Patents by Inventor Norman C. Sayce

Norman C. Sayce 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).

  • Flushing system for a holding tank of a recreational vehicle
    Patent number: 5642746
    Abstract: A flushing system for a recreational vehicle grey water holding tank including a water supply line having a upright air containing line with a closed outer end and with its inner end confluent with the supply line, an on-off valve downstream of the air containing line and a one way valve in the supply line. The inner end of the supply line extending into the tank confluently connected to an upright pipe with a spray nozzle on the top end thereof.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: July 1, 1997
    Inventor: Norman C. Sayce