Patents by Inventor Petr D. Kuzmin

Petr D. Kuzmin 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).

  • Apparatus for compacting soil, concrete and like materials
    Patent number: 4607980
    Abstract: An apparatus for compacting soil includes a tamping shoe with anvils, a reaction mass with an anvil and an impact mechanism comprising a crank gear installed in a casing and having hammer rams which are oppositely directed and which are coaxial with the anvils of the tamping shoe and reaction mass.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: August 26, 1986
    Assignee: Spetsialnoe Konstruktorskoe Bjuro "Stroimekhanizatsia"
    Inventors: Vladimir A. Shilkov, Andrei V. Shilkov, Petr D. Kuzmin, Vladimir S. Metrikin, Vladimir A. Chumichev, Anatoly I. Borovtsev, Nikolai I. Dubenkov