Patents by Inventor Andy Sang

Andy Sang 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).

  • Safety shut down system for luggage conveyor system
    Patent number: 5143194
    Abstract: A safety system for a conveyor system used for transporting luggage or the like wherein a switch and relay are provided for stopping a conveyor in response to luggage becoming jammed in the conveyor system.
    Type: Grant
    Filed: July 5, 1991
    Date of Patent: September 1, 1992
    Inventor: Andy Sang