Inventor
PAWLOWSKI NORMAN E JR
US24 patents
⚠️ This page may combine multiple inventors who share the name “PAWLOWSKI NORMAN E JR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
21 patentsUS5852459ADec 22, 1998
Printer using print cartridge with internal pressure regulator
HEWLETT PACKARD CO168 citations99
US5736992AApr 7, 1998
Pressure regulated free-ink ink-jet pen
HEWLETT PACKARD CO115 citations98
US6203146B1Mar 20, 2001
Printing system with air accumulation control means enabling a semipermanent printhead without air purge
HEWLETT PACKARD CO96 citations97
US6422693B2Jul 23, 2002
Ink interconnect between print cartridge and carriage
HEWLETT PACKARD CO52 citations96
US6231173B1May 15, 2001
Contact pad and fluid interconnect configuration on a print cartridge
HEWLETT PACKARD CO58 citations96
US6033064AMar 7, 2000
Inkjet printer with off-axis ink supply
HEWLETT PACKARD CO123 citations96
US5980032ANov 9, 1999
Compliant ink interconnect between print cartridge and carriage
HEWLETT PACKARD CO50 citations96
US5966155AOct 12, 1999
Inkjet printing system with off-axis ink supply having ink path which does not extend above print cartridge
HEWLETT PACKARD CO76 citations96
US5777647AJul 7, 1998
Side-loaded pressure regulated free-ink ink-jet pen
HEWLETT PACKARD CO74 citations96
US5583545ADec 10, 1996
Ink level detection in a pressure regulated pen
HEWLETT PACKARD CO97 citations96
US6367918B1Apr 9, 2002
Unitary latching device for secure positioning of print cartridge during printing, priming and replenishment
HEWLETT PACKARD CO61 citations94
US5975686ANov 2, 1999
Regulator for a free-ink inkjet pen
HEWLETT PACKARD CO76 citations94
US6779875B2Aug 24, 2004
Printing system with flexible conduit portion between ink supply and print cartridge and methods for supplying ink to printing structure
HEWLETT PACKARD CO28 citations92
US6273560B1Aug 14, 2001
Print cartridge coupling and reservoir assembly for use in an inkjet printing system with an off-axis ink supply
HEWLETT PACKARD CO30 citations92
US6188417B1Feb 13, 2001
Fluidic adapter for use with an inkjet print cartridge having an internal pressure regulator
HEWLETT PACKARD CO39 citations92
US6137513AOct 24, 2000
Printer using print cartridge with internal pressure regulator
HEWLETT PACKARD CO31 citations92
US5971529AOct 26, 1999
Automatic ink interconnect between print cartridge and carriage
HEWLETT PACKARD CO34 citations92
US5872584AFeb 16, 1999
Apparatus for providing ink to an ink-jet print head and for compensating for entrapped air
HEWLETT PACKARD CO38 citations92
US5844577ADec 1, 1998
Back pressure regulator ink-jet pen
HEWLETT PACKARD CO37 citations92
US5812168ASep 22, 1998
Air purging of a pressure regulated free-ink ink-jet pen
HEWLETT PACKARD CO53 citations92
US6547377B2Apr 15, 2003
Printhead air management using unsaturated ink
HEWLETT PACKARD CO9 citations74