Inventor · disambiguated record
Stefan L. Helwig
Also filed as: HELWIG STEFAN L
11 granted patents·1 pending application·106 citations·filing 2007–2017
88Inventor score
Top patents by PatentIndex Score
12 records- 0196US7705599B2Buoy-based marine electromagnetic signal acquisition systemKJT ENTPR INC·Filed 2007·Granted Apr 27, 2010·72 cites·21 claims
- 0287US7800374B2Multi-component marine electromagnetic signal acquisition cable and systemKJT ENTPR INC·Filed 2010·Granted Sep 21, 2010·7 cites·28 claims
- 0366US7872477B2Multi-component marine electromagnetic signal acquisition cable and systemKJT ENTPR INC·Filed 2007·Granted Jan 18, 2011·6 cites·27 claims
- 0464US8026723B2Multi-component marine electromagnetic signal acquisition methodKJT ENTPR INC·Filed 2009·Granted Sep 27, 2011·7 cites·8 claims
- 0564US7746077B2Method for measuring the magnetotelluric response to the earth's subsurfaceKJT ENTPR INC·Filed 2007·Granted Jun 29, 2010·5 cites·5 claims
- 0662US8890532B2Method for determining an electric field response of the earth's subsurfaceSTRACK KURT M·Filed 2012·Granted Nov 18, 2014·1 cites·4 claims
- 0761US8154295B2Method for determining electric field response to an electromagnetic field induced in the Earth's subsurfaceSTRACK KURT M·Filed 2010·Granted Apr 10, 2012·1 cites·6 claims
- 0857US8134369B2Method of testing electric field recording of a marine electromagnetic sensor cableHELWIG STEFAN L·Filed 2009·Granted Mar 13, 2012·4 cites·8 claims
- 0952US8148990B2Marine electromagnetic acquisition apparatus with foldable sensor arm assemblyHELWIG STEFAN L·Filed 2009·Granted Apr 3, 2012·3 cites·15 claims
- 1048US8810248B2Method of testing electric field recording of a marine electromagnetic sensor cableHELWIG STEFAN L·Filed 2012·Granted Aug 19, 2014·0 cites·9 claims
- 1138US2009265111A1Signal processing method for marine electromagnetic signalsKJT ENTPR INC·Filed 2008·Application pending·0 cites
- 1233US11163085B2Apparatus for orienting an electromagnetic field sensor, and related receiver unit and methodADVANCED HYDROCARBON MAPPING AS·Filed 2017·Granted Nov 2, 2021·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →