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Inventor

Nils Lennart Rolland

Inventor
Nyborg, NO

Overview

5→
Patents
2011–2018
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 drilling71%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors14%
F16KValves14%
PatentTitleYear
9,963,947Apparatus and method for controlling pressure in a borehole20189,346,634'System and method for passing matter in a flow passage'20169,243,717'Gate valve, method for returned drilling mud pressure control and/or well killing, and uses of a gate valve'20167,938,190'Anchored riserless mud return systems'20117,913,764'Return line mounted pump for riserless mud return system'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011Patents assigned to AGR SUBSEA INC (2)· patent assignee history
2011–2018Based in Nyborg, NO· patent location history
2016Patents assigned to ROLLAND NILS LENNART (2)· patent assignee history
2016–2018Patents assigned to STATOIL PETROLEUM AS (2)· patent assignee history
2016Patents assigned to STATOIL PETROLUEM AS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AGR SUBSEA INC22011
ROLLAND NILS LENNARTself22016
STATOIL PETROLEUM AS22016–2018
STATOIL PETROLUEM AS12016
Locations
LocationPatentsSpan
Nyborg, NO52011–2018