LexDanaLexDanabeta
Inventor

Terris Field Walker

Inventor
Cypress, TX, US

Overview

4→
Patents
1986–2013
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
C09KMaterials for miscellaneous applications, not provided for elsewhere17%
C23CCoating metallic material17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
8,602,113'Coated oil and gas well production devices'20138,590,627'Coated sleeved oil and gas well production devices'20138,561,707'Ultra-low friction coatings for drill stem assemblies'20134,596,662'Compositions for use in drilling, completion and workover fluids'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Based in Houston, TX, US· patent location history
2013Patents assigned to BAILEY JEFFREY ROBERTS (3)· patent assignee history
2013Patents assigned to ERTAS MEHMET DENIZ (3)· patent assignee history
2013Patents assigned to EXXONMOBIL RES & ENG CO (3)· patent assignee history
2013Patents assigned to HAQUE TABASSUMUL (3)· patent assignee history
2013Patents assigned to JIN HYUN WOO (3)· patent assignee history
2013Based in Cypress, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAILEY JEFFREY ROBERTS32013
ERTAS MEHMET DENIZ32013
EXXONMOBIL RES & ENG CO32013
HAQUE TABASSUMUL32013
JIN HYUN WOO32013
Locations
LocationPatentsSpan
Cypress, Texas, US32013
Houston, Texas, US11986