Patents by Inventor Grigory R. Kheifets

Grigory R. Kheifets 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).

  • Roll-forming machine for making articles having cross-sectional configurations varying lengthwise
    Patent number: 4558577
    Abstract: The roll-forming machine includes a series of roll-forming stands for shaping a flat workpiece into a desired configuration, a device for monitoring the positioning of the workpiece at the entry side of the roll-forming machine, and a control unit for sending signals to each roll-forming stand to effect transverse movement of the forming members according to a predetermined roll-forming pattern. The roll-forming stand may have either driven contoured rolls or nondriven forming rollers.
    Type: Grant
    Filed: January 4, 1983
    Date of Patent: December 17, 1985
    Assignee: Ukrainsky Nauchnoissledovatelsky Institut Metallov
    Inventors: Igor S. Trishevsky, Ivan E. Patseka, Eduard M. Temnikov, Alexandr G. Borisenko, Mark E. Doktorov, Grigory R. Kheifets, Vladimir V. Lanko, Sergei V. Miroshnichenko
  • Mill stand for forming discontinuous longitudinal deformations in sheet metal
    Patent number: 4295353
    Abstract: The mill stand comprises forming rolls, which have congruent forming elements, mounted on a stand frame member in such a way that one of the forming rolls is adapted for a vertical reverse motion. This forming roll is connected with a hydraulic cylinder provided with control means, interacting with a master device operatively connected with one of the forming rolls.
    Type: Grant
    Filed: September 24, 1979
    Date of Patent: October 20, 1981
    Inventors: Vyacheslav I. Anisimov, Evgeny G. Bulgakov, Vasily N. Gurin, Leonid V. Radjukevich, Igor S. Trishevsky, Oleg I. Trishevsky, Grigory R. Kheifets, Anatoly B. Jurchenko