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Inventor

William H. Petersen

Inventor
Mandeville, LA, US

Overview

6→
Patents
1986–2003
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 drilling86%
F16LPipes14%
PatentTitleYear
6,585,455'Rocker arm marine tensioning system'20035,320,175'Subsea wellhead connections'19945,143,483'Hydraulic stab subassembly for remotely operated vehicle vertical interface tool'19924,784,225'Well valve assembly method and apparatus'19884,657,439'Buoyant member riser tensioner method and apparatus'19874,591,292'Subsea pull-in tool'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1992Patents assigned to SHELL OFFSHORE INC (4)· patent assignee history
1986–1988Based in Kingwood, TX, US· patent location history
1992–2003Based in Mandeville, LA, US· patent location history
1994–2003Patents assigned to SHELL OIL CO (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHELL OFFSHORE INC41986–1992
SHELL OIL CO21994–2003
Locations
LocationPatentsSpan
Mandeville, LA, US31992–2003
Kingwood, Texas, US31986–1988