Patents by Inventor William T. Lipsey

William T. Lipsey 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).

  • Compost pile building apparatus
    Patent number: 5972696
    Abstract: An apparatus and method for using cotton gin trash or the like to build a compost pile. The apparatus includes a support surface for supporting a compost pile with at least a portion of the support surface being porous; a conveyor for conveying compostable material along a path above the support surface and for dispensing the compostable material onto the support surface; and a mechanism for adding a fluid to the compostable material as the compostable material is received in the inlet of the conveyor.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: October 26, 1999
    Inventor: William T. Lipsey