Patents by Inventor Juraj Cervenka

Juraj Cervenka 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).

  • Tube bending device
    Patent number: 4254649
    Abstract: The invention relates to a tube bending device, especially for thin walled tubes made from austenitic materials, e.g., for power engineering. The device consists of a pressure truck, adjustable gear, inductor heating coil, cooling section and a bending arm. The tube to be bent is positioned with one end on the pressure truck, and the second end fixed to the bending arm, and is freely placed in the inductor gear and axially moved in the inductor gear on guide rollers of an adjustable gear.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: March 10, 1981
    Assignee: Prvni brnenska strojirna, narodni podnik
    Inventors: Juraj Cervenka, Jan Psenica, Miroslav Horak, Jiri Horak
  • Additional device for an automatic welding equipment for fully welded tube walls
    Patent number: 3964665
    Abstract: Apparatus for automatically welding pipe comprising a cross member positioned between first and second draw rolls, said guide is mounted on said cross member along with adjustable supports containing profile rolls for urging together pipes to be welded.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: June 22, 1976
    Assignee: Prvni Brnenska strojirna
    Inventors: Juraj Cervenka, Jaroslav Olesovsky