Patents by Inventor Dan R. Holcombe

Dan R. Holcombe 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).

  • Solids discharge device
    Publication number: 20020144658
    Abstract: A composting plant e.g. for use in vermiculture, comprises a cruciform type breaker bar unit 16 (FIG. 4) for moving the bottom layer of worm worked material through the perforated floor (elevated Discharge Floor) of the plant.
    Type: Application
    Filed: April 10, 2001
    Publication date: October 10, 2002
    Inventors: Dan R. Holcombe, Clive Aurthor Edwards