Patents by Inventor Jiri Prokes

Jiri Prokes 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).

  • Rolling machine with quick change working rolls
    Patent number: 5069054
    Abstract: The rolls of a rolling mill have working rolls which may be quickly changed, with the associated tools. The rolling machine has an angular trunnion, at least on one end of the working roll, supported in a divided clamping part of a driving shaft having a mating fixture. The other end of the working roll may have a circular trunnion or a non-circular trunnion removably supported by a guiding and supporting shaft.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: December 3, 1991
    Assignee: Form
    Inventors: Vaclav Hladky, Jiri Prokes