Patents by Inventor James L. Thatcher

James L. Thatcher 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: 6505093
    Abstract: A method of automatically picking items to fill a purchase order. A purchase order is received and information about the identity and quantity of items ordered in the purchase order is extracted from it. A pick list is created from the extracted information a pick list, and the pick list is associated with a receptacle for receiving picked items. A determination is made whether ordered items are of a first type or a second type. If no item of the second type is ordered, the receptacle is directed to a first location where items of the first type are stored and ordered items stored at the first location are automatically picked and placed in the receptacle. If at least one item of the second type is ordered, the receptacle is first directed to a second location where items of the second type are stored.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: January 7, 2003
    Assignee: SI Handling Systems, Inc.
    Inventors: James L. Thatcher, Allen Easterling
  • Patent number: 4646649
    Abstract: A driverless vehicle, propelled by a longitudinal drive shaft, is provided with a load supporting substrate coupled to the vehicle body by a floating mount which permits the substrate to be moved relative to the body in a limited manner. A precision locator for use with said vehicle orientates the substrate in three directions, namely fore-aft, transversely, and vertically.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: March 3, 1987
    Assignee: SI Handling Systems, Inc.
    Inventors: James L. Thatcher, Per E. Lindquist
  • Patent number: 4417838
    Abstract: The lane loading apparatus includes a wheeled frame reciprocal along the loading end of shelves. The frame supports a main carriage for vertical movement with respect to the shelves. The main carriage supports an auxiliary carriage for reciprocation toward and away from the loading end of the shelves. A lane actuator is supported by the auxiliary carriage for retracting an endless member and associated pusher in a lane to a reloading position.
    Type: Grant
    Filed: December 23, 1980
    Date of Patent: November 29, 1983
    Assignee: SI Handling Systems, Inc.
    Inventors: Charles W. Schultz, James L. Thatcher