Patents by Inventor Evgeny N. Yakovlev

Evgeny N. Yakovlev 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).

  • Microcrystalline monolithic carbon material
    Patent number: 4196181
    Abstract: A material consisting of grains varying in size from 0.1 to a few microns intergrown so as to form regular aggregates. The geometric shape of the material is preset by a pattern made from a carbon-bearing non-diamond material and corresponds to the shape of the required finished article. The material can be made in any desired number of identical shapes.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: April 1, 1980
    Inventors: Leonid F. Vereschagin, Evgeny N. Yakovlev, Vladislav N. Slesarev, Vasily A. Stepanov, Alexandr Y. Preobrazhensky, Tatyana D. Varfolomeeva, Ljudmila E. Shterenberg