Inventor
Michael P. Barrett
Inventor
Histon, GB
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling48%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock11%
H02KDynamo-electric machines11%
F15BSystems acting by means of fluids in general4%
G01DMeasuring not specially adapted for a specific variable4%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves4%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G01VGeophysics4%
G11BInformation storage based on relative movement between record carrier and transducer4%
PatentTitleYear
10,550,684Observation of vibration of rotary apparatus20209,797,235'Drilling optimization with a downhole motor'20179,574,432'Optimized drilling'20179,494,028'Measuring speed of rotation of a downhole motor'20168,544,560'Drive mechanism'20138,235,146'Actuators, actuatable joints, and methods of directional drilling'20128,235,145'Gauge pads, cutters, rotary components, and methods for directional drilling'20127,622,916'Detector'20097,458,421'Methods and systems for robust and accurate determination of wireline depth in a borehole'20087,455,108'Radio frequency tags for turbulent flows'20086,993,432'System and method for wellbore communication'20066,845,819'Down hole tool and method'20056,446,718'Down hole tool and method'20026,405,798'Downhole tool and method'20026,051,800'Snap action switch'20005,188,228'Compact disk holder'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2017Patents assigned to BARRETT MICHAEL P (5)· patent assignee history
1993Based in Prospect Heights, IL, US· patent location history
2000Based in Elizabethtown, KY, US· patent location history
2002–2020Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (14)· patent assignee history
2002–2017Based in Histon, GB· patent location history
2008Based in Cambridgeshire, GB· patent location history
2012–2017Patents assigned to JOHNSON ASHLEY (6)· patent assignee history
2012–2017Patents assigned to ALDRED WALTER DAVID (5)· patent assignee history
2012–2017Patents assigned to JEFFRYES BENJAMIN P (4)· patent assignee history
2012–2020Based in Cambridge, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 14 | 2002–2020 |
| JOHNSON ASHLEY | 6 | 2012–2017 |
| ALDRED WALTER DAVID | 5 | 2012–2017 |
| BARRETT MICHAEL Pself | 5 | 1993–2017 |
| JEFFRYES BENJAMIN P | 4 | 2012–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Histon, GB | 10 | 2002–2017 |
| Cambridge, GB | 3 | 2012–2020 |
| Cambridgeshire, GB | 1 | 2008 |
| Elizabethtown, KY, US | 1 | 2000 |
| Prospect Heights, Illinois, US | 1 | 1993 |