Patents by Inventor Joann Davis

Joann Davis 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: 6085806
    Abstract: An oil drain kit for collecting used motor oil comprising an oil drain collection pan, having a bottom wall raised at the center and sloping to its marginal extremity where it is joined with a side wall having a radial flange at the top of the wall and which extends circumferentially thereabout with a downwardly extending edge portion. The bottom wall is provided at its extremity adjacent its junction with the side wall with at least three discharge openings, each with a funnel spout extending downwardly therefrom. The spouts are adapted to receive the necks of empty oil containers which connect therewith and serve as supporting legs for the drain collection pan. A tray receives the containers when placed therein and facilitates sliding the kit under the oil drain plug of a motor to collect used oil draining therefrom and for removing it when draining is completed.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: July 11, 2000
    Inventors: Chester Ray Davis, Joann Davis
  • Patent number: 5377613
    Abstract: A submersible boat is provided which utilizes a planing boat hull with a sharp bow and blunt stern. The submersible boat performs as a planing boat until it nears the target location. Then, the boat submerges in order to avoid detection. After this vessel submerges, it travels with the blunt end forward and the sharp end aft.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: January 3, 1995
    Assignee: The Untied States of America as represented by the Secretary of the Navy
    Inventors: David B. Wyman, Joann Davis
  • Patent number: RE36093
    Abstract: A submersible boat is provided which utilizes a planing boat hull with a sharp bow and blunt stern. The submersible boat performs as a planing boat until it nears the target location. Then, the boat submerges in order to avoid detection. After this vessel submerges, it travels with the blunt end forward and the sharp end aft.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: February 16, 1999
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: David B. Wyman, JoAnn Davis