Inventor · disambiguated record

W. Mark Richards

Also filed as: RICHARDS W MARK

2 granted patents·66 citations·filing 2005–2005

66Inventor score

Technology areasE21B

Files withHALLIBURTON ENERGY SERV INC2

Top patents by PatentIndex Score

2 records

0184US7152688B2Positioning tool with valved fluid diversion path and methodHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Dec 26, 2006·41 cites·20 claims
0277US7252153B2Bi-directional fluid loss device and methodHALLIBURTON ENERGY SERV INC·Filed 2005·Granted Aug 7, 2007·25 cites·19 claims

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