Patents by Inventor Jeffrey B. Fleming

Jeffrey B. Fleming 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).

  • Hand truck apparatus for lifting as well as transporting loads, such as solid core doors, and method of installing a door
    Patent number: 4752173
    Abstract: A hand truck apparatus configured for transporting, as well as lifting, a load and also configured so that the hand truck apparatus is self-stabilizing under all conditions of use. The hand truck apparatus in accordance with the invention provides mechanical advantage for lifting the load and is configured for precisely lifting the load to a raised position. The hand truck apparatus in accordance with the invention is self-stabilizing when a load is not placed on the hand truck apparatus, as well as when a load is placed on the hand truck apparatus and for any raised position of the load. The hand truck apparatus in accordance with the invention is particularly advantageous when used in connection with transporting and installing solid core doors. Hinge plates are first attached to the edge of the door. The door is then placed on the hand truck apparatus and transported to the location of installation.
    Type: Grant
    Filed: May 8, 1985
    Date of Patent: June 21, 1988
    Inventor: Jeffrey B. Fleming