Patents by Inventor David D. Jones

David D. Jones 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).

  • L-drive
    Patent number: 4907994
    Abstract: A propeller drive for a boat which provides independent steering and independent trimming/tilting mounts through a hole in a bottom surface of the boat. Steering of the propeller drive is provided by a steering assembly constructed to rotate about a generally vertical axis for connecting the drive up through the hole in the boat. Trimming of the propeller drive is provided by a trimming assembly which is pivotally connected to swing the propeller drive generally horizontally from the steering assembly.
    Type: Grant
    Filed: June 15, 1987
    Date of Patent: March 13, 1990
    Assignee: US Marine Corporation
    Inventor: David D. Jones