Patents by Inventor Donald R. Christie

Donald R. Christie 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).

  • Papermakers belt
    Patent number: 4151323
    Abstract: Generally, this invention relates to multilayered belts for use in a papermaking machine which comprise a fibrous base layer the fibers of which are resin encapsulated, and a substantially resin-free fibrous surface layer in which the portions of the fibers which contact the fibers of the base layer are also substantially entirely encapsulated with resin. The invention includes within its scope a method of manufacturing such a belt.
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: April 24, 1979
    Assignee: Huyck Corporation
    Inventor: Donald R. Christie