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FRIES STEFFEN

DE7 patents

Top patents by PatentIndex Score

US9398049B2Jul 19, 2016

Method and device for securely transmitting data

FRIES STEFFEN14 citations78
US9235204B2Jan 12, 2016

Method for establishing a secure connection from a service technician to a component of an automation environment that can be remotely diagnosed and/or maintained and is experiencing failure

FRIES STEFFEN3 citations69
US8195958B2Jun 5, 2012

Security module for encrypting a telephone conversation

FRIES STEFFEN2 citations62
US8621232B2Dec 31, 2013

Method for producing, allocating and checking authorization approvals

FRIES STEFFEN1 citations44
US11736301B2Aug 22, 2023

Method, system, transmitter, and receiver for authenticating a transmitter

FRIES STEFFEN0 citations42
US8560844B2Oct 15, 2013

Method and transmitting device for securely creating and sending an electronic message and method and receiving device for securely receiving and processing an electronic message

FRIES STEFFEN1 citations42
US10067486B2Sep 4, 2018

System and method for providing a control program code

FRIES STEFFEN0 citations38