Inventor
HESS JEFFERY S
US17 patents
⚠️ This page may combine multiple inventors who share the name “HESS JEFFERY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
13 patentsUS6719467B2Apr 13, 2004
Floor printer
HEWLETT PACKARD DEVELOPMENT CO74 citations93
US6599761B2Jul 29, 2003
Monitoring and test structures for silicon etching
HEWLETT PACKARD DEVELOPMENT CO18 citations92
US7625080B2Dec 1, 2009
Air management in a fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO20 citations91
US6916090B2Jul 12, 2005
Integrated fluid ejection device and filter
HEWLETT PACKARD DEVELOPMENT CO30 citations91
US6682186B2Jan 27, 2004
Graded capillarity structures for passive gas management, and methods
HEWLETT PACKARD DEVELOPMENT CO21 citations91
US6910758B2Jun 28, 2005
Substrate and method of forming substrate for fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO12 citations79
US7105097B2Sep 12, 2006
Substrate and method of forming substrate for fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO7 citations73
US6902259B2Jun 7, 2005
Direct imaging polymer fluid jet orifice
HEWLETT PACKARD DEVELOPMENT CO6 citations73
US6776916B2Aug 17, 2004
Substrate and method of forming substrate for fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO7 citations73
US6626523B2Sep 30, 2003
Printhead having a thin film membrane with a floating section
HEWLETT PACKARD DEVELOPMENT CO5 citations73
US7530661B2May 12, 2009
Substrate and method of forming substrate for fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO2 citations62
US6974548B2Dec 13, 2005
Printhead having a thin film membrane with a floating section
HEWLETT PACKARD DEVELOPMENT CO5 citations62
US7024768B2Apr 11, 2006
Fluid ejection device having a layer with a discontinuity
HEWLETT PACKARD DEVELOPMENT CO2 citations61
HEWLETT PACKARD CO
4 patentsUS6162589ADec 19, 2000
Direct imaging polymer fluid jet orifice
HEWLETT PACKARD CO135 citations97
US6527368B1Mar 4, 2003
Layer with discontinuity over fluid slot
HEWLETT PACKARD CO17 citations91
US6447102B1Sep 10, 2002
Direct imaging polymer fluid jet orifice
HEWLETT PACKARD CO28 citations91
US6520627B2Feb 18, 2003
Direct imaging polymer fluid jet orifice
HEWLETT PACKARD CO10 citations72