Patents by Inventor Ge Lee

Ge Lee 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).

  • Adjustable hang ladder with fall arresting and cushioning arrangement
    Patent number: 8464833
    Abstract: An adjustable hang ladder includes a main ladder section and a hang ladder section secured to the main ladder section. The hang ladder section has a hang ladder insert pivotally secured to an attachment section and locked in place by a locking mechanism. The hang ladder section is provided with a fall arresting and damping arrangement designed for connection to a roofer using the ladder for providing a cushioning effect in the event the roofer falls from the ladder.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: June 18, 2013
    Inventor: Ge Lee
  • Adjustable Hang Ladder with Fall Arresting and Cushioning Arrangement
    Publication number: 20120080263
    Abstract: An adjustable hang ladder includes a main ladder section and a hang ladder section secured to the main ladder section. The hang ladder section has a hang ladder insert pivotally secured to an attachment section and locked in place by a locking mechanism. The hang ladder section is provided with a fall arresting and damping arrangement designed for connection to a roofer using the ladder for providing a cushioning effect in the event the roofer falls from the ladder.
    Type: Application
    Filed: October 5, 2010
    Publication date: April 5, 2012
    Inventor: Ge Lee