Patents by Inventor Colin Ball

Colin Ball 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 apparatus for manufacturing contact lens moulds
    Patent number: 10406768
    Abstract: A collet (230) for holding a contact lens mold half (240) during machining of a surface of the mold half (240) having a disc (235) having a face and defining: a central structure (250a), at the center of the face, for receiving a head portion (240a) of the mold half (240), and an elongate recess (250b), in the face, for receiving a tail portion (240b) of the mold half (240), the elongate recess (250b) extending from the central structure (250a) along a radius of the disc (235).
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: September 10, 2019
    Assignee: CooperVision International Holding Company, LP
    Inventors: Gregg A. Dean, Colin Ball
  • Method And Apparatus For Manufacturing Contact Lens Moulds
    Publication number: 20180169980
    Abstract: A collet (230) for holding a contact lens mold half (240) during machining of a surface of the mold half (240) comprises a disc (235) having a face and defining: a central structure (250a), at the centre of the face, for receiving a head portion (240a) of the mold half (240), and an elongate recess (250b), in the face, for receiving a tail portion (240b) of the mold half (240), the elongate recess (250b) extending from the central structure (250a) along a radius of the disc (235).
    Type: Application
    Filed: August 25, 2016
    Publication date: June 21, 2018
    Applicant: CooperVision International Holding Company, LP
    Inventors: Gregg A. Dean, Colin Ball