Patents by Inventor Todor G. Nikolov

Todor G. 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).

  • Method and installation for obtaining enriched fractions from used storage batteries
    Patent number: 4944869
    Abstract: An apparatus for obtaining enriched fractions from storage batteries is preferably three units connected in series, each of which has two concentrically disposed drums provided with helical strips on their inner wall. Concentrically to the axis of the outer drum is mounted an inner perforated drum to which are fastened perforated blades and are formed longitudinal openings over which are fixed reflectors and a screen. In its rear end, the inner perforated drum ends in a conic perforated passage to which is fastened a tube with a helical strip and outlet opening.
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: July 31, 1990
    Assignee: Nauchno-Installation Sektor-Vchti
    Inventors: Nedyalko K. Lyakov, Georgi A. Haralampiev, Todor G. Nikolov, Georgi S. Buyukliev, Peter S. Petrov, Peter V. Valchev, Valcho P. Myuftiev, Kalin T. Primov