Patents by Inventor Phillip E. Blanchfield

Phillip E. Blanchfield 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).

  • Suction pipe with quick disconnect cover
    Patent number: 3940308
    Abstract: A suction pipe for a paper machine having a tapered seat and a cover and an insert mounted in the seat to provide an air tight seal therewith. The insert and the cover being laterally removable from the seat after sufficient longitudinal travel of the cover to free the insert in the seat.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: February 24, 1976
    Assignee: Appleton Specialty Products Inc.
    Inventor: Phillip E. Blanchfield