Patents by Inventor Karl Stewart

Karl Stewart 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: 20070244731
    Abstract: Provided herein are systems and methods for allowing mobile users to join a virtual line or queue for high demand tickets to an event. In an embodiment, users pay a small fee to join the virtual line or queue. After the users join the virtual line, the tickets to the event are allocated to the users in the virtual line based on an allocation policy set by the ticket distributor. After the allocation has been made, the users are notified of the allocation decision and each user that has been allocated a ticket is given an opportunity to purchase the ticket, e.g., within a purchase fulfillment period. In an embodiment, a user may purchase virtual tickets to join the virtual line or queue using his/her mobile phone/handset. In this embodiment, the user may be charged through his/her mobile carrier for the purchase of a virtual ticket.
    Type: Application
    Filed: April 3, 2007
    Publication date: October 18, 2007
    Inventors: William Barhydt, Sanjeev Bhalla, Julian Hardy, Karl Stewart
  • Patent number: 5956842
    Abstract: An apparatus for breaking the anode butt (15) and stripping the thimbles (13) from the yoke stubs (12) of an anode. The apparatus includes a support frame (20), a fixed plate assembly (21) secured to the supporting frame (20) and a ram assembly (22) extendible towards the fixed plate assembly (21). The fixed plate assembly (21) comprises a substantially rigid fixed plate (23) having recesses (24a) to receive the yoke (11) and yoke stubs (12). The recesses (24a) are shaped such that the thimbles (13) on the yoke stubs (12) of the anode butt (15) abut against the fixed plate assembly (21) during the extension of the ram assembly (22) to contact and break the anode butt. The fixed plate assembly (21) may be provided with a stub locating mechanism which locates the stubs in position and abuts against the thimbles (13) on the stubs (12) during the extension of the ram assembly (22). The stub locating mechanism also abuts against and is supported by the substantially rigid fixed plate (23).
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: September 28, 1999
    Assignee: Comalco Aluminium Limited
    Inventor: Karl Stewart