Assignee

HUMMES OLOF

DE·4 granted patents·17 citations·filing 2009–2012

Technology mixE21B4

Top patents by PatentIndex Score

4 records

0178US8602127B2High temperature drilling motor drive with cycloidal speed reducerHUMMES OLOF·Filed 2010·Granted Dec 10, 2013·8 cites·13 claims
0276US9273522B2Steering head with integrated drilling dynamics controlHUMMES OLOF·Filed 2012·Granted Mar 1, 2016·6 cites·18 claims
0350US8408304B2Pump mechanism for cooling of rotary bearings in drilling tools and method of use thereofHUMMES OLOF·Filed 2009·Granted Apr 2, 2013·3 cites·17 claims
0442US9151140B2Downhole tools with electro-mechanical and electro-hydraulic drivesHUMMES OLOF·Filed 2010·Granted Oct 6, 2015·0 cites·21 claims

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