Assignee
CHOE HEEMAN
KR·4 granted patents·45 citations·filing 2009–2011
Top patents by PatentIndex Score
4 records- 0194US8201648B2Earth-boring particle-matrix rotary drill bit and method of making the sameCHOE HEEMAN·Filed 2009·Granted Jun 19, 2012·20 cites·13 claims
- 0294US8074750B2Earth-boring tools comprising silicon carbide composite materials, and methods of forming sameCHOE HEEMAN·Filed 2010·Granted Dec 13, 2011·8 cites·11 claims
- 0391US8616089B2Method of making an earth-boring particle-matrix rotary drill bitCHOE HEEMAN·Filed 2011·Granted Dec 31, 2013·7 cites·11 claims
- 0487US8230762B2Methods of forming earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materialsCHOE HEEMAN·Filed 2011·Granted Jul 31, 2012·10 cites·17 claims
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