Patents by Inventor Glen Stoner

Glen Stoner 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).

  • Tree digging apparatus
    Patent number: 5950549
    Abstract: An apparatus for continuous field digging and cleaning of nursery trees for transplanting comprises; a support frame pulled by a tractor with a fixed ground engagement digging blade and a pivoted removal and treatment basket extending therefrom. A powered eccentric drive arm secured to the basket oscillating same within a confined range of movement so as to expose and free the tree root system from the surrounding earth during operation.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: September 14, 1999
    Inventor: Glen Stoner
  • Tree digging apparatus
    Patent number: 5909714
    Abstract: An apparatus for continuous field digging and cleaning of nursery trees for transplanting comprises; a support frame pulled by a tractor with a fixed ground engagement digging blade and a pivoted removal and treatment basket extending therefrom. A powered eccentric drive arm secured to the basket oscillating same within a confined range of movement so as to expose and free the tree root system from the surrounding earth during operation.
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: June 8, 1999
    Inventor: Glen Stoner