Inventor · disambiguated record
Espen Alhaug
Also filed as: ALHAUG ESPEN
10 granted patents·20 citations·filing 2010–2023
82Inventor score
Top patents by PatentIndex Score
10 records- 0177US11236551B2Wired pipe and method for makingREELWELL A S·Filed 2018·Granted Feb 1, 2022·3 cites·33 claims
- 0277US8777273B2Structure for a nested dual drill pipe jointSYSE HARALD·Filed 2012·Granted Jul 15, 2014·7 cites·19 claims
- 0373US8770628B2Seal assembly for nested dual drill pipeALHAUG ESPEN·Filed 2012·Granted Jul 8, 2014·5 cites·16 claims
- 0461US8833489B2Method and system for transferring signals through a drill pipe systemHOGSET TORE·Filed 2010·Granted Sep 16, 2014·5 cites·13 claims
- 0546US12366122B2Well completion pipe having fluid isolated conductive pathREELWELL AS·Filed 2023·Granted Jul 22, 2025·0 cites·35 claims
- 0644US12312873B2Wired pipe and method for makingREELWELL AS·Filed 2021·Granted May 27, 2025·0 cites·16 claims
- 0740US11525531B2Seal and insulator for pipe having an insulated electrical conductorREELWELL A S·Filed 2020·Granted Dec 13, 2022·0 cites·10 claims
- 0835US9267344B2Actuator for dual drill string valve and drill string valve configurations thereforeALHAUG ESPEN·Filed 2012·Granted Feb 23, 2016·0 cites·11 claims
- 0935US9169715B2Down hole well tool provided with a pistonALHAUG ESPEN·Filed 2010·Granted Oct 27, 2015·0 cites·5 claims
- 1035US8997871B2Actuator for dual drill string valve and rotary drill string valve configuration thereforALHAUG ESPEN·Filed 2012·Granted Apr 7, 2015·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →