Patents by Inventor Gennady Y. Krekker

Gennady Y. Krekker 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 of rock breakage by blasting
    Patent number: 4864933
    Abstract: The method of breaking rock by blasting comprises drilling of boreholes, loading of a blasting charge with a means of initiation therein and stemming. The stemming is made up of a phlegmatized low-velocity explosive.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: September 12, 1989
    Assignee: Institut Gornogo Dela Imeni A.A. Skochinskogo
    Inventors: Nikolai F. Kusov, Valentin I. Pshenichny, Revaz A. Chakvetadze, Gennady Y. Krekker