Inventor

STATHEM RALPH L

US54 patents

⚠️ This page may combine multiple inventors who share the name “STATHEM RALPH L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD DEVELOPMENT CO

29 patents

US8651643B2Feb 18, 2014

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO29 citations96

US7618135B2Nov 17, 2009

Inkjet printing system with push priming

HEWLETT PACKARD DEVELOPMENT CO19 citations92

US7556365B2Jul 7, 2009

Inkjet printing system with compliant printhead assembly

HEWLETT PACKARD DEVELOPMENT CO21 citations92

US6604814B2Aug 12, 2003

Arrangements of interconnect circuit and fluid drop generators

HEWLETT PACKARD DEVELOPMENT CO19 citations91

USD729312SMay 12, 2015

Ink cartridge

HEWLETT PACKARD DEVELOPMENT CO16 citations88

US8474960B1Jul 2, 2013

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO11 citations84

USD675252SJan 29, 2013

Ink cartridge

HEWLETT PACKARD DEVELOPMENT CO16 citations84

US6652072B2Nov 25, 2003

Interconnect circuit

HEWLETT PACKARD DEVELOPMENT CO15 citations82

US6648457B2Nov 18, 2003

Redundant fluid interconnect seal for a modular ink jet delivery system

HEWLETT PACKARD DEVELOPMENT CO9 citations74

USD949965SApr 26, 2022

Ink cartridge

HEWLETT PACKARD DEVELOPMENT CO2 citations73

USD941391SJan 18, 2022

Ink cartridge

HEWLETT PACKARD DEVELOPMENT CO2 citations73

US7510274B2Mar 31, 2009

Ink delivery system and methods for improved printing

HEWLETT PACKARD DEVELOPMENT CO7 citations73

US6837573B2Jan 4, 2005

Interconnect circuit

HEWLETT PACKARD DEVELOPMENT CO9 citations72

US6673160B2Jan 6, 2004

Method of cleaning for an inkjet printer

HEWLETT PACKARD DEVELOPMENT CO10 citations69

US7771033B2Aug 10, 2010

Printing device

HEWLETT PACKARD DEVELOPMENT CO3 citations63

USD941390SJan 18, 2022

Ink cartridge

HEWLETT PACKARD DEVELOPMENT CO0 citations62

US7997698B2Aug 16, 2011

Ink delivery system and methods for improved printing

HEWLETT PACKARD DEVELOPMENT CO2 citations62

US7762651B2Jul 27, 2010

Printing device fluid reservoir

HEWLETT PACKARD DEVELOPMENT CO5 citations61

US6705706B2Mar 16, 2004

Arrangements of interconnect circuit and fluid drop generators

HEWLETT PACKARD DEVELOPMENT CO3 citations61

US6648458B2Nov 18, 2003

Pinch seal providing fluid interconnects between fluid delivery system components

HEWLETT PACKARD DEVELOPMENT CO2 citations60

US10391775B2Aug 27, 2019

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US10112400B2Oct 30, 2018

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US9028054B2May 12, 2015

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US8979251B2Mar 17, 2015

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US8651642B2Feb 18, 2014

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US6908181B2Jun 21, 2005

Redundant fluid interconnect seal for a modular ink jet delivery system

HEWLETT PACKARD DEVELOPMENT CO0 citations52

US7500737B2Mar 10, 2009

Free flow fluid delivery system for printing device

HEWLETT PACKARD DEVELOPMENT CO1 citations50

US7490925B2Feb 17, 2009

Free flow fluid delivery system for printing device

HEWLETT PACKARD DEVELOPMENT CO0 citations50

US10046564B2Aug 14, 2018

Print head module

HEWLETT PACKARD DEVELOPMENT CO0 citations44

HARVEY DAVID C

7 patents

USD707290SJun 17, 2014

Ink cartridge

HARVEY DAVID C15 citations92

USD875828SFeb 18, 2020

Ink cartridge

HARVEY DAVID C6 citations84

USD712464SSep 2, 2014

Ink cartridge

HARVEY DAVID C16 citations84

US8727516B2May 20, 2014

Fluid cartridge

HARVEY DAVID C11 citations84

USD699785SFeb 18, 2014

Ink cartridge

HARVEY DAVID C10 citations84

USD680582SApr 23, 2013

Ink cartridge

HARVEY DAVID C8 citations84

US8882252B2Nov 11, 2014

Fluid cartridge

HARVEY DAVID C0 citations51

HEWLETT PACKARD DEVELOPMENT CO LP

4 patents

US9770914B2Sep 26, 2017

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO LP35 citations98

US9616670B2Apr 11, 2017

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO LP8 citations84

US9738080B1Aug 22, 2017

Fluid cartridge

HEWLETT PACKARD DEVELOPMENT CO LP0 citations52

US9597887B2Mar 21, 2017

Pen housings

HEWLETT PACKARD DEVELOPMENT CO LP0 citations52

HEWLETT PACKARD CO

3 patents

US6139137AOct 31, 2000

Bottom fill inkjet cartridge through bubble generator

HEWLETT PACKARD CO19 citations89

US5933175AAug 3, 1999

Bottom fill inkjet cartridge through bubble generator

HEWLETT PACKARD CO29 citations89

US6454388B1Sep 24, 2002

Sequestering residual ink on an ink-jet print cartridge

HEWLETT PACKARD CO15 citations77

STATHEM RALPH L

2 patents

US8919935B2Dec 30, 2014

Liquid supply

STATHEM RALPH L14 citations80

US9238374B2Jan 19, 2016

Print head module

STATHEM RALPH L0 citations41

GONZALES CURT

2 patents

US9321275B2Apr 26, 2016

Valve systems for managing air in a fluid ejection system

GONZALES CURT2 citations62

US9457368B2Oct 4, 2016

Fluidic devices, bubble generators and fluid control methods

GONZALES CURT0 citations51

BOYD PATRICK V

1 patent

US9090082B2Jul 28, 2015

Fluid container having plurality of chambers

BOYD PATRICK V4 citations73

PETERSEN DANIEL W

1 patent

US9132649B2Sep 15, 2015

Removable guide element

PETERSEN DANIEL W3 citations54

OGLE HOLLI C

1 patent

US8066358B2Nov 29, 2011

Over-molded fluid interconnect

OGLE HOLLI C0 citations44

Showing the top 50 of 54 patents by PatentIndex Score.