Patents Assigned to Delivery Works Limited
  • Patent number: 8358195
    Abstract: A delivery system uses secure containers each equipped with means such as a keypad (8) or barcode reader (10) to input a single use delivery key. The delivery key is generated by an external code generator that produces pseudo noise codes. A generator (20) that produces the same sequence is provided in the lock and synchronization between the two generators is provided by the delivered items.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: January 22, 2013
    Assignee: Delivery Works Limited
    Inventor: Terence Giles
  • Publication number: 20090101711
    Abstract: A secure container (2) has a combination lock (6) that is always operable in response to at least one master key and is also operable on a single occasion in response to a transaction-unique delivery key generated from the master key. The lock (6) also contains processor means (20) for comparing or decoding the delivery key, means (10, 20, 26) for releasing the lock in response to a valid delivery key, and storage means (22) for identifying used delivery keys.
    Type: Application
    Filed: April 12, 2006
    Publication date: April 23, 2009
    Applicant: Delivery Works Limited
    Inventor: Robert Grayson