Patents by Inventor Elizabeth J Paper

Elizabeth J Paper 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).

  • Holding tank cleaning device
    Patent number: 6539962
    Abstract: The present invention 10 discloses a device which can be used to remove waste material and debris from the holding tank 26 of a recreational vehicle 14. The present invention 10 comprises an outlet element 36 being T or Y-shaped having an end cap 34 on one end and a locking cap 38 on the other end which locking cap 38 connects by using a locking element to the tank coupling valve 22 of the recreational vehicle. An extension wand 32 which is connected to an inlet water hose 20 at the inlet hose coupling element 24 passes through O-rings 44 disposed in the end cap 34 and the locking cap 38 whereby the extension wand travels or passes into the inner area of the holding tank 26. The extension wand 32 has water outlet perforations 35 on its end which are disposed interior of the holding tank so as to disperse the pressurized fluid throughout the inner tank.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: April 1, 2003
    Inventors: David M Paper, Elizabeth J Paper
  • Holding tank cleaning device
    Publication number: 20020174886
    Abstract: The present invention 10 discloses a device which can be used to remove waste material and debris from the holding tank 26 of a recreational vehicle 14. The present invention 10 comprises an outlet element 36 being T or Y-shaped having an end cap 34 on one end and a locking cap 38 on the other end which locking cap 38 connects by using a locking element to the tank coupling valve 22 of the recreational vehicle. An extension wand 32 which is connected to an inlet water hose 20 at the inlet hose coupling element 24 passes through O-rings 44 disposed in the end cap 34 and the locking cap 38 whereby the extension wand travels or passes into the inner area of the holding tank 26. The extension wand 32 has water outlet perforations 35 on its end which are disposed interior of the holding tank so as to disperse the pressurized fluid throughout the inner tank.
    Type: Application
    Filed: April 23, 2001
    Publication date: November 28, 2002
    Inventors: David M. Paper, Elizabeth J. Paper