Inventor
CORRIGAN GEORGE H
US17 patents
⚠️ This page may combine multiple inventors who share the name “CORRIGAN GEORGE H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
11 patentsUS7032986B2Apr 25, 2006
Self-calibration of power delivery control to firing resistors
HEWLETT PACKARD DEVELOPMENT CO11 citations83
US6800497B2Oct 5, 2004
Power switching transistor and method of manufacture for a fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO15 citations83
US6729707B2May 4, 2004
Self-calibration of power delivery control to firing resistors
HEWLETT PACKARD DEVELOPMENT CO16 citations83
US10232610B2Mar 19, 2019
Fluidic die
HEWLETT PACKARD DEVELOPMENT CO2 citations73
US10124579B2Nov 13, 2018
Crack sensing for printhead having multiple printhead die
HEWLETT PACKARD DEVELOPMENT CO2 citations73
US11260657B2Mar 1, 2022
Pulldown devices
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11590495B2Feb 28, 2023
Ionic species interrogation and sensing
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11366046B2Jun 21, 2022
Determine viscosity of fluids using a capillary channel
HEWLETT PACKARD DEVELOPMENT CO0 citations60
US10040281B2Aug 7, 2018
Wide array printhead module
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10569535B2Feb 25, 2020
Crack sensing for printhead having multiple printhead die
HEWLETT PACKARD DEVELOPMENT CO0 citations45
US6655770B2Dec 2, 2003
Apparatus and method for printing with showerhead groups
HEWLETT PACKARD DEVELOPMENT CO0 citations42
HEWLETT PACKARD CO
6 patentsUS6183056B1Feb 6, 2001
Thermal inkjet printhead and printer energy control apparatus and method
HEWLETT PACKARD CO79 citations96
US6154229ANov 28, 2000
Thermal ink jet print head and printer temperature control apparatus and method
HEWLETT PACKARD CO79 citations95
US5815180ASep 29, 1998
Thermal inkjet printhead warming circuit
HEWLETT PACKARD CO68 citations95
US5736995AApr 7, 1998
Temperature control of thermal inkjet printheads by using synchronous non-nucleating pulses
HEWLETT PACKARD CO82 citations95
US6231154B1May 15, 2001
Thermal ink jet print head and temperature control apparatus and method
HEWLETT PACKARD CO17 citations92
US5992979ANov 30, 1999
Thermal inkjet printhead warming circuit
HEWLETT PACKARD CO12 citations73