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Inventor

Douglas W. Davison

Inventor
Pearland, TX, US

Overview

3→
Patents
1997–1999
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
5,984,007'Chip resistant buttons for downhole tools having slip elements'19995,839,515'Slip retaining system for downhole tools'19985,701,959'Downhole tool apparatus and method of limiting packer element extrusion'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to HALLIBURTON CO (1)· patent assignee history
1997–1999Based in Pearland, TX, US· patent location history
1998–1999Patents assigned to HALLIBURTON ENERGY SERV INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC21998–1999
HALLIBURTON CO11997
Locations
LocationPatentsSpan
Pearland, Texas, US31997–1999