Inventor

Erwan Olliero

Inventor

Macae, BR

Overview

2007

Patent span

Fixed constructions

Primary field (CPC E)

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

E21Bprimary

E21BEarth or rock drilling50%

G01NInvestigating or analysing materials by determining their chemical or physical properties50%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (1)· patent assignee history

2007Based in Macae, BR· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHLUMBERGER TECHNOLOGY CORP	1	2007

Locations

Location	Patents	Span
Macae, BR	1	2007