Inventor
John D. Sherwood
Inventor
Cambridge, GB
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling41%
G01FMeasuring volume, volume flow, mass flow or liquid level18%
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
Y10TTechnical subjects covered by former us classification12%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
C07DHeterocyclic compounds6%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
10,992,542System and method for the collection, generation, and distribution of synthetic metrics for computer system management20217,987,733'Determination of density for metering a fluid flow'20117,857,049'System and method for operational management of a guarded probe for formation fluid sampling'20107,841,406'Formation fluid sampling apparatus and methods'20107,757,760'System and method for real-time management of formation fluid sampling with a guarded probe'20107,654,321'Formation fluid sampling apparatus and methods'20107,650,799'Method and apparatus for investigating a gas-liquid mixture'20107,562,587'Determination of density for metering a fluid flow'20097,428,929'Method and apparatus for lifting liquids from gas wells'20087,210,532'Method and apparatus for lifting liquids from gas wells'20076,719,049'Fluid sampling methods and apparatus for use in boreholes'20045,294,636'Crystalline form of indole derivative and pharmaceutical method thereof'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to ICI PLC (1)· patent assignee history
1994Based in Congleton, GB· patent location history
2004–2011Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (10)· patent assignee history
2004–2011Based in Cambridge, GB· patent location history
2021Patents assigned to SCIENCELOGIC INC (1)· patent assignee history
2021Based in Beaverton, OR, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 10 | 2004–2011 |
| ICI PLC | 1 | 1994 |
| SCIENCELOGIC INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cambridge, GB | 10 | 2004–2011 |
| Beaverton, OR, US | 1 | 2021 |
| Congleton, GB | 1 | 1994 |