Inventor

Steven R. Blattel

Inventor
Houston, TX, US

Overview

3→
Patents
1982–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere43%
E21BEarth or rock drilling29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to NL INDUSTRIES INC (1)· patent assignee history
1982–2003Based in Houston, TX, US· patent location history
2003Patents assigned to HALLIBURTON ENERGY SERV INC (1)· patent assignee history
2019Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history
2019Based in Porter, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC12003
HALLIBURTON ENERGY SERVICES INC12019
NL INDUSTRIES INC11982
Locations
LocationPatentsSpan
Houston, Texas, US21982–2003
Porter, Texas, US12019