Patents by Inventor Philip John Ewen

Philip John Ewen 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).

  • Flow control in a washing and centrifugal drying system
    Patent number: 7874081
    Abstract: A method of filling a drying system 24 with product comprises providing a washing unit 22, and a drier or driers 26a, 26b arranged such that one at a time the driers 26a, 26b receive product 48 discharged from the output of the washing unit 22. The washing unit 22 is configured to receive product 48 which is continuously weighed 104 as it is delivered to the washing unit. The product is washed in the washing unit 22 by being passed through the washing unit at a substantially constant speed, allowing the arrival time at the drier 26a, 26b to be predicted. The weight of product loaded into the drier is regulated by controlling the flow of product into the drier.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: January 25, 2011
    Assignee: Key Technology, Inc.
    Inventor: Philip John Ewen