Inventor · disambiguated record
Niels J. Nielsen
Also filed as: NIELSEN NIELS J · NIELSEN NIELS J O · NIELSEN NIELS J RISHOJ
13 granted patents·1,431 citations·filing 1981–2013
95Inventor score
Top patents by PatentIndex Score
13 records- 0197US4882595AHydraulically tuned channel architectureHEWLETT PACKARD CO·Filed 1989·Granted Nov 21, 1989·182 cites·16 claims
- 0297US4677447AInk jet printhead having a preloaded check valveHEWLETT PACKARD CO·Filed 1986·Granted Jun 30, 1987·204 cites·3 claims
- 0396US5682186AProtective capping apparatus for an ink-jet penHEWLETT PACKARD CO·Filed 1994·Granted Oct 28, 1997·326 cites·14 claims
- 0496US5635968AThermal inkjet printer printhead with offset heater resistorsHEWLETT PACKARD CO·Filed 1994·Granted Jun 3, 1997·171 cites·14 claims
- 0595US4931811AThermal ink jet pen having a feedtube with improved sizing and operational with a minimum of deprimingHEWLETT PACKARD CO·Filed 1989·Granted Jun 5, 1990·102 cites·2 claims
- 0694US5040002ARegulator for ink-jet pensHEWLETT PACKARD CO·Filed 1990·Granted Aug 13, 1991·176 cites·29 claims
- 0793US4528577AInk jet orifice plate having integral separatorsHEWLETT PACKARD CO·Filed 1982·Granted Jul 9, 1985·66 cites·1 claims
- 0890US5418558ADetermining the operating energy of a thermal ink jet printhead using an onboard thermal sense resistorHEWLETT PACKARD CO·Filed 1993·Granted May 23, 1995·78 cites·10 claims
- 0984US5459498AInk-cooled thermal ink jet printheadHEWLETT PACKARD CO·Filed 1992·Granted Oct 17, 1995·58 cites·25 claims
- 1083USD314209SInk-jet print cartridgeHEWLETT PACKARD CO·Filed 1987·Granted Jan 29, 1991·22 cites·1 claims
- 1176US5657061AInk-cooled thermal ink jet printheadHEWLETT PACKARD CO·Filed 1995·Granted Aug 12, 1997·37 cites·7 claims
- 1268US9303463B2Riser and an offshore systemNAT OILWELL VARCO DENMARK IS·Filed 2013·Granted Apr 5, 2016·2 cites·36 claims
- 1332US4387855ASalt and/or gravel spreaderNIELSEN NIELS J O·Filed 1981·Granted Jun 14, 1983·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →