Inventor
DUDENHOEFER CHRISTIE
US26 patents
⚠️ This page may combine multiple inventors who share the name “DUDENHOEFER CHRISTIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
19 patentsUSD917066SApr 20, 2021
Benchtop fluid ejection device
HEWLETT PACKARD DEVELOPMENT CO6 citations82
US6986571B2Jan 17, 2006
Filter for a print cartridge
HEWLETT PACKARD DEVELOPMENT CO15 citations78
US11774463B2Oct 3, 2023
Dispenser stages
HEWLETT PACKARD DEVELOPMENT CO4 citations75
US11801506B2Oct 31, 2023
Fluid ejections in nanowells
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11383230B2Jul 12, 2022
Monolithic carrier structure including fluid routing for digital dispensing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11366125B2Jun 21, 2022
Substrate conveyance systems
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11364492B2Jun 21, 2022
Monolithic carrier structure for digital dispensing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11642693B2May 9, 2023
Alignment devices
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11278928B2Mar 22, 2022
Alignment devices
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11007529B2May 18, 2021
Microfluidic apparatuses
HEWLETT PACKARD DEVELOPMENT CO1 citations61
US7791728B2Sep 7, 2010
System for optically analyzing a substance with a selected single-wavelength
HEWLETT PACKARD DEVELOPMENT CO3 citations61
US11975547B2May 7, 2024
Fluid ejection controllers to pivotally hold firing boards
HEWLETT PACKARD DEVELOPMENT CO0 citations60
US7648220B2Jan 19, 2010
Sensing of fluid ejected by drop-on-demand nozzles
HEWLETT PACKARD DEVELOPMENT CO2 citations57
US11609241B2Mar 21, 2023
Dispenser platforms
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US11253850B2Feb 22, 2022
Pipette dispenser tip utilizing print head
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US11203017B2Dec 21, 2021
Microfluidic apparatuses
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US10875238B2Dec 29, 2020
Patterned layer deposition
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US10029259B2Jul 24, 2018
Reservoir with variable radius fillet
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US12270820B2Apr 8, 2025
Ejection subassembly pitches to match nanowell spacing
HEWLETT PACKARD DEVELOPMENT CO0 citations50