Patents by Inventor Richard Leigh Barber

Richard Leigh Barber 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).

  • Method and an apparatus for perforating polymeric film
    Patent number: 8833216
    Abstract: A tool for perforating a polymeric film is disclosed having a support substrate and at least one projection extending from the substrate. The projection is multi-sided with side walls that have straight sides that are tapered upwardly and inwardly from the support substrate at an angle theta (?) that is at least 5°. The angle is measured in relation to imaginary lines extending perpendicularly to the substrate at the locations at which the side walls contact the substrate.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: September 16, 2014
    Assignee: Amcor Limited
    Inventors: David Lee Carew, Erol Craig Harvey, Jasson Lindsay Mills, Ramon Glenny Waycott, Richard Leigh Barber, William Howard Barling
  • METHOD AND AN APPARATUS FOR PERFORATING POLYMERIC FILM
    Publication number: 20110030528
    Abstract: A tool for perforating a polymeric film is disclosed. The tool comprises a support substrate and at least one projection (3) extending from the substrate. The projection is multi-sided with side walls that have straight sides that are tapered upwardly and inwardly from the support substrate at an angle theta (?) that is at least 5°. The angle is measured in relation to imaginary lines extending perpendicularly to the substrate at the locations at which the side walls contact the substrate.
    Type: Application
    Filed: August 10, 2009
    Publication date: February 10, 2011
    Applicant: AMCOR LIMITED
    Inventors: David Lee CAREW, Erol Craig Harvey, Jasson Lindsay Mills, Ramon Glenny Waycott, Richard Leigh Barber, William Howard Barling