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Inventor

Marcus A. Smedley

Inventor
Mesquite, TX, US

Overview

5→
Patents
1993–2007
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 5 as inventor

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

E21Bprimary
E21BEarth or rock drilling83%
B63BShips or other waterborne vessels17%
PatentTitleYear
7,156,039'Keel guide system'20077,008,141'Collapsible buoyancy device for risers on offshore structures'20066,640,902'Nested stack-down casing hanger system for subsea wellheads'20036,557,638'Concentric tubing completion system'20035,176,218'Adjustable mandrel well casing hanger'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to FMC CORP (1)· patent assignee history
1993Based in Houston, TX, US· patent location history
2003–2007Patents assigned to FMC TECHNOLOGIES (4)· patent assignee history
2003–2007Based in Mesquite, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FMC TECHNOLOGIES42003–2007
FMC CORP11993
Locations
LocationPatentsSpan
Mesquite, Texas, US42003–2007
Houston, Texas, US11993