LexDanaLexDanabeta
Inventor

Doyle R. Warren

Inventor
Spring, TX, US

Overview

2→
Patents
2005–2007
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
7,284,619'Packer with positionable collar'20076,920,085'Downlink telemetry system'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to HALLIBURTON ENERGY SERV INC (1)· patent assignee history
2005–2007Based in Spring, TX, US· patent location history
2007Patents assigned to TAM INT INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC12005
TAM INT INC12007
Locations
LocationPatentsSpan
Spring, Texas, US22005–2007