Patents by Inventor Helmut Kulzer

Helmut Kulzer 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).

  • Telecommunications system with a switching facility and a data concentrator for providing access to the internet
    Patent number: 6687258
    Abstract: A method of operating a telecommunications system with a switching facility and with subscriber channels over which digital data are transmissible in the form of data packets each including a destination address, and such a telecommunications system are characterized in that the data packets of two or more subscriber channels to be sent to the Internet are combined onto a single concentrating channel.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: February 3, 2004
    Assignee: Alcatel
    Inventors: Karl Rothenhöfer, Günther König, Helmut Kulzer
  • Telecommunications system with a switching facility and a data concentrator for providing access to the internet
    Patent number: RE42069
    Abstract: A method of operating a telecommunications system with a switching facility and with subscriber channels over which digital data are transmissible in the form of data packets each including a destination address, and such a telecommunications system are characterized in that the data packets of two or more subscriber channels to be sent to the Internet are combined onto a single concentrating channel.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: January 25, 2011
    Assignee: Naxos Data LLC
    Inventors: Karl Rothenhofer, Gunther Konig, Helmut Kulzer