Patents by Inventor Andy W. Sheng

Andy W. Sheng 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: 5332387
    Abstract: Disclosed is a cigarette lighter including a tank for a pressurized combustible gas; a normally closed feed valve having a nozzle outlet, the valve being connected to the tank for preventing exit of the gas from the tank and being openable in response to external force for feeding the gas for combustion thereof; a base fixedly supported relative to the valve; an actuator movably supported relative to the base for opening the valve, the actuator transmitting the external force when opening the valve, the gas being ignited when fed from the tank when the valve is engaged and opened by the actuator; and a safety device movable and operable from a normal position for holding the actuator disengaged from the valve to a released position for enabling the actuator to engage and open the valve.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: July 26, 1994
    Inventor: Andy W. Sheng