Inventor
CANTRELL JOHN J
US10 patents
⚠️ This page may combine multiple inventors who share the name “CANTRELL JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
9 patentsUS11298944B2Apr 12, 2022
Tanks for print cartridge
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11981534B2May 14, 2024
Shared media paths
HEWLETT PACKARD DEVELOPMENT CO0 citations60
US7645006B2Jan 12, 2010
Printhead lift
HEWLETT PACKARD DEVELOPMENT CO3 citations60
US11220111B2Jan 11, 2022
Ink cartridge caps
HEWLETT PACKARD DEVELOPMENT CO0 citations58
US11046102B2Jun 29, 2021
Ink tank cap and valve linkage
HEWLETT PACKARD DEVELOPMENT CO1 citations53
US11305548B2Apr 19, 2022
Cap seal and valve sequencing
HEWLETT PACKARD DEVELOPMENT CO0 citations48
US10527131B2Jan 7, 2020
Selectable drive printing device
HEWLETT PACKARD DEVELOPMENT CO0 citations48
US10293626B2May 21, 2019
Selectable drive printing device
HEWLETT PACKARD DEVELOPMENT CO0 citations45
US10882324B2Jan 5, 2021
Printer valves
HEWLETT PACKARD DEVELOPMENT CO0 citations39