Patents by Inventor German Viktorovich Demin

German Viktorovich Demin 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).

  • Axial-piston engine
    Patent number: 3986436
    Abstract: An axial-piston engine wherein the shaft has a circular groove for feeding a working medium, the groove provided on one side from a wave-like cam, as well as a circular groove for draining off the working medium, provided on the other side from the wave-like cam; the circular groove for feeding the working medium communicates with longitudinal ducts for feeding the working medium; the longitudinal ducts intercommunicate by means of transverse ducts provided in the zone of the circular groove for feeding the working medium and by means of transverse ducts in the zone of the shaft ports provided on the side of the circular groove for draining off the working medium; the circular groove for draining off the working medium communicates with the longitudinal ducts for draining off the working medium; the latter longitudinal duct are connected with each other by means of transverse ducts in the zone of the circular groove for draining off the working medium and transverse ducts in the zone of the shaft ports provid
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: October 19, 1976
    Inventors: Mikhail Semenovich Kaufman, German Viktorovich Demin