LexDanaLexDanabeta
Inventor

Edgar D. Lueders

Inventor
Stafford, TX, US

Overview

3→
Patents
1991–2000
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
6,109,347'One-trip, thru-tubing, window-milling system'20005,697,438'Torque control device for downhole milling'19974,986,358'Flapper mount for well safety valve'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to CAMCO INT (1)· patent assignee history
1991–2000Based in Stafford, TX, US· patent location history
1997–2000Patents assigned to BAKER HUGHES INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC21997–2000
CAMCO INT11991
Locations
LocationPatentsSpan
Stafford, Texas, US31991–2000