Inventor · disambiguated record
Christian Wietfeld
Also filed as: WIETFELD CHRISTIAN
5 granted patents·4 pending applications·17 citations·filing 2003–2023
73Inventor score
Top patents by PatentIndex Score
9 records- 0174US10325506B2Method for monitoring airspaceUNIV DORTMUND TECH·Filed 2015·Granted Jun 18, 2019·8 cites·8 claims
- 0266US8917188B2Method for detecting and warning against wrong-way drivers, and wrong-way driver reporting and warning systemWIETFELD CHRISTIAN·Filed 2011·Granted Dec 23, 2014·6 cites·14 claims
- 0351US9374378B2Access method and communication system for accessing a protected communication serviceWIETFELD CHRISTIAN·Filed 2011·Granted Jun 21, 2016·1 cites·13 claims
- 0449US9035759B2Approach warning system and method for detecting the approach of moving objectsWIETFELD CHRISTIAN·Filed 2011·Granted May 19, 2015·2 cites·16 claims
- 0548US2025105526A1Passive reflector for reflecting a radio signalUNIV DORTMUND TECH·Filed 2023·Application pending·0 cites
- 0641US2005091370A1Method for monitoring data transmissionsSIEMENS AG·Filed 2004·Application pending·0 cites
- 0740US2004133681A1Method for creating or changing subscriber-related entries in a databaseSIEMENS AG·Filed 2003·Application pending·0 cites
- 0839US2015286759A1Computer implemented method for hybrid simulation of power distribution network and associated communication network for real time applicationsUNIV DORTMUND TECH·Filed 2013·Application pending·0 cites
- 0920US10017067B2Method for ensuring functional reliability in electromobility by means of digital certificatesGROENING SVEN·Filed 2012·Granted Jul 10, 2018·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →