Inventor · disambiguated record
David R. Woodruff
Also filed as: WOODRUFF DAVID R
2 granted patents·1 pending application·74 citations·filing 2007–2015
66Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0193US8286734B2Low profile rotating control deviceHANNEGAN DON M·Filed 2007·Granted Oct 16, 2012·64 cites·53 claims
- 0288US10087701B2Low profile rotating control deviceWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Oct 2, 2018·10 cites·18 claims
- 0350US2015211319A1Low profile rotating control deviceWEATHERFORD LAMB·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →