Patents by Inventor Mark C. DePumpo

Mark C. DePumpo 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: 9371217
    Abstract: A hand operated forklift with either a cable winch lift assembly or scissor arm lift assembly for lifting pallets and other heavy items. The forklift includes a mast assembly having a mast frame with winch assembly and winch cable mounted thereon. The mast frame is mounted on top of a mast base frame. The frame includes a pair of large front wheels and a pair of large rear pivot wheels. A handle is attached to the rear of the frame for turning the rear wheels and moving the forklift. A fork assembly is mounted on front of the mast assembly and includes a fork frame and two adjustable, ā€œLā€ shaped lift forks. The forks are used for engaging and lifting pallets. The fork frame is slidably mounted on the mast frame and connected to a lift assembly. The lift assembly is used for raising and lowering the fork frame and forks on the mast frame.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: June 21, 2016
    Inventor: Mark C. DePumpo