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Inventor

John Peter Crawshaw

Inventor
Newmarket, GB

Overview

6→
Patents
2000–2012
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere44%
E21BEarth or rock drilling22%
C07HSugars11%
G06FElectric digital data processing11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
8,260,594'Method and system for predicting the apparent flow conductivity of a heterogeneous medium'20127,013,995'Compositions and processes for treating subterranean formations'20066,632,778'Self-diverting resin systems for sand consolidation'20036,544,933'Drilling fluid'20036,364,020'Emulsion for well and formation treatment'20026,073,694'Plug placement method'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2012Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (6)· patent assignee history
2000–2012Based in Newmarket, GB· patent location history
2002Based in Market Harborough, GB· patent location history
2012Patents assigned to CRAWSHAW JOHN PETER (1)· patent assignee history
2012Patents assigned to FADILI ALI (1)· patent assignee history
2012Patents assigned to PEARSON JOHN RICHARD ANTHONY (1)· patent assignee history
2012Patents assigned to TARDY PHILIPPE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP62000–2012
CRAWSHAW JOHN PETERself12012
FADILI ALI12012
PEARSON JOHN RICHARD ANTHONY12012
TARDY PHILIPPE12012
Locations
LocationPatentsSpan
Newmarket, GB52000–2012
Market Harborough, GB12002