Patents by Inventor David Pevton Cox

David Pevton Cox 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: 6820146
    Abstract: A filter driver code arrangement (on a computer-readable medium for use in a system having a bus, a host connected to the bus and one or more devices connected to the bus), which prevents access by the host to any of the devices for which the host does not have respective access permission. Such a filter driver includes: an intercept code portion to intercept a set of data identifying one or more devices connected to the bus, respectively; a determination code portion to determine, based upon the data set and a permission set representing permission relationships between the host and the one or more devices, whether the host has permission to access each of the one or more devices; and a change code portion to change the data set to block access by the host to any of the one or more devices for which the host does not have access permission.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: November 16, 2004
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: David Pevton Cox
  • Publication number: 20040064604
    Abstract: A filter driver code arrangement (on a computer-readable medium for use in a system having a bus, a host connected to the bus and one or more devices connected to the bus), which prevents access by the host to any of the devices for which the host does not have respective access permission. Such a filter driver includes: an intercept code portion to intercept a set of data identifying one or more devices connected to the bus, respectively; a determination code portion to determine, based upon the data set and a permission set representing permission relationships between the host and the one or more devices, whether the host has permission to access each of the one or more devices; and a change code portion to change the data set to block access by the host to any of the one or more devices for which the host does not have access permission.
    Type: Application
    Filed: October 1, 2002
    Publication date: April 1, 2004
    Inventor: David Pevton Cox