Inventor
David Lundgreen
Inventor
Provo, UT, US
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling57%
B01DSeparation9%
F03BMachines or engines for liquids9%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
B60DVehicle connections3%
E04BGeneral building constructions3%
E04CStructural elements3%
F24TGeothermal collectors3%
G01CMeasuring distances, levels or bearings3%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
PatentTitleYear
10,960,719Apparatus and method for measuring force on weight distribution hitches202110,196,809Modular building component for floor and ceiling with rod-based dimensions20198,522,897'Lead the bit rotary steerable tool'20138,499,857'Downhole jack assembly sensor'20138,360,174'Lead the bit rotary steerable tool'20138,307,919'Clutch for a jack element'20128,140,259'Location device with a gravity measuring device'20128,028,768'Displaceable plug in a tool string filter'20117,984,772'Downhole centrifugal drilling fluid separator'20117,980,332'Downhole centrifugal drilling fluid separator'20117,938,203'Downhole centrifugal drilling fluid separator'20117,900,720'Downhole drive shaft connection'20117,866,416'Clutch for a jack element'20117,721,826'Downhole jack assembly sensor'20107,669,663'Resettable actuator for downhole tool'20107,650,951'Resettable actuator for downhole tool'20107,559,379'Downhole steering'20097,506,701'Drill bit assembly for directional drilling'20097,451,835'Downhole turbine'20087,434,634'Downhole turbine'20087,426,968'Drill bit assembly with a probe'20087,360,610'Drill bit assembly for directional drilling'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2019Patents assigned to HALL DAVID R (17)· patent assignee history
2008–2019Patents assigned to LUNDGREEN DAVID (17)· patent assignee history
2008–2010Patents assigned to DAHLGREN SCOTT (6)· patent assignee history
2008–2013Patents assigned to NELSON NATHAN (5)· patent assignee history
2008–2013Based in Provo, UT, US· patent location history
2010–2013Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (9)· patent assignee history
2019–2021Based in Spanish Fork, UT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALL DAVID R | 17 | 2008–2019 |
| LUNDGREEN DAVIDself | 17 | 2008–2019 |
| SCHLUMBERGER TECHNOLOGY CORP | 9 | 2010–2013 |
| DAHLGREN SCOTT | 6 | 2008–2010 |
| NELSON NATHAN | 5 | 2008–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Provo, UT, US | 20 | 2008–2013 |
| Spanish Fork, UT, US | 2 | 2019–2021 |