Patents by Inventor Gunnar Prytz

Gunnar Prytz 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).

  • PROCESS CONTROL SYSTEM
    Publication number: 20130031360
    Abstract: A process control system is disclosed which can include a plurality of spatially distributed, internetworked network subscribers with secure communication between the network subscribers via a communication network. Communication integrity can be based on an interchange of certificates. In order to protect the communication integrity, the process control system can include a central certification point which is an integral part of the process control system and allocates and distributes certificates.
    Type: Application
    Filed: July 19, 2012
    Publication date: January 31, 2013
    Applicant: ABB Technology AG
    Inventors: Gerd DEWITZ, Gunnar Prytz, Michael Gienke, Ragnar Schierholz, Stefan Bollmeyer, Thomas Pauly