Patents by Inventor Ian Duncan Bramhill

Ian Duncan Bramhill 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).

  • Copy protection of data
    Patent number: 7366701
    Abstract: A copyright protection scheme downloads data from a server, typically over the World Wide Web to a client for presentation to a user. The downloaded data is cryptographically protected, by encryption and hashing. When displayed by the client, storing and copying functions are selectively disabled in respect of the data, in order to prevent unauthorized copying.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: April 29, 2008
    Assignee: British Telecommunications public limited company
    Inventors: Ian Duncan Bramhill, Matthew Robert Charles Sims
  • Copy protection of data
    Patent number: 7079649
    Abstract: A copyright protection scheme downloads data from a server, typically over the World Wide Web to a client for presentation to a user. The downloaded data is cryptographically protected, by encryption and hashing. When displayed by the client, storing and copying functions are selectively disabled in respect of the data, in order to prevent unauthorized copying.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: July 18, 2006
    Assignee: British Telecommunications public limited company
    Inventors: Ian Duncan Bramhill, Matthew Robert Charles Sims
  • Copy protection of data
    Publication number: 20030195856
    Abstract: A copyright protection scheme is provided in which data is downloaded from a server 1, typically over the World Wide Web 2 to a client 3, for presentation to a user. The downloaded data is cryptographically protected, by encryption and hashing. When displayed by the client, storing and copying functions are selectively disabled in respect of the data, in order to to prevent unauthorised copying.
    Type: Application
    Filed: May 12, 2003
    Publication date: October 16, 2003
    Inventors: Ian Duncan Bramhill, Matthew Robert Charles Sims