Patents by Inventor William K. Stubbs

William K. Stubbs 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).

  • Multi-aisle warehouse system with mobile lift having control means for an article transfer vehicle
    Patent number: 4007843
    Abstract: A warehouse storage system comprises an array of storage bins arranged in vertical tiers with the tiers arranged in rows and having aisles between the rows. A mobile vertical lift moves across the ends of the aisles and carries thereon a mobile transfer vehicle which can be elevated by the mobile vertical lift to any desired storage level. The self-powered mobile transfer vehicle is adapted to be automatically dispatched from the mobile vertical lift at a predetermined aisle and level and is programmable to travel via tracks along the aisle to a predetermined bin location, and extend retrieving mechanism from the vehicle for transferring the pallet load between the mobile transfer vehicle and the storage bin.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: February 15, 1977
    Assignee: Rapistan, Incorporated
    Inventors: LeRoy Lubbers, William K. Stubbs, Howard A. Zollinger