Assignee
WIERCIGROCH MARIAN
GB·3 granted patents·4 citations·filing 2010–2011
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0165US9068400B2Resonance enhanced rotary drillingWIERCIGROCH MARIAN·Filed 2010·Granted Jun 30, 2015·4 cites·34 claims
- 0243US9587443B2Resonance enhanced rotary drilling moduleWIERCIGROCH MARIAN·Filed 2011·Granted Mar 7, 2017·0 cites·23 claims
- 0342US9725965B2Vibration transmission and isolationWIERCIGROCH MARIAN·Filed 2011·Granted Aug 8, 2017·0 cites·28 claims
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