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Inventor

Pierre Lecour

Inventor
Le Kremlin-Bicetre, FR

Overview

3→
Patents
1987–2002
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Bprimary
E21BEarth or rock drilling33%
E02BHydraulic engineering17%
F16CShafts17%
F16FSprings17%
F16JPistons17%
PatentTitleYear
6,401,843'Drilling head with a cone rock bit'20026,102,142'Drilling tool with shock absorbers'20004,688,776'Hydroelastic suspension device for mobile self-lift drilling platforms'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to HUTCHINSON SA (1)· patent assignee history
1987–2000Based in Le Kremlin-Bicetre, FR· patent location history
2000–2002Patents assigned to TOTAL SA (2)· patent assignee history
2000Patents assigned to SECURITY DIAMINT BOART STRATAB (1)· patent assignee history
2002Patents assigned to HUTCHINSON (1)· patent assignee history
2002Based in Le Kremlin Bicetre, FR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOTAL SA22000–2002
HUTCHINSON12002
HUTCHINSON SA11987
SECURITY DIAMINT BOART STRATAB12000
Locations
LocationPatentsSpan
Le Kremlin-Bicetre, FR21987–2000
Le Kremlin Bicetre, FR12002