Patents by Inventor Edward Colbrun

Edward Colbrun 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).

  • Vertical tine tiller
    Patent number: 9480196
    Abstract: A vertical tine tiller that includes a chassis, an engine attached to the chassis, a handle assembly extending from the chassis to allow an operator to control the tiller, and at least two vertically oriented tine assemblies. Each of the tine assemblies include a plurality of tines attached to a plate, wherein the tine assemblies are rotatable about a vertical axis such that the tines of each tine assembly provide a grinding path and adjacent tine assemblies have at least partially overlapping grinding paths. The tines are removably connected to the plate.
    Type: Grant
    Filed: May 23, 2013
    Date of Patent: November 1, 2016
    Assignee: MTD PRODUCTS INC
    Inventors: Timothy M. Obrzut, Paul A. Crawford, Edward Colbrun, Gregory T. McGinnis
  • VERTICAL TINE TILLER
    Publication number: 20150144363
    Abstract: A vertical tine tiller that includes a chassis, an engine attached to the chassis, a handle assembly extending from the chassis to allow an operator to control the tiller, and at least two vertically oriented tine assemblies. Each of the tine assemblies include a plurality of tines attached to a plate, wherein the tine assemblies are rotatable about a vertical axis such that the tines of each tine assembly provide a grinding path and adjacent tine assemblies have at least partially overlapping grinding paths. The tines are removably connected to the plate.
    Type: Application
    Filed: May 23, 2013
    Publication date: May 28, 2015
    Inventors: Timothy M. Obrzut, Paul A. Crawford, Edward Colbrun, Gregory T. McGinnis