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Inventor

Niels J. Nielsen

Inventor
Corvallis, OR, US

Overview

14→
Patents
1983–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 14 as inventor

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

B41Jprimary
B41JTypewriters56%
F16LPipes11%
Y10TTechnical subjects covered by former us classification11%
C25DProcesses for the electrolytic or electrophoretic production of coatings6%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like6%
E21BEarth or rock drilling6%
F16KValves6%
PatentTitleYear
9,303,463'Riser and an offshore system'20167,000,645'Armoured, flexible pipe'20065,682,186'Protective capping apparatus for an ink-jet pen'19975,657,061'Ink-cooled thermal ink jet printhead'19975,635,968'Thermal inkjet printer printhead with offset heater resistors'19975,459,498'Ink-cooled thermal ink jet printhead'19955,418,558'Determining the operating energy of a thermal ink jet printhead using an onboard thermal sense resistor'19955,040,002'Regulator for ink-jet pens'1991D0314209'Ink-jet print cartridge'19914,931,811'Thermal ink jet pen having a feedtube with improved sizing and operational with a minimum of depriming'19904,882,595'Hydraulically tuned channel architecture'19894,677,447'Ink jet printhead having a preloaded check valve'19874,528,577'Ink jet orifice plate having integral separators'19854,387,855'Salt and/or gravel spreader'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to NIELSEN NIELS J O (1)· patent assignee history
1983Based in Kolding, DK· patent location history
1985–1997Patents assigned to HEWLETT PACKARD CO (11)· patent assignee history
1985–1997Based in Corvallis, OR, US· patent location history
2006Patents assigned to NKT FLEXIBLES IS (1)· patent assignee history
2006Based in Birkerød, DK· patent location history
2016Patents assigned to NAT OILWELL VARCO DENMARK IS (1)· patent assignee history
2016Based in Dragor, DK· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HEWLETT PACKARD CO111985–1997
NAT OILWELL VARCO DENMARK IS12016
NIELSEN NIELS J Oself11983
NKT FLEXIBLES IS12006
Locations
LocationPatentsSpan
Corvallis, OR, US111985–1997
Dragor, DK12016
Birkerød, DK12006
Kolding, DK11983