P

Inventor

CHILDERS WINTHROP D

US183 patents
⚠️ This page may combine multiple inventors who share the name “CHILDERS WINTHROP D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HEWLETT PACKARD CO

36 patents
US6543879B1Apr 8, 2003

Inkjet printhead assembly having very high nozzle packing density

HEWLETT PACKARD CO414 citations99
US6130695AOct 10, 2000

Ink delivery system adapter

HEWLETT PACKARD CO211 citations99
US6039430AMar 21, 2000

Method and apparatus for storing and retrieving information on a replaceable printing component

HEWLETT PACKARD CO325 citations99
US6019449AFeb 1, 2000

Apparatus controlled by data from consumable parts with incorporated memory devices

HEWLETT PACKARD CO229 citations99
US5860363AJan 19, 1999

Ink jet cartridge with separately replaceable ink reservoir

HEWLETT PACKARD CO209 citations99
US5812156ASep 22, 1998

Apparatus controlled by data from consumable parts with incorporated memory devices

HEWLETT PACKARD CO351 citations99
US5673073ASep 30, 1997

Syringe for filling print cartridge and establishing correct back pressure

HEWLETT PACKARD CO120 citations99
US5278584AJan 11, 1994

Ink delivery system for an inkjet printhead

HEWLETT PACKARD CO381 citations99
US6375301B1Apr 23, 2002

Replaceable cartridge, kit and method for flushing ink from an inkjet printer

HEWLETT PACKARD CO89 citations98
US6227638B1May 8, 2001

Electrical refurbishment for ink delivery system

HEWLETT PACKARD CO95 citations98
US6116723ASep 12, 2000

Low cost pressurizable ink container

HEWLETT PACKARD CO92 citations98
US6086195AJul 11, 2000

Filter for an inkjet printhead

HEWLETT PACKARD CO89 citations98
US6065824AMay 23, 2000

Method and apparatus for storing information on a replaceable ink container

HEWLETT PACKARD CO222 citations98
US5956057ASep 21, 1999

Ink container having electronic and mechanical features enabling plug compatibility between multiple supply sizes

HEWLETT PACKARD CO110 citations98
US5946012AAug 31, 1999

Reliable high performance drop generator for an inkjet printhead

HEWLETT PACKARD CO131 citations98
US5880748AMar 9, 1999

Ink delivery system for an inkjet pen having an automatic pressure regulation system

HEWLETT PACKARD CO99 citations98
US5835817ANov 10, 1998

Replaceable part with integral memory for usage, calibration and other data

HEWLETT PACKARD CO425 citations98
US5699091ADec 16, 1997

Replaceable part with integral memory for usage, calibration and other data

HEWLETT PACKARD CO433 citations98
US6322205B1Nov 27, 2001

Ink delivery system adapter

HEWLETT PACKARD CO103 citations97
US6196663B1Mar 6, 2001

Method and apparatus for balancing colorant usage

HEWLETT PACKARD CO88 citations97
US6113208ASep 5, 2000

Replaceable cartridge for a printer including resident memory with stored message triggering data

HEWLETT PACKARD CO178 citations97
US5975677ANov 2, 1999

Multiple cartridge printhead assembly for use in an inkjet printing system

HEWLETT PACKARD CO99 citations97
US5874974AFeb 23, 1999

Reliable high performance drop generator for an inkjet printhead

HEWLETT PACKARD CO91 citations97
US6428145B1Aug 6, 2002

Wide-array inkjet printhead assembly with internal electrical routing system

HEWLETT PACKARD CO58 citations96
US6422693B2Jul 23, 2002

Ink interconnect between print cartridge and carriage

HEWLETT PACKARD CO52 citations96
US6332677B1Dec 25, 2001

Stable substrate structure for a wide swath nozzle array in a high resolution inkjet printer

HEWLETT PACKARD CO75 citations96
US6283586B1Sep 4, 2001

Method and apparatus for refilling ink containers in a manner that preserves printhead life

HEWLETT PACKARD CO41 citations96
US6231173B1May 15, 2001

Contact pad and fluid interconnect configuration on a print cartridge

HEWLETT PACKARD CO58 citations96
US6170937B1Jan 9, 2001

Ink container refurbishment method

HEWLETT PACKARD CO139 citations96
US6126265AOct 3, 2000

Ink jet printer service station controlled by data from consumable parts with incorporated memory devices

HEWLETT PACKARD CO173 citations96
US5992990ANov 30, 1999

Ink delivery system having an off-carriage pressure regulator

HEWLETT PACKARD CO84 citations96
US5984464ANov 16, 1999

Stable substrate structure for a wide swath nozzle array in a high resolution inkjet printer

HEWLETT PACKARD CO55 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
US5903292AMay 11, 1999

Ink refill techniques for an inkjet print cartridge which leave correct back pressure

HEWLETT PACKARD CO77 citations96
US5751323AMay 12, 1998

Adhesiveless printhead attachment for ink-jet pen

HEWLETT PACKARD CO53 citations96

HEWLETT PACKARD DEVELOPMENT CO

13 patents
US7530352B2May 12, 2009

Inhalation device and method for delivering variable amounts of different components

HEWLETT PACKARD DEVELOPMENT CO56 citations98
US7217542B2May 15, 2007

Microfluidic system for analyzing nucleic acids

HEWLETT PACKARD DEVELOPMENT CO73 citations98
US7126741B2Oct 24, 2006

Light modulator assembly

HEWLETT PACKARD DEVELOPMENT CO138 citations98
US6713201B2Mar 30, 2004

Systems including replaceable fuel cell apparatus and methods of using replaceable fuel cell apparatus

HEWLETT PACKARD DEVELOPMENT CO82 citations98
US7338637B2Mar 4, 2008

Microfluidic device with thin-film electronic devices

HEWLETT PACKARD DEVELOPMENT CO105 citations97
US7018046B2Mar 28, 2006

Display system with low and high resolution modulators

HEWLETT PACKARD DEVELOPMENT CO70 citations97
US6924054B2Aug 2, 2005

Fuel supply for a fuel cell

HEWLETT PACKARD DEVELOPMENT CO110 citations97
US6817717B2Nov 16, 2004

Display system with low and high resolution modulators

HEWLETT PACKARD DEVELOPMENT CO82 citations97
US6886557B2May 3, 2005

Inhalation device and method for delivering variable amounts of different components

HEWLETT PACKARD DEVELOPMENT CO52 citations96
US6850352B1Feb 1, 2005

Method and system for generating color using a low-resolution spatial color modulator and a high-resolution modulator

HEWLETT PACKARD DEVELOPMENT CO60 citations96
US6828049B2Dec 7, 2004

Replaceable fuel cell apparatus having information storage device

HEWLETT PACKARD DEVELOPMENT CO63 citations96
US6733139B2May 11, 2004

Projector with narrow-spectrum light source to complement broad-spectrum light source

HEWLETT PACKARD DEVELOPMENT CO51 citations96
US6729734B2May 4, 2004

System for enhancing the quality of an image

HEWLETT PACKARD DEVELOPMENT CO43 citations96

CHILDERS WINTHROP D

1 patent

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