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Inventor

Grant R. Thompson

Inventor
Tulsa, OK, US

Overview

12→
Patents
1996–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling50%
F16KValves11%
Y10TTechnical subjects covered by former us classification11%
A61BDiagnosis6%
A61MDevices for introducing media into, or onto, the body6%
B22DCasting of metals6%
G01BMeasuring length, thickness or similar linear dimensions6%
LOC246%
PatentTitleYear
D0882092MRI head coil202010,449,274System and method of facilitating connection between cannulae and a blood pump20199,623,479'Apparatus including metal foam and methods for using same downhole'20179,151,139'Method of reducing deflection through a rod piston in a subsurface safety valve'20158,471,551'Magnetic position monitoring system and method'20138,439,118'Pressure vortex device to allow flapper closure in high velocity fluid applications'20138,393,386'Subsurface safety valve and method of actuation'20137,255,174'Cement control ring'20076,684,958'Flapper lock open apparatus'20046,607,037'Sand control seal for subsurface safety valve'20035,906,220'Control system with collection chamber'19995,564,501'Control system with collection chamber'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2017Patents assigned to BAKER HUGHES INC (10)· patent assignee history
1996–2017Based in Tulsa, OK, US· patent location history
2013–2017Patents assigned to THOMPSON GRANT R (5)· patent assignee history
2013–2015Patents assigned to BURRIS JOHN E (3)· patent assignee history
2013–2015Patents assigned to ANDERSON DAVID Z (2)· patent assignee history
2013–2015Patents assigned to COGHILL ANTHONY S (2)· patent assignee history
2019Based in Elk River, MN, US· patent location history
2020Based in St. Paul, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC101996–2017
THOMPSON GRANT Rself52013–2017
BURRIS JOHN E32013–2015
ANDERSON DAVID Z22013–2015
COGHILL ANTHONY S22013–2015
Locations
LocationPatentsSpan
Tulsa, OK, US101996–2017
St. Paul, Minnesota, US12020
Elk River, Minnesota, US12019