Patents by Inventor Ross L. Filpula

Ross L. Filpula 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: 8271164
    Abstract: The invention provides a guidance system for guiding a towed agricultural implement such as seeders, planters, sprayers and the like, along a preferred path between rows of growing crop or standing stubble by sensing the rows of growing crop or standing stubble with a uniquely designed paddle-like sensor means which does not engage the ground.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: September 18, 2012
    Assignee: One Pass Implements Inc.
    Inventors: Barry K. Melanson, Bruce W. Wilton, David R. Duke, Ross L. Filpula, Patrick M. Beaujot
  • Publication number: 20090101371
    Abstract: The invention provides a guidance system for guiding a towed agricultural implement such as seeders, planters, sprayers and the like, along a preferred path between rows of growing crop or standing stubble by sensing the rows of growing crop or standing stubble with a uniquely designed paddle-like sensor means which does not engage the ground.
    Type: Application
    Filed: October 23, 2007
    Publication date: April 23, 2009
    Applicant: ONE PASS IMPLEMENTS INC.
    Inventors: BARRY K. MELANSON, BRUCE W. WILTON, DAVID R. DUKE, ROSS L. FILPULA, PATRICK M. BEAUJOT