Inventor · disambiguated record

Barrett Allen

Also filed as: ALLEN BARRETT

1 granted patent·1 pending application·7 citations·filing 2008–2017

29Inventor score

Technology areasE21B

Files withALLEN BARRETT2

Top patents by PatentIndex Score

2 records

0143US7770666B2Drilling fluid containing a recoverable lost circulation material and method of using and recovering the sameALLEN BARRETT·Filed 2008·Granted Aug 10, 2010·7 cites·5 claims
0220US2017335643A1Drilling system using drill beads and method of using and recovering the sameALLEN BARRETT·Filed 2017·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →