Patents by Inventor Mathew Sheffield

Mathew Sheffield 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).

  • CONTINUOUS WEB APPARATUS AND METHOD USING AN AIR TO VACUUM SEAL AND ACCUMULATOR
    Publication number: 20160190383
    Abstract: A deposition apparatus includes an input spool located in non-vacuum input module, at least one vacuum process module, an accumulator, and an air to vacuum sealing mechanism. The accumulator and the sealing mechanism are configured to continuously provide a web substrate from the input spool at atmosphere into the at least one process module at vacuum without stopping the web substrate.
    Type: Application
    Filed: March 3, 2016
    Publication date: June 30, 2016
    Inventors: Paul Shufflebotham, Robert Martinson, Heinrich von Bunau, Kevin Lynch, Mathew Sheffield
  • Continuous web apparatus and method using an air to vacuum seal and accumulator
    Patent number: 9303316
    Abstract: A deposition apparatus includes an input spool located in non-vacuum input module, at least one vacuum process module, an accumulator, and an air to vacuum sealing mechanism. The accumulator and the sealing mechanism are configured to continuously provide a web substrate from the input spool at atmosphere into the at least one process module at vacuum without stopping the web substrate.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: April 5, 2016
    Assignee: APOLLO PRECISION KUNMING YUANHONG LIMITED
    Inventors: Paul Shufflebotham, Robert Martinson, Heinrich von Bunau, Kevin Lynch, Mathew Sheffield