Patents by Inventor Belton E. Hall

Belton E. Hall 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).

  • Reverse osmosis water purification system for use in limited water supply installations
    Patent number: 4626346
    Abstract: A reverse osmosis water purification system for purification of water received from a supply tank having a limited and exhaustible supply of water. Water is extracted from the supply tank by a pump which directs the extracted water under pressure to a reverse osmosis unit which in turn directs the purified water to a hydro-pneumatic storage tank with the waste water produced by the reverse osmosis unit being returned to the supply tank for water conservation purposes. The system further includes a pressure sensing switch associated with the hydro-pneumatic storage tank and the pump to maintain the differential pressure across the reverse osmosis unit in a predetermined pressure range.
    Type: Grant
    Filed: February 10, 1986
    Date of Patent: December 2, 1986
    Inventor: Belton E. Hall