Inventor · disambiguated record
Sigbjørn Sangesland
Also filed as: SANGESLAND SIGBJOERN · SANGESLAND SIGBJØRN
2 granted patents·1 pending application·104 citations·filing 1998–2014
67Inventor score
Top patents by PatentIndex Score
3 records- 0172US6454022B1Riser tube for use in great sea depth and method for drilling at such depthsPETROLEUM GEO SERVICES AS·Filed 1998·Granted Sep 24, 2002·88 cites·12 claims
- 0239US6571635B1Method and arrangement for inspection of buoyant objectsFiled 1999·Granted Jun 3, 2003·16 cites·16 claims
- 0339US2016138390A1Drilling Method and ApparatusNORWEGIAN UNIV SCI & TECH NTNU·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →