Patents by Inventor Robert E. Graven

Robert E. Graven 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: 6178692
    Abstract: A lighting system for use with a vertical growing column (10) for optimally growing a plurality of plants in an indoor environment and enhancing the tonnage per unit area or per unit volume of product harvestable from plants positioned in these columns (10). The lighting system for use with a vertical growing column (10) includes a vertical growing column (11) having a plurality of modular planting units (12), a lighting system (104) and an apparatus (108) for carrying the lighting system (104). Each of the modular planting units (12) includes a center column (14) having a pair of lateral receptacles (16) projecting from opposed sides of the center column (14) and a mounting flange (18) extending downwardly from a lowermost portion of the center column (14) for being received within an uppermost portion of a center column (14) of another planting unit (12).
    Type: Grant
    Filed: March 25, 1996
    Date of Patent: January 30, 2001
    Assignee: Agri-Grow Technologies, Inc.
    Inventor: Robert E. Graven
  • Patent number: 5533302
    Abstract: A modular planting system for growing a plurality of plants arranged in a vertical column. The inventive device includes a plurality of modular planting units which may stacked together at various relative angular orientations to form a vertical column. Each of the modular planting units includes a center column having a pair of plant receptacles projecting from both sides of the center column. A mounting flange extends downwardly from a lowermost portion of the center column and is arranged for reception within an uppermost potion of a center column of another planting unit. In addition, a water system for dispensing water to each of the individual plant receptacles, and supporting structure for supporting the system in a vertical orientation is also provided.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: July 9, 1996
    Inventors: Carroll L. Lynch, Robert E. Graven, Robert L. Graven