Patents by Inventor Ljudmila P. Lukash

Ljudmila P. Lukash 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 apparatus for breaking reinforced concrete piles and for exposing reinforcing bars
    Patent number: 4979489
    Abstract: A method is characterized by clamping a pile above and below a break-off line with simultaneous undercutting of the pile along the break-off line.An apparatus for carrying out the method has an upper power frame (1) and a lower power frame (3) positioned one above the other and connected to each other by means of hydraulic breaking cylinders (2). The power frames (1, 3) are made up of blocks (6, 11) defining a closed figure and pivotally connected to one another by means of hydraulic clamping cylinders (7, 13). The axes of the hydraulic cylinders (7, 13) run perpendicularly with respect to the longitudinal axis of the pile.
    Type: Grant
    Filed: August 2, 1989
    Date of Patent: December 25, 1990
    Inventors: Pulat A. Abbasov, Valentin E. Abramov, Dmitry A. Trifonov-Yakovlev, Lev V. Erofeev, Gennady S. Kuritsyn, Alexandr P. Borodachev, Viktor V. Matvienko, Jury V. Dmitr Evich, Ljudmila P. Lukash, Alexandr S. Petrashen, Valery B. Petrov