Patents by Inventor Mikel Kallenbach

Mikel Kallenbach 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: 7954736
    Abstract: A wood chipper has a pair of feed rollers, a first of which has a fixed axis position, and a second of which is moveably toward and away from the first feed roller. Springs are provided to urge the moveable roller toward the first feed roller and to a reference position, and an actuator is provided for moving the moveable feed roller away from the first feed roller. A sensor is provided to sense the height of an object on a feed chute as the object approach the feed rollers and cause the actuator to move moveable feed roller away from the reference when the sensor signals the object exceeds a selected amount.
    Type: Grant
    Filed: July 1, 2008
    Date of Patent: June 7, 2011
    Assignee: Duratech Industries International Inc.
    Inventor: Mikel Kallenbach