Patents by Inventor Chi Lau

Chi Lau 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).

  • Publication number: 20060009114
    Abstract: A liquid ejector for use on a tricycle, comprises a bottle for containing water and having a nozzle connected thereto through which water can be ejected out. A pump is connected to the bottle, which includes an operator for operating the pump to pressurize water in the bottle for ejecting the same. An actuator actuates the operator. The actuator is in cam engagement with a rotatable wheel of the tricycle, such that upon action of the tricycle the actuator simultaneously actuates the operator to operate the pump for ejecting water out of the bottle through the nozzle. The subject ejector and tricycle are fun to play with in a combatant game.
    Type: Application
    Filed: July 7, 2004
    Publication date: January 12, 2006
    Inventor: Chi Lau
  • Publication number: 20050250413
    Abstract: A moving toy, e.g. toy car, comprises a body, wheels for moving the body on a surface, and an electric motor provided in the body for driving the wheels. A control circuit is connected to the motor for controlling the performance of the motor. Also included one or more impact detectors connected to the control circuit for detecting an impact acted upon the toy and in response providing a signal to cause the control circuit to reduce the performance of the motor and hence the speed of the car.
    Type: Application
    Filed: May 10, 2004
    Publication date: November 10, 2005
    Inventors: Kai Lo, Chi Lau