Patents by Inventor Wei-Chuan Chang

Wei-Chuan Chang 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: 4627539
    Abstract: A transporting apparatus comprises a bottomless container case, a removable railing bottom plate, and a removable railing rack. Goods are piled on the railing rack in a size according to the size of the bottomless container case. Quick and automatic connection means are provided therebetween both the removable railing bottom plate and the open end of the bottomless container case for quickly and automatically connect the former to the latter. When the bottomless container case is put to cover the goods on the railing rack and the railing bottom plate is inserted into the bottomless container case through a slot on the lowest sidewall of the container case, entire goods will be transferred from the railing rack onto the railing bottom plate automatically after the bottomless container case together with the railing bottom plate have been hoisted away from the railing rack to transport.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: December 9, 1986
    Inventors: Wei-Chuan Chang, Yang Yin-Lung