And Separate Drying Zone Patents (Class 4/111.6)
  • Patent number: 11753838
    Abstract: A portable toilet requires no water supply and is configured to allow solid waste collection by an upper solid waste chamber having a solid waste tray slidingly disposed within the upper waste chamber. A disposable matting member is placed within the solid waste tray to collect solid waste. Liquid waste percolates through the solid waste tray and the disposable matting member into a liquid waste chamber disposed beneath the solid waste tray.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: September 12, 2023
    Inventor: Gaylord Dean Hill
  • Patent number: 6442768
    Abstract: A self-contained toilet that has no water consumption and does not use chemicals. A toilet bowl cleaned by combining compressed air and liquid through jets to reduce flush volume. The flush liquid supply reclaimed through distillation. The dehydration chamber cleaned by scraping and blowing of the waste. The dehydration process coming from a highly efficient heat, air and grinding chamber. The air compressor pressurizing the tank to clean the bowl and/or empty and dehydrate the chamber contents. The compressor intake used to eliminate odors from the bowl and vent the humidity from the dehydration process. The dehydration process controlled through temperature sensors that detect relative humidity. A toilet wherein it will operate while being used, flush within two minutes and the dehydration process able to be interrupted repeatedly with other deposits of human waste then resume operation until fully dehydrated.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: September 3, 2002
    Assignee: Zerolet, Inc.
    Inventor: W. Scott Hammond