Inventor · disambiguated record
Sinisa Dobrijevic
Also filed as: DOBRIJEVIC SINISA
4 granted patents·1 pending application·82 citations·filing 2003–2011
74Inventor score
Technology areasE21B
Top patents by PatentIndex Score
5 records- 0175US6913096B1Top drive well drilling apparatusFiled 2003·Granted Jul 5, 2005·62 cites·8 claims
- 0270US7467659B2Tubing injector headNIELSEN SHAWN JAMES·Filed 2006·Granted Dec 23, 2008·17 cites·5 claims
- 0346US8381840B2Method of protecting a top drive drilling assembly and a top drive drilling assembly modified in accordance with this methodNIELSEN SHAWN JAMES·Filed 2009·Granted Feb 26, 2013·3 cites·4 claims
- 0432US2013232964A1Hybrid power systemNIELSEN SHAWN JAMES·Filed 2010·Application pending·0 cites
- 0529US9416603B2Tubing injector with built in redundancyNIELSEN SHAWN·Filed 2011·Granted Aug 16, 2016·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →