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Inventor

K. P. Kristjansson

Inventor
Kristiansand, NO

Overview

2→
Patents
1990–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

B63Bprimary
B63BShips or other waterborne vessels14%
B66CCranes14%
E21BEarth or rock drilling14%
F04BPositive-displacement machines for liquids14%
F15BSystems acting by means of fluids in general14%
F16LPipes14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
11,059,547System arranged on a marine vessel or platform, such as for providing heave compensation and hoisting20214,941,511'Device with a valve function'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to NORSKE STATS OLJESELSKAP (1)· patent assignee history
1990Based in Skjetnehaugen, NO· patent location history
2021Patents assigned to NAT OILWELL VARCO NORWAY AS (1)· patent assignee history
2021Patents assigned to NAT OILWELL VAREO NORWAY AS (1)· patent assignee history
2021Based in Kristiansand, NO· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NAT OILWELL VARCO NORWAY AS12021
NAT OILWELL VAREO NORWAY AS12021
NORSKE STATS OLJESELSKAP11990
Locations
LocationPatentsSpan
Kristiansand, NO12021
Skjetnehaugen, NO11990