Patents by Inventor John P. Donnellan

John P. Donnellan 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).

  • Process for drawing a web
    Patent number: 5395581
    Abstract: A process and apparatus for producing a web achieves relaxation of the web in the machine direction during and/or after heat-treating, by changing the shape of the side edge of the web in the longitudinal plane from a substantially non-linear zone to a substantially linear zone.
    Type: Grant
    Filed: June 24, 1993
    Date of Patent: March 7, 1995
    Assignee: Imperial Chemical Industries Plc.
    Inventors: Stephen J. Restorick, John P. Donnellan