Patents by Inventor Ronald C. E. Cooper

Ronald C. E. Cooper 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).

  • Web treatment apparatus
    Patent number: 4416426
    Abstract: A rotatable turret with four driven mandrels is described which can be indexed to four positions, a roll load/unload position, a prejoin position, a roll unwind position and a roll rewind position.By use of this turret three rolls of web material can be coated and dried on each side, each roll having to be loaded and unloaded from the coating machine only once.
    Type: Grant
    Filed: July 23, 1981
    Date of Patent: November 22, 1983
    Assignee: Ciba-Geigy AG
    Inventor: Ronald C. E. Cooper