Patents by Inventor Christopher Withnall

Christopher Withnall 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).

  • Publication number: 20110167542
    Abstract: There is provided a safety helmet with a helmet fitting and impact attenuation system. The system comprises a semi-rigid space frame attachable to the safety helmet and a headband, releasably attachable to one or more arms of the space frame. The space frame and headband accommodate the use of an impact attenuation liner mounted between the space frame and the helmet shell. The helmet fitting and impact attenuation system also may be used to update and retrofit existing helmet shells.
    Type: Application
    Filed: December 17, 2008
    Publication date: July 14, 2011
    Applicant: Biokinetics and Associates Ltd.
    Inventors: Timothy Douglas Bayne, Edmund Fournier, Nicholas Shewchenko, Christopher Withnall
  • Publication number: 20070192944
    Abstract: The present invention provides a sports helmet, such as a football, hockey, lacrosse or baseball helmet. The helmet includes a shell having an outer surface, a front region, a rear region, and two side regions. A jaw flap extends from each ear flap towards the front region of the shell, wherein the jaw flap overlies an extent of a mandible of a wearer of the helmet. A crown, defined by a raised band of the shell, extends between the front and rear regions of the shell. The crown has a front portion that is flush with the outer surface at the front region of the shell, and an intermediate portion raised from the outer surface of the side regions of the shell. The crown also has a rear portion that is flush with the outer surface at the rear region of the shell. The width of the crown increases from the front portion to the rear portion. The helmet shell includes at least one vent opening, which may be located in the crown or proximate thereto.
    Type: Application
    Filed: January 10, 2007
    Publication date: August 23, 2007
    Inventors: Thad Ide, Ralph Infusino, Nelson Kraemer, Christopher Withnall, Timothy Bayne
  • Publication number: 20050278835
    Abstract: The present invention provides a sports helmet, such as a football, hockey, lacrosse or baseball helmet. The helmet includes a shell having an outer surface, a front region, a rear region, and two side regions. A jaw flap extends from each ear flap towards the front region of the shell, wherein the jaw flap overlies an extent of a mandible of a wearer of the helmet. A crown, defined by a raised band of the shell, extends between the front and rear regions of the shell. The crown has a front portion that is flush with the outer surface at the front region of the shell, and an intermediate portion raised from the outer surface of the side regions of the shell. The crown also has a rear portion that is flush with the outer surface at the rear region of the shell. The width of the crown increases from the front portion to the rear portion. The helmet shell includes at least one vent opening, which may be located in the crown or proximate thereto.
    Type: Application
    Filed: August 18, 2005
    Publication date: December 22, 2005
    Inventors: Thad Ide, Ralph Infusino, Nelson Kraemer, Christopher Withnall, Timothy Bayne