Patents by Inventor Joan H. Frazier

Joan H. Frazier 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: 6086002
    Abstract: The present invention relates to a hydraulic assisted comminuting, vacuuming and loading system for debris and includes: a self propelled vehicle having a bed for either (i) feeding native material, commercial mulch and the like into the system, or (ii) receiving debris from the system after comminution has occurred in a in-line fashion; a frame trailerable attached to an end of the self propelled vehicle and including ground engaging wheels; a comminuting chamber attached to the frame at one end having a plurality of side walls upwardly depending from the frame, input and output openings, a hammermill having a shaft extending across the chamber, a first hydraulic motor assembly attached at one end of the shaft including input and output hoses and a first controller, a series of bifurcated hammers and a grate through which the comminuted material passes; an air fan chamber attached to the frame having an input opening connected to the output opening of the comminuting chamber, an output opening, a fan positio
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: July 11, 2000
    Inventors: Joan H. Frazier, Glenn L. Frazier
  • Patent number: 5454521
    Abstract: The system of the invention includes: a self propelled vehicle having a bed for receiving debris after comminution has occurred. The bed includes a cover.
    Type: Grant
    Filed: October 20, 1994
    Date of Patent: October 3, 1995
    Inventors: Joan H. Frazier, Glenn L. Frazier