Patents by Inventor Pan D. Jo

Pan D. Jo 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).

  • Two-stroke internal-combustion engine
    Patent number: 4469054
    Abstract: An engine comprising one pair of scavenge ports alternately covered and uncovered by a piston, a richer air-fuel mixture and a leaner air-fuel mixture being separately fed into the cylinder from the scavenge ports, the richer air-fuel mixture flowing into the cylinder towards the inner wall thereof, located opposite the exhaust port, and the leaner air-fuel mixture flowing into the cylinder so that it overlays the richer air-fuel mixture.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: September 4, 1984
    Assignee: Nippon Clean Engine Research Institute Co., Ltd.
    Inventors: Sigeru Onishi, Souk H. Jo, Pan D. Jo, Satoshi Kato