Patents by Inventor Lance Hartman

Lance Hartman 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).

  • End of arm tool capable of ejecting totes
    Patent number: 11167423
    Abstract: An end-of-arm tool lifts a stack of totes and ejects a lowermost tote one at a time. The tool includes fixed unloading arms on which an outgoing tote slides in response to a pusher. A pair of staging arms lift the totes above the outgoing tote to free the outgoing tote and enable the outgoing tote to slide on the unloading arms.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: November 9, 2021
    Assignee: Amazon Technologies, Inc.
    Inventors: Maxim Hoffman, Roland Menassa, Lane Sturman, Lance Hartman