Patents by Inventor Graham Tranmer

Graham Tranmer 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: 5407014
    Abstract: A scarifier/grader apparatus comprises, in combination, a tractor connected through a 3-point hitch to a scarifier/grader attachment wherein:the tractor is adapted to be operably connected through a three point hitch to a scarifier/grader attachment comprising a scarifier including hydraulics for raising and lowering a plurality of scarifying teeth borne thereon in laterally pivotable relation on a bracket that is angled in a forward direction to improve the angle of attack;a grading blade having a mold board and a cutting edge;a second frame interconnecting the scarifier frame and the blade in mutually spaced apart relation with the scarifier in operably leading relation and the blade in operably trailing relation,wherein the scarifier includes height-adjusting hydraulics for selectively raising and lowering the plurality of scarifying teeth borne thereon relative to the cutting edge.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: April 18, 1995
    Inventor: Graham Tranmer