LexDanaLexDanabeta
Inventor

Norman G. Hortman

Inventor
Laurel, MS, US

Overview

3→
Patents
1977–1978
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 drilling100%
PatentTitleYear
4,076,077'Weight and pressure operated well testing apparatus and its method of operation'19784,059,153'Weight and pressure operated well testing apparatus and its method of operation'19774,047,564'Weight and pressure operated well testing apparatus and its method of operation'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to HALLIBURTON CO (3)· patent assignee history
1977–1978Based in Laurel, MS, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON CO31977–1978
Locations
LocationPatentsSpan
Laurel, MS, US31977–1978