Patents by Inventor Roger Edwin Bartell

Roger Edwin Bartell 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).

  • Thermal processor
    Patent number: 4112280
    Abstract: Apparatus for heat processing sheet or web material includes a rotary drum and guide web of low friction coefficient and idler rollers which cooperate with the moving drum to effect feed of the material through the processing path.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: September 5, 1978
    Assignee: Eastman Kodak Company
    Inventors: Robert Charles Salsich, Roger Edwin Bartell
  • Web slack box having a plurality of sections
    Patent number: 3993233
    Abstract: A slack box for accumulating continuous web material having a plurality of vertically spaced sections separated by movable members. When the amount of web material in a selected one of the sections reaches a predetermined amount, the movable members, starting with the lowest, are sequentially moved from an operative position separating the slack box into sections to an inoperative position thereby allowing web material stored in an upward section to pass or dump into a lower section. After the web material in the uppermost section has been dumped into the adjacent lower section, a web feeding mechanism is actuated to feed a predetermined amount of web material into the uppermost section.
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: November 23, 1976
    Assignee: Eastman Kodak Company
    Inventor: Roger Edwin Bartell