Patents by Inventor Hubert Svoboda

Hubert Svoboda 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 and apparatus for controlling pumps in looms with jet weft insertion
    Patent number: 3977443
    Abstract: The pistons of all pumps in a group which supply pressure liquid to respective jet weft inserting nozzles of a loom are left, after sucking the liquid, in a rest dwell by the action of counterpressure of the sucked-in liquid. Thereafter, at the proper time the delivering space of a chosen pump is connected to its respective nozzle. The rest dwell of the piston in said pump is renewed by its following forcing-down in its suction stroke with its delivery space closed.
    Type: Grant
    Filed: August 8, 1975
    Date of Patent: August 31, 1976
    Assignee: Elitex, Zavody textilniho strojirenstvi generalni reditalstvi
    Inventors: Stanislav Zahradnik, Hubert Svoboda, Karel Basek, Vladislav Ruta, Frantisek Koza