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Christian Wietfeld
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Dortmund, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Method for monitoring airspace
Patent number
10,325,506
Issue date
Jun 18, 2019
Technische Universitat Dortmund
Niklas Goddemeier
G08 - SIGNALLING
Information
Patent Grant
Method for ensuring functional reliability in electromobility by me...
Patent number
10,017,067
Issue date
Jul 10, 2018
Technische Universitat Dortmund
Sven Gröning
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Access method and communication system for accessing a protected co...
Patent number
9,374,378
Issue date
Jun 21, 2016
TECHNISCHE UNIVERSITÄT DORTMUND
Christian Wietfeld
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Approach warning system and method for detecting the approach of mo...
Patent number
9,035,759
Issue date
May 19, 2015
Technische Universitaet Dortmund
Christian Wietfeld
G08 - SIGNALLING
Information
Patent Grant
Method for detecting and warning against wrong-way drivers, and wro...
Patent number
8,917,188
Issue date
Dec 23, 2014
Wilhelm Schroeder GmbH
Christian Wietfeld
G08 - SIGNALLING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MONITORING AIRSPACE
Publication number
20170025023
Publication date
Jan 26, 2017
Technische Universität Dortmund
NIKLAS GODDEMEIER
G08 - SIGNALLING
Information
Patent Application
METHOD FOR ENSURING FUNCTIONAL RELIABILITY IN ELECTROMOBILITY BY ME...
Publication number
20160052416
Publication date
Feb 25, 2016
Christian Wietfeld
B60 - VEHICLES IN GENERAL
Information
Patent Application
COMPUTER IMPLEMENTED METHOD FOR HYBRID SIMULATION OF POWER DISTRIBU...
Publication number
20150286759
Publication date
Oct 8, 2015
TECHNISCHE UNIVERSITAET DORTMUND
Christian Rehtanz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ACCESS METHOD AND COMMUNICATION SYSTEM FOR ACCESSING A PROTECTED CO...
Publication number
20140282953
Publication date
Sep 18, 2014
Technische Universität Dortmund
Christian Wietfeld
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPROACH WARNING SYSTEM AND METHOD FOR DETECTING THE APPROACH OF MO...
Publication number
20130176144
Publication date
Jul 11, 2013
TECHNISCHE UNIVERSITAET DORTMUND
Christian Wietfeld
G08 - SIGNALLING
Information
Patent Application
METHOD FOR DETECTING AND WARNING AGAINST WRONG-WAY DRIVERS, AND WRO...
Publication number
20130147639
Publication date
Jun 13, 2013
TECHNISCHE UNIVERSITAET DORTMUND
Christian Wietfeld
G08 - SIGNALLING