Patents by Inventor Charles R. DuBose

Charles R. DuBose 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: 5347939
    Abstract: Improved agricultural apparatus including a three-point hitch frame for attaching to a vehicle and to a tool bar assembly. Three-point hitch frame includes L-shaped retaining members for engaging the tool bar assembly and may be substantially U-shaped. The invention is also embodied in an agricultural apparatus with a hitch frame for attaching to a vehicle and to a tool bar assembly and including a metering hopper system attached to the upper side of the hitch frame. The invention is also embodied in an improved ground contact metering wheel assembly for maintaining contact with the ground even on uneven terrain. The present invention has particular applicability as an interseeding apparatus.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: September 20, 1994
    Assignee: Clemson University
    Inventors: Clarence E. Hood, Jr., Charles R. Dubose
  • Patent number: 4896615
    Abstract: A hopper for dispensing seed, grain and the like comprises a housing having a lower portion and at least one dispensing opening in the lower portion; a rotatable shaft located within the housing; a drive shaft transferring rotational energy to the shaft from a low horsepower, low rpm, electric motor; a brush having a plurality of tufts of flexible bristles held in an annular member mounted on the shaft above each dispensing opening for feeding seed, grain and the like to the dispensing opening during rotation of the shaft; a marked metering plate having a metering hole therethrough and extending into a slot formed in a first side portion of the housing; and a mechanism for selectively stopping rotation of the shaft whereby when rotation of the shaft is stopped, seeds, grain and the like are blocked from access to the dispensing opening, the mechanism including a cam adjustably mounted on the shaft, a cam follower for engaging the cam and a microswitch connected to the cam follower and deactivating the electri
    Type: Grant
    Filed: August 26, 1987
    Date of Patent: January 30, 1990
    Assignee: Clemson University
    Inventors: Clarence E. Hood, Jr., Thomas R. Garrett, Charles R. DuBose
  • Patent number: 4497265
    Abstract: A seeding implement which includes a cylindrical container having a bottom with a centrally located opening therein. A metering plate is located beneath said container, preferably defining a plurality of different sized orifices that are locatable beneath and concentric to the bottom wall opening of the container. An elongated, adjustable seed metering rod is provided which includes a flattened tip that resides within said bottom wall opening, and eccentric thereto, and with the rod being mounted for oscillatory motion. Removable mounting of a plurality of seeding implements on a soil renovating implement is also disclosed and claimed.
    Type: Grant
    Filed: April 4, 1983
    Date of Patent: February 5, 1985
    Assignee: Clemson University
    Inventors: Clarence E. Hood, Jr., Thomas R. Garrett, Charles R. DuBose