Inventor
ENDER RONALD J
US20 patents
⚠️ This page may combine multiple inventors who share the name “ENDER RONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
15 patentsUS11179941B2Nov 23, 2021
Print liquid supply
HEWLETT PACKARD DEVELOPMENT CO9 citations84
US7922312B2Apr 12, 2011
Compact ink delivery in an ink pen
HEWLETT PACKARD DEVELOPMENT CO15 citations83
US7862138B2Jan 4, 2011
Flow control in an ink pen
HEWLETT PACKARD DEVELOPMENT CO15 citations83
US11667124B2Jun 6, 2023
Print liquid supply
HEWLETT PACKARD DEVELOPMENT CO1 citations72
US11440330B2Sep 13, 2022
Liquid delivery in an inkjet type dispenser
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11292262B2Apr 5, 2022
Fluid supplies
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US7237572B2Jul 3, 2007
Check valve
HEWLETT PACKARD DEVELOPMENT CO3 citations62
US12097710B2Sep 24, 2024
Print liquid supply
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11691432B2Jul 4, 2023
Air purger with plunger
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11807019B2Nov 7, 2023
Printing fluid circulation
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US10618288B2Apr 14, 2020
Shroud for a printhead assembly
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US9975339B2May 22, 2018
Shroud for a printhead assembly
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US8714720B2May 6, 2014
Metallized print head container and method
HEWLETT PACKARD DEVELOPMENT CO1 citations51
US7618132B2Nov 17, 2009
Apparatus and method for preventing damage to printing systems
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US7695102B2Apr 13, 2010
Bearing
HEWLETT PACKARD DEVELOPMENT CO0 citations50