Patents by Inventor Alexander Kiseljev

Alexander Kiseljev 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).

  • Orbital engine
    Patent number: 6230681
    Abstract: A rotor-piston internal combustion engine comprised of a body with two intersecting circular cylinders with pistons therein, two diametrically located ignition chambers and two cylindrical cavities, driving shaft and piston synchro mechanism with two hinges is provided.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: May 15, 2001
    Assignee: Planetarische Motoren AG
    Inventors: Alexander Kiseljev, Eugenji Borisov