Patents by Inventor Calvin Coolridge Barrett

Calvin Coolridge Barrett 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).

  • Freshwater conservation drain system
    Patent number: 11549250
    Abstract: An assembly for reusing greywater in a building for flushing toilet and other purpose to save the freshwater. The assembly includes a diverter to route a portion of greywater from drainpipes to a feed line. From the feed line, the greywater is collected in a pump tank. The pump tank has a pump that can lift the greywater from the pump tank to a storage tank positioned at a top level in the building, the pump tank is at the lower level in the building. A supply line transports the greywater stored in the storage tanks to the toilet tanks for flushing the toilet bowl.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: January 10, 2023
    Inventor: Calvin Coolridge Barrett