Inventor

Augdon J. Sampa

Inventor
Stafford, TX, US

Overview

8→
Patents
1990–2014
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 8 as inventor

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

E21Bprimary
E21BEarth or rock drilling75%
G01VGeophysics25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to DOWELL SCHLUMBERGER INC (2)· patent assignee history
1990–2000Based in Stafford, TX, US· patent location history
1999–2014Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (6)· patent assignee history
2012Patents assigned to CLINTON DALE WAYNE (1)· patent assignee history
2012Patents assigned to DEL CAMPO CHRISTOPHER SCOTT (1)· patent assignee history
2012Patents assigned to HE QINGYAN (1)· patent assignee history
2012–2014Based in Richmond, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP61999–2014
DOWELL SCHLUMBERGER INC21990–1991
CLINTON DALE WAYNE12012
DEL CAMPO CHRISTOPHER SCOTT12012
HE QINGYAN12012
Locations
LocationPatentsSpan
Stafford, Texas, US61990–2000
Richmond, Texas, US22012–2014