Patents by Inventor Alexander M. Alexandrov

Alexander M. Alexandrov 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).

  • Electric system for electric extraction of non-ferrous metals from their solutions
    Patent number: 4105527
    Abstract: System for electric extraction of non-ferrous metals from their solutions. The system includes means for applying a reversing electric current of different duration for the current for the electric extraction and the dissolution. The system has means for conducting the process simultaneously in two groups of electrolytic baths, the electric current for dissolution for each group of electrolytic baths being provided by the electric current for electric extraction in the other group of electrolytic baths.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: August 8, 1978
    Assignee: Nipki po Tzvetna Metalurgia
    Inventors: Ivan D. Enchev, Elieser P. Ilel, Nikola T. Kunchev, Kiril G. Harizanov, Vladimir V. Genevski, Nedelcho D. Draganov, Alexander M. Alexandrov, Georgi A. Haralampiev, Todor I. Smilenov, Yossif G. Stoyanov