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Inventor

Lawrence A. Eckert

Inventor
Houston, TX, US

Overview

6→
Patents
1990–1994
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 6 as inventor

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

E21Bprimary
E21BEarth or rock drilling67%
F16LPipes22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
5,355,961'Metal and elastomer casing hanger seal'19945,327,965'Wellhead completion system'19945,299,644'Well starter head'19945,285,853'Casing hanger seal with test port'19945,205,356'Well starter head'19934,949,786'Emergency casing hanger'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to VECTO GRAY INC (1)· patent assignee history
1990–1994Based in Houston, TX, US· patent location history
1993–1994Patents assigned to VETCO GRAY INC ABB (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VETCO GRAY INC ABB51993–1994
VECTO GRAY INC11990
Locations
LocationPatentsSpan
Houston, Texas, US61990–1994