Inventor · Spanish Fork, UT, US

David Lundgreen

27Patents
7h-index
17Co-inventors
62Inventor score

Filing activity: Jan 18, 2006 → Jul 7, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7360610B2 Drill bit assembly for directional drilling Fixed Constructions 55 Active
US7426968B2 Drill bit assembly with a probe Emerging Cross-Sectional Technologies 29 Active
US7506701B2 Drill bit assembly for directional drilling Fixed Constructions 29 Active
US7559379B2 Downhole steering Fixed Constructions 20 Active
US7434634B1 Downhole turbine Fixed Constructions 20 Active
US7451835B1 Downhole turbine Fixed Constructions 16 Active
US7900720B2 Downhole drive shaft connection Fixed Constructions 8 Active
US7938203B1 Downhole centrifugal drilling fluid separator Mechanical Engineering; Lighting; Heating 7 Active
US7866416B2 Clutch for a jack element Fixed Constructions 7 Active
US10196809B2 Modular building component for floor and ceiling with rod-based dimensions Fixed Constructions 6 Active
US8360174B2 Lead the bit rotary steerable tool Fixed Constructions 6 Active
US8499857B2 Downhole jack assembly sensor Fixed Constructions 6 Active
US8522897B2 Lead the bit rotary steerable tool Fixed Constructions 4 Active
US8140259B2 Location device with a gravity measuring device Physics 4 Active
US8028768B2 Displaceable plug in a tool string filter Fixed Constructions 4 Active
US7721826B2 Downhole jack assembly sensor Fixed Constructions 2 Active
US7669663B1 Resettable actuator for downhole tool Fixed Constructions 2 Active
US8307919B2 Clutch for a jack element Fixed Constructions 2 Active
US10960719B2 Apparatus and method for measuring force on weight distribution hitches Physics 1 Active
US7650951B1 Resettable actuator for downhole tool Fixed Constructions 1 Active
US7984772B1 Downhole centrifugal drilling fluid separator Mechanical Engineering; Lighting; Heating 1 Active
US7980332B1 Downhole centrifugal drilling fluid separator Mechanical Engineering; Lighting; Heating 1 Active
US11821781B2 Apparatus and method for determining weight distribution Physics 0 Active
US12415391B2 System and method for attaching a trailer to a tow vehicle Performing Operations; Transporting 0 Active
US12326355B2 System and method for measuring weights of vehicles and trailers Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.