Patents by Inventor Andrzej Kosek

Andrzej Kosek 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).

  • Electrohydraulic press drive system
    Patent number: 4026107
    Abstract: An electrohydraulic press drive system comprising a pressure transformer h variable ratio of displacement volume connected in series in a drive hydraulic circuit between a gas-hydraulic accumulator and a press cylinder. The pressure transformer consists of a hydraulic motor, which is connected mechanically with a hydraulic pump, the source of drive power of the pressure transformer being the gas-hydraulic accumulator.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: May 31, 1977
    Assignee: Osrodek Badawczo-Rozwojowy Przemyslu Budowy Urzaszen Chemicznych "Cebea"
    Inventors: Andrzej Kosek, Adam Grudzewski