Patents by Inventor Ian G. Lang

Ian G. Lang 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).

  • Curl and profile correction with high velocity hoods
    Patent number: 6094838
    Abstract: A method and apparatus for correcting the curl in drying and dried paper is presented wherein high velocity hoods are used in combination with drying cylinders. In addition, the use of impingement drying hoods provide a means to correct for variations in the moisture profile of the paper. High velocity hoods can be located in the drying section of a paper machine to compensate for uneven drying by paper cylinders.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: August 1, 2000
    Assignee: Asea Brown Boveri Inc.
    Inventor: Ian G. Lang