Inventor · disambiguated record
William M. Imwalle
Also filed as: IMWALLE WILLIAM M
3 granted patents·174 citations·filing 2000–2001
77Inventor score
Technology areasE21B
Files withHALLIBURTON ENERGY SERV INC3
Top patents by PatentIndex Score
3 records- 0190US6374924B2Downhole drilling apparatusHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Apr 23, 2002·98 cites·20 claims
- 0282US6585040B2Downhole drilling apparatusHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Jul 1, 2003·66 cites·10 claims
- 0348US6550550B2Downhole drilling apparatusHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Apr 22, 2003·10 cites·21 claims
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