Patents by Inventor Daniel T. Bourquin

Daniel T. Bourquin 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: 9756845
    Abstract: The invention provides a mechanical device to assist in weed removal from crops in an organic manner by mechanically pulling weeds by use of a rotating member to grasp and pull weeds from the soil while leaving the desired crop in place. The rotating members may be wheels, metal rollers, and combinations thereof removably attached to a tractor wherein one rotating member is larger in diameter than a second rotating member diameter.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: September 12, 2017
    Inventor: Daniel T. Bourquin
  • Patent number: 9596840
    Abstract: The invention provides a mechanical device to assist in weed removal from crops in an organic manner by mechanically pulling weeds by use of a rotating member to grasp and pull weeds from the soil while leaving the desired crop in place. The rotating members may be wheels, metal rollers, and combinations thereof removably attached to a tractor wherein one rotating member is an inflated rubber tire and the second rotating member is a metal roller wrapped with a rubber lagging and may include a posi-pull system.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: March 21, 2017
    Inventor: Daniel T. Bourquin
  • Publication number: 20120241177
    Abstract: The invention provides a mechanical means to assist in weed removal from crops in an organic manner by mechanically pulling weeds by use of a rotating member to grasp and pull weeds from the soil while leaving the desired crop in place. The rotating members may be wheels, metal rollers, and combinations thereof removably attached to a tractor wherein one rotating member is an inflated rubber tire and the second rotating member is a metal roller wrapped with a rubber lagging.
    Type: Application
    Filed: March 13, 2012
    Publication date: September 27, 2012
    Inventor: Daniel T. Bourquin
  • Patent number: 4183411
    Abstract: This invention is a weed puller apparatus connectable to the rear or front portions of a tractor and can be used jointly with a cultivator to loosen the soil. The weed puller apparatus includes (1) a main support means selectively connected to the rear or front of the tractor; (2) a weed pulling means connected to the main support means; and (3) a power and control means operably associated with the power supply of the tractor and connected to the weed pulling means to drive same. The weed pulling means includes cooperating pairs of contacting weed pulling assemblies, some are driven by the power means and others are driven by frictional contact between adjacent ones.
    Type: Grant
    Filed: January 9, 1978
    Date of Patent: January 15, 1980
    Assignee: Bourquin Design and Mfg., Inc.
    Inventor: Daniel T. Bourquin