Assignee

WINNACKER HELMUT

DE·2 granted patents·3 citations·filing 2008–2009

Technology mixE21B2 F03B2 F05B1 F16J1 H02K1 Y02B1

Top patents by PatentIndex Score

2 records

0157US8585349B2Turbine for driving a generator in a drill stringWINNACKER HELMUT·Filed 2009·Granted Nov 19, 2013·2 cites·12 claims
0254US8109721B2Bearing arrangement for a turbine rotor of a drill string turbineWINNACKER HELMUT·Filed 2008·Granted Feb 7, 2012·1 cites·10 claims

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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →