Inventor
Andrew Meredith
Inventor
Cambridge, GB
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling35%
G01NInvestigating or analysing materials by determining their chemical or physical properties35%
Y10TTechnical subjects covered by former us classification8%
F04DNon-positive-displacement pumps5%
G01VGeophysics5%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
F04BPositive-displacement machines for liquids3%
G01RMeasuring electric variables3%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%
H03KPulse technique3%
PatentTitleYear
10,938,390Shaft proximity sensors202110,876,393Submersible electrical system assessment202010,859,558Oilfield monitoring of subterranean polymer solution202010,844,712Devices and methods for measuring analyte concentration202010,605,068Downhole electrochemical fluid sensor and method of using same202010,458,224Monitoring of equipment associated with a borehole/conduit201910,392,926Logging perforation flow in wellbore201910,386,320Erosion and wear resistant sonoelectrochemical probe201910,137,423Devices and methods for measuring analyte concentration20189,435,192'Downhole electrochemical sensor and method of using same'20169,244,034'Electrochemical pH measurement'20169,034,651'Apparatus and method for measuring concentrations of scale-forming ions'20159,005,983'Electro-chemical sensor'20158,904,859'Detecting gas compounds for downhole fluid analysis'20148,596,354'Detection of tracers used in hydrocarbon wells'20138,177,958'Electro-chemical sensor'20127,901,555'Electro-chemical sensor'20117,767,461'Apparatus and method for measuring concentrations of scale-forming ions'20107,710,000'Erosion and wear resistant sonoelectrochemical probe'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2021Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (18)· patent assignee history
2010–2021Based in Cambridge, GB· patent location history
2012–2016Patents assigned to MEREDITH ANDREW (6)· patent assignee history
2012–2015Patents assigned to LAWRENCE NATHAN (3)· patent assignee history
2014–2015Patents assigned to JIANG LI (2)· patent assignee history
2014–2016Patents assigned to LAWRENCE NATHAN S (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 18 | 2010–2021 |
| MEREDITH ANDREWself | 6 | 2012–2016 |
| LAWRENCE NATHAN | 3 | 2012–2015 |
| JIANG LI | 2 | 2014–2015 |
| LAWRENCE NATHAN S | 2 | 2014–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cambridge, GB | 19 | 2010–2021 |