Inventor · disambiguated record

Per Helgerud

Also filed as: HELGERUD PER

2 granted patents·161 citations·filing 1993–2004

69Inventor score

Technology areasG01V

Files withGECO AS1 WESTERNGECO LLC1

Top patents by PatentIndex Score

2 records

0189US5548562AMethod for synchronization of systems for seismic surveys, together with applications of the methodGECO AS·Filed 1993·Granted Aug 20, 1996·136 cites·54 claims
0265US7658161B2System for depth control of a marine deflectorWESTERNGECO LLC·Filed 2004·Granted Feb 9, 2010·25 cites·57 claims

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