Patents by Inventor Ivan Angelov Nikolov

Ivan Angelov Nikolov 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: 4097927
    Abstract: An apparatus for mixing bulk materials, comprising a vertical cylinder and an inclined bottom, wherein in the axis of the vertical cylinder there is provided an internal pipe, and outside of it there is fastened an outer pipe, and both pipes are connected in their bottom end to a centrifugal ventilator, and above the internal pipe there is arranged a mixer.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: June 27, 1978
    Assignee: Chimkombinat
    Inventors: Stoyan Hristov Sendov, Ivan Alexandrov Kuklin, Ivan Angelov Nikolov, Assen Ninov Ivanov, Mircho Georgiev Mirchev, Radoslav Borissov Kurtashev
  • Patent number: 4065393
    Abstract: A conical centrifuge with continuous action, comprising a cylindrical housing, ending with a cone and a connection in its bottom end for the removal of the solid phase. Inside this cone there is fixed coaxially a cylinder, ending with a cone and a connection for the removal of the liquid phase, and over said cylinder there is disposed a conical rotor attached to a shaft, supported in a bearing box and connected by means of a belt drive to an electric motor, which is fastened to the cover of the housing. Concentrically with the bearing box there is provided a vertical pipe, in which there ends a connection, and this vertical pipe is connected to the bearing box by means of vertical blades, which are inclined with respect to the radius and to their outer ends there are fastened helical-shaped blades.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: December 27, 1977
    Assignee: Chimkombinat
    Inventors: Stoyan Hristov Sendov, Ivan Angelov Nikolov, Ivan Alexandrov Kuklin, Mircho Georgiev Mirchev