Patents by Inventor Allan James Skellett

Allan James Skellett 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).

  • Patent number: 10771901
    Abstract: A loudspeaker driver surround 2 comprises a flexible, generally annular element having a central axis 8 along which in use a diaphragm is driven, an outer edge 6 for fitment to an enclosure and an inner edge 4 for fitment to the diaphragm, with a roll surface which extends between the edges and which projects in the direction of the axis, wherein the roll surface has a shape formed by a plurality of axial corrugations 10 extending generally radially with respect to the annular element between the outer and inner edges thereof, the corrugations being shaped and configured such that the roll surface is non-axisymmetric about the axis, and the arrangement being such that cross-sections of the roll surface which extend radially with respect to the annular element between the outer and inner edges thereof have a substantially constant length at all circumferential positions around the annular element and so that the shape of the said cross-section varies continuously between circumferential positions around the an
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: September 8, 2020
    Assignee: GP Acoustics (UK) Limited
    Inventors: Allan James Skellett, Jack Anthony Oclee-Brown
  • Publication number: 20180242086
    Abstract: A loudspeaker driver surround 2 comprises a flexible, generally annular element having a central axis 8 along which in use a diaphragm is driven, an outer edge 6 for fitment to an enclosure and an inner edge 4 for fitment to the diaphragm, with a roll surface which extends between the edges and which projects in the direction of the axis, wherein the roll surface has a shape formed by a plurality of axial corrugations 10 extending generally radially with respect to the annular element between the outer and inner edges thereof, the corrugations being shaped and configured such that the roll surface is non-axisymmetric about the axis, and the arrangement being such that cross-sections of the roll surface which extend radially with respect to the annular element between the outer and inner edges thereof have a substantially constant length at all circumferential positions around the annular element and so that the shape of the said cross-section varies continuously between circumferential positions around the an
    Type: Application
    Filed: February 22, 2018
    Publication date: August 23, 2018
    Inventors: Allan James Skellett, Jack Anthony Oclee-Brown