Patents by Inventor Peter John Jefferies

Peter John Jefferies 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).

  • Printing screens, frames therefor and printing screen units
    Patent number: 8342089
    Abstract: A printing screen unit (110), comprising: a printing screen (112), comprising a sheet, at least sections of at least one pair of opposite edges of which include one of engagement apertures (124) or engagement projections; and a supporting frame (114) including at least one pair of interface units (116, 117) which are attached to the at least one pair of opposite edges of the printing screen (112), wherein the interface units (116, 117) each comprise at least one coupling element (130) which includes the other of engagement apertures or engagement projections (158) for inter-engaging with the one of engagement apertures (124) or engagement projections at a respective one of the opposite edges of the printing screen (112), and an interface member (126) which includes a coupling slot (142) for captively receiving the at least one coupling element (130) therein.
    Type: Grant
    Filed: February 6, 2007
    Date of Patent: January 1, 2013
    Assignee: DEK International GmbH
    Inventors: Paul Lionel Cane, Peter John Jefferies, Terry Andrew Smith, Anthony Michael Weldon
  • PRINTING SCREENS, FRAMES THEREFOR AND PRINTING SCREEN UNITS
    Publication number: 20090217831
    Abstract: A printing screen unit (110), comprising: a printing screen (112), comprising a sheet, at least sections of at least one pair of opposite edges of which include one of engagement apertures (124) or engagement projections; and a supporting frame (114) including at least one pair of interface units (116, 117) which are attached to the at least one pair of opposite edges of the printing screen (112), wherein the interface units (116, 117) each comprise at least one coupling element (130) which includes the other of engagement apertures or engagement projections (158) for inter-engaging with the one of engagement apertures (124) or engagement projections at a respective one of the opposite edges of the printing screen (112), and an interface member (126) which includes a coupling slot (142) for captively receiving the at least one coupling element (130) therein.
    Type: Application
    Filed: February 6, 2007
    Publication date: September 3, 2009
    Inventors: Paul Lionel Cane, Peter John Jefferies, Terry Andrew Smith, Anthony Michael Weldon