Inventor · disambiguated record
John W. Mckeachnie
Also filed as: MCKEACHNIE JOHN W
3 granted patents·178 citations·filing 2005–2009
78Inventor score
Technology areasE21B
Files withWEATHERFORD LAMB3
Top patents by PatentIndex Score
3 records- 0195US7510018B2Convertible sealWEATHERFORD LAMB·Filed 2007·Granted Mar 31, 2009·84 cites·23 claims
- 0293US7896091B2Convertible sealWEATHERFORD LAMB·Filed 2009·Granted Mar 1, 2011·68 cites·27 claims
- 0383US7434627B2Method and apparatus for friction reduction in a downhole toolWEATHERFORD LAMB·Filed 2005·Granted Oct 14, 2008·26 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →