Inventor · disambiguated record
Mark P. Blackman
Also filed as: BLACKMAN MARK P · BLACKMAN MARK PHILLIP
7 granted patents·1 pending application·37 citations·filing 2008–2019
82Inventor score
Technology areasE21B
Files withBAKER HUGHES INC3ZAHRADNIK ANTON F2BAKER HUGHES HOLDINGS LLC1NGUYEN DON Q1PESSIER RUDOLF CARL1
Top patents by PatentIndex Score
8 records- 0181US8678111B2Hybrid drill bit and design methodZAHRADNIK ANTON F·Filed 2008·Granted Mar 25, 2014·18 cites·46 claims
- 0270US9670736B2Hybrid drill bitBAKER HUGHES INC·Filed 2013·Granted Jun 6, 2017·3 cites·22 claims
- 0366US8978786B2System and method for adjusting roller cone profile on hybrid bitNGUYEN DON Q·Filed 2010·Granted Mar 17, 2015·4 cites·18 claims
- 0466US8459378B2Hybrid drill bitZAHRADNIK ANTON F·Filed 2009·Granted Jun 11, 2013·8 cites·27 claims
- 0562US10871036B2Hybrid drill bit and design methodBAKER HUGHES HOLDINGS LLC·Filed 2019·Granted Dec 22, 2020·0 cites·16 claims
- 0661US10316589B2Hybrid drill bit and design methodBAKER HUGHES INC·Filed 2014·Granted Jun 11, 2019·1 cites·23 claims
- 0744US8579050B2Reamer with balanced cutting structure for use in a wellborePESSIER RUDOLF CARL·Filed 2008·Granted Nov 12, 2013·3 cites·12 claims
- 0842US2009159341A1Reamer with balanced cutting structures for use in a wellboreBAKER HUGHES INC·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →