Patents by Inventor Siebren Schaafsma

Siebren Schaafsma 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).

  • Arrangements and methods for secure data transmission
    Publication number: 20050149743
    Abstract: A sender (10) arranged to transmit a content file (11) to a receiver (40) where in said sender (10) is arranged to divide said content file (11) in a firs part (22) and a second part (15), to send said first data part (22) to said receiver (40), to encrypt said second part (15), to render an encrypted part and, then, send said encrypted part to said receiver (40).
    Type: Application
    Filed: April 4, 2002
    Publication date: July 7, 2005
    Inventor: Siebren Schaafsma