Patents by Inventor Otto Rotkerl

Otto Rotkerl 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).

  • Fabric spreader for circular knitting machine
    Patent number: 4014187
    Abstract: Fabric spreader for knitted goods on a circular knitting machine. The fabric spreader is provided with expanding wings which are pivotably and adjustably supported on a fabric spreader frame and are adjustably spring-loaded with respect to the force generated by the knitted goods being taken up.
    Type: Grant
    Filed: September 11, 1974
    Date of Patent: March 29, 1977
    Assignee: Vyzkumny a vyvojovy ustav Zavodu vseobecneho strojirenstvi
    Inventors: Rudolf Bandoch, Miroslav Marecek, Otto Rotkerl