of the disclosure provide an aggregate cutting saw chain having a pitch in the range of approximately 0.440 to approximately 0.450. Embodiments also include tie straps and/or other components having fluid distribution features.
    Type: Application
    Filed: August 22, 2008
    Publication date: March 17, 2011
    Applicant: BLOUNT, INC.
    Inventors: Ian S. Osborne, James L. Vanderzanden
  • Repairable guide bar for tree harvesters
    Patent number: 5052109
    Abstract: A guide bar for a mechanical harvester wherein the guide bar is repairable after bending. The guide bar is provided with a pliable section of lowered hardness in a limited zone between a mounting bracket and the principal cutting portion of the bar. A hinge area is thereby created in the zone area to permit bending of the bar without breaking. Reduced hardness is tolerated in the zone area where the least cutting action is encountered.
    Type: Grant
    Filed: October 26, 1990
    Date of Patent: October 1, 1991
    Assignee: Blount, Inc.
    Inventors: James L. Vanderzanden, Christopher D. Seigneur