Patents by Inventor Paul Thomas Kubinski

Paul Thomas Kubinski 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).

  • Electro-hydraulic lift mechanism for lawn mower deck
    Patent number: 7730705
    Abstract: A mower deck lift mechanism for a lawn mower includes a mower deck, a linkage mechanism for movably mounting the mower deck to the frame for raising and lowering movement relative to the frame, and an electro-hydraulic actuator assembly connected to the linkage mechanism for raising and lowering the mower deck relative to the frame. The actuator assembly is an integrated unit including a hydraulic piston-cylinder assembly connected to the linkage mechanism, a pump for supplying pressurized fluid to the piston-cylinder assembly, and an electric motor for driving the pump.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: June 8, 2010
    Assignee: Parker-Hannifin Corporation
    Inventor: Paul Thomas Kubinski
  • ELECTRO-HYDRAULIC LIFT MECHANISM FOR LAWN MOWER DECK
    Publication number: 20080256918
    Abstract: A mower deck lift mechanism for a lawn mower includes a mower deck, a linkage mechanism for movably mounting the mower deck to the frame for raising and lowering movement relative to the frame, and an electro-hydraulic actuator assembly connected to the linkage mechanism for raising and lowering the mower deck relative to the frame. The actuator assembly is an integrated unit including a hydraulic piston-cylinder assembly connected to the linkage mechanism, a pump for supplying pressurized fluid to the piston-cylinder assembly, and an electric motor for driving the pump.
    Type: Application
    Filed: April 20, 2007
    Publication date: October 23, 2008
    Inventor: Paul Thomas Kubinski