P

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 patents
US6719467B2Apr 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 patents