LexDanaLexDanabeta
Inventor

Al Jerabek

Inventor
Houston, TX, US

Overview

3→
Patents
1998–2012
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 drilling67%
G01VGeophysics33%
PatentTitleYear
8,157,002'Slip ring apparatus for a rotary steerable tool'20125,892,460'Logging while drilling tool with azimuthal sensistivity'19995,774,420'Method and apparatus for retrieving logging data from a downhole logging tool'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to HALLIBURTON ENERGY SERV INC (2)· patent assignee history
1998–2012Based in Houston, TX, US· patent location history
2012Patents assigned to CLARKSON MARK J (1)· patent assignee history
2012Patents assigned to DAS PRALAY (1)· patent assignee history
2012Patents assigned to GUZMAN HECTOR R (1)· patent assignee history
2012Patents assigned to JERABEK AL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC21998–1999
CLARKSON MARK J12012
DAS PRALAY12012
GUZMAN HECTOR R12012
JERABEK ALself12012
Locations
LocationPatentsSpan
Houston, Texas, US31998–2012