Patents by Inventor Mark E. Ellis

Mark E. Ellis 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).

  • Device for facilitating removal of wastewater and sewage from a recreational vehicle
    Patent number: 5588459
    Abstract: A sewage removal device for use with a recreational vehicle. The device is comprised of a housing attachable to the sewage drain conduit of the recreational vehicle. Sewage from the recreational vehicle drains into a cavity in the housing, and a water inlet directs a stream of water through a nozzle into an outlet conduit in the housing. The water stream facilitates removal of sewage as the sewage drains from the recreational vehicle into the cavity of the housing.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: December 31, 1996
    Inventor: Mark E. Ellis