Patents by Inventor Chin Thong Lee

Chin Thong 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).

  • Patent number: 7261351
    Abstract: A spreader (1) for lifting a freight container (7, 17) comprises a frame (3, 4, 11) and two pairs of pickup elements (5). Each pair of pickup elements (5) are mounted at opposite ends of the frame (3, 4, 11) and the frame (3, 4, 11) is adjustable to adjust the separation of the two pairs of pickup elements (5). A detector (8) is movably mounted on the frame (3, 4, 11) for movement between a first position in which the detector (8) is closer to one pair of pickup elements (5) and a second position in which the detector (8) is closer to the other pair of pickup elements (5). The detector is adapted to detect a discontinuity in an object (7, 17) located below the spreader (1).
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: August 28, 2007
    Assignee: NSL Engineering Pte Ltd
    Inventor: Chin Thong Lee
  • Patent number: 7031883
    Abstract: A spreader for lifting freight containers includes a frame having a number of pickup elements mounted thereon, a processor and a data storage device mounted on the frame. The processor is coupled to an interface device to receive outputs from a number of sensors mounted on the spreader and to store data received from the sensors in the data storage device.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: April 18, 2006
    Assignee: Natsteel Engineering PTE LTD
    Inventor: Chin Thong Lee