Inventor · disambiguated record
Harri Sjoholm
Also filed as: SJOEHOLM HARRI · SJOHOLM HARRI
3 granted patents·20 citations·filing 1993–2013
60Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0143US10370954B2Method for surveying drill holes, drilling arrangement, and borehole survey assemblyROBIT OYJ·Filed 2013·Granted Aug 6, 2019·1 cites·26 claims
- 0232US5823274ADrill rodWINROCK TECH LTD OY·Filed 1995·Granted Oct 20, 1998·19 cites·7 claims
- 0321US5524717AMethod of using a pressurized medium in drillingFiled 1993·Granted Jun 11, 1996·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →