Inventor · disambiguated record
Jeffery Walter Vert
Also filed as: VERT JEFFERY WALTER
4 granted patents·57 citations·filing 2001–2007
79Inventor score
Technology areasE21B
Files withTESCO CORP4
Top patents by PatentIndex Score
4 records- 0185US7640984B2Method for drilling and casing a wellbore with a pump down cement floatTESCO CORP·Filed 2007·Granted Jan 5, 2010·21 cites·18 claims
- 0273US7757764B2Method for drilling and casing a wellbore with a pump down cement floatTESCO CORP·Filed 2007·Granted Jul 20, 2010·10 cites·12 claims
- 0373US7484559B2Method for drilling and casing a wellbore with a pump down cement floatTESCO CORP·Filed 2007·Granted Feb 3, 2009·10 cites·11 claims
- 0458US7428927B2Cement float and method for drilling and casing a wellbore with a pump down cement floatTESCO CORP·Filed 2001·Granted Sep 30, 2008·16 cites·27 claims
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