Patents by Inventor Tan Slew Lay

Tan Slew Lay 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: 5992397
    Abstract: A gas apparatus for internal combustion engine is disclosed in which recovered hydrocarbon gas vapors from the fuel tank and the hydrocarbon with radical hydrocarbon gas vapors from the crankcase, are mixed together with air and alcohol with water solution in an impeller mixing chamber causing modified hydrocarbon gas vapors and oxygen gas vapors to pass through an electronic ionizer producing negatively charged pre-oxidized hydrocarbon gas vapors, then fed through the air induction system to improve mass of air to mass of fuel ratio in an internal combustion engine. A method for production of negatively charged pre-oxidized hydrocarbon gas vapors is also disclosed.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: November 30, 1999
    Inventors: Watase Hideaki, Dalupan Romulo Vallejos, Tan Slew Lay