Inventor

John Martin

Inventor
Houston, TX, US

Overview

3→
Patents
1997–2015
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 drilling50%
G01VGeophysics25%
H04BTransmission25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to BAKER HUGHES INC (1)· patent assignee history
1997Based in Richmond, TX, US· patent location history
2011–2015Patents assigned to PRECISION ENERGY SERVICES INC (2)· patent assignee history
2011–2015Based in Houston, TX, US· patent location history
2015Patents assigned to AIELLO ROBERT A (1)· patent assignee history
2015Patents assigned to BINFORD JR TOMMY L (1)· patent assignee history
2015Patents assigned to COLLINS HARRY M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PRECISION ENERGY SERVICES INC22011–2015
AIELLO ROBERT A12015
BAKER HUGHES INC11997
BINFORD JR TOMMY L12015
COLLINS HARRY M12015
Locations
LocationPatentsSpan
Houston, Texas, US22011–2015
Richmond, Texas, US11997