Assignee
LUFKIN IND LLC
US·7 granted patents·5 pending applications·15 citations·filing 2014–2020
Top patents by PatentIndex Score
12 records- 0183US9587672B1Adjustable offset pivot journal padLUFKIN IND LLC·Filed 2015·Granted Mar 7, 2017·4 cites·20 claims
- 0279US9618048B2Reverse bypass cooling for tilted pad journal and tilting pad thrust bearingsLUFKIN IND LLC·Filed 2014·Granted Apr 11, 2017·8 cites·17 claims
- 0370US10422205B2Low profile rod pumping unit with pneumatic counterbalance for the active control of the rod stringLUFKIN IND LLC·Filed 2015·Granted Sep 24, 2019·1 cites·11 claims
- 0455US9534634B1Bearing system for dynamically varying loadsLUFKIN IND LLC·Filed 2014·Granted Jan 3, 2017·2 cites·20 claims
- 0548US2020217164A1Optical Alignment System for Beam Pumping UnitLUFKIN IND LLC·Filed 2020·Application pending·0 cites
- 0647US2016186749A1Improved stator assembly for progressive cavity pumping systemsLUFKIN IND LLC·Filed 2014·Application pending·0 cites
- 0746US2019107105A1Linear Drive Beam Pumping UnitLUFKIN IND LLC·Filed 2018·Application pending·0 cites
- 0845US10590725B2Optical alignment system for beam pumping unitLUFKIN IND LLC·Filed 2017·Granted Mar 17, 2020·0 cites·16 claims
- 0942US2019056057A1Integrated base assembly for beam pumping unitLUFKIN IND LLC·Filed 2018·Application pending·0 cites
- 1042US2018371717A1Integral Precast Foundation Base for Pumping UnitLUFKIN IND LLC·Filed 2018·Application pending·0 cites
- 1141US9725995B2Bottle chamber gas lift systems, apparatuses, and methods thereofLUFKIN IND LLC·Filed 2014·Granted Aug 8, 2017·0 cites·3 claims
- 1232US10815984B2Beam pumping unit with geometry optimized for bearing stress reductionLUFKIN IND LLC·Filed 2017·Granted Oct 27, 2020·0 cites·8 claims
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