LexDanaLexDanabeta
Inventor

Lloyd A. Crockford

Inventor
Houston, TX, US

Overview

3→
Patents
2004–2013
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
8,403,036'Single piece packer extrusion limiter ring'20136,695,051'Expandable retaining shoe'20046,695,050'Expandable retaining shoe'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2013Patents assigned to HALLIBURTON ENERGY SERV INC (3)· patent assignee history
2004–2013Based in Houston, TX, US· patent location history
2013Patents assigned to CROCKFORD LLOYD (1)· patent assignee history
2013Patents assigned to HAVELKA EMIL (1)· patent assignee history
2013Patents assigned to NEER ADAM K (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC32004–2013
CROCKFORD LLOYDself12013
HAVELKA EMIL12013
NEER ADAM K12013
Locations
LocationPatentsSpan
Houston, Texas, US32004–2013