Patents by Inventor Richard E. Nield

Richard E. Nield 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: 6702942
    Abstract: A water conservation device, kit and method of using is disclosed for use in capturing gray water generated from a drain of a fresh water utility apparatus operationally interconnected connected to a fresh water source and for recycling the captured gray water to a gray water utility apparatus. The device comprises the operationally connected elements of a T-junction pipe, a first shutoff valve, a filter entrance pipe, a water filter apparatus, a filter exit pipe, a storage tank, an overflow pipe, an air vent stack, a second shutoff valve, a bypass pipe, a fresh water feed pipe, a third shutoff valve, a fresh water drain pipe, a fourth shutoff valve, a grey water drain pipe, a water pump, and a primary grey water feed pipe.
    Type: Grant
    Filed: December 11, 2002
    Date of Patent: March 9, 2004
    Inventor: Richard E. Nield