Inventor
ROMAN JUSTIN M
US38 patents
⚠️ This page may combine multiple inventors who share the name “ROMAN JUSTIN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
37 patentsUS6557987B1May 6, 2003
Co-extruded tubing for an off-axis ink delivery system
HEWLETT PACKARD DEVELOPMENT CO17 citations79
US11426927B2Aug 30, 2022
Different mixtures of build materials deliverable during a three dimensional print operation
HEWLETT PACKARD DEVELOPMENT CO2 citations73
US10414163B2Sep 17, 2019
Fluid supply assembly
HEWLETT PACKARD DEVELOPMENT CO3 citations71
US10071578B2Sep 11, 2018
Mounting device
HEWLETT PACKARD DEVELOPMENT CO2 citations71
US9308747B2Apr 12, 2016
Printer mechanism with shape control mechanism to transform hills and valleys
HEWLETT PACKARD DEVELOPMENT CO3 citations70
US7431421B2Oct 7, 2008
Printing system and method
HEWLETT PACKARD DEVELOPMENT CO6 citations70
US11318682B2May 3, 2022
Three-dimensional (3D) object printing based on build material permeability
HEWLETT PACKARD DEVELOPMENT CO3 citations69
US11806936B2Nov 7, 2023
Build material recovery for a three-dimensional (3D) printer
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11745429B2Sep 5, 2023
Humidification in a build material recovery system
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11338516B2May 24, 2022
Build material recovery for a three-dimensional (3D) printer
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11097480B2Aug 24, 2021
Post-processing in 3D printing systems using a separate material management apparatus
HEWLETT PACKARD DEVELOPMENT CO1 citations61
US11097468B2Aug 24, 2021
Cooling of build material in three dimensional printing system
HEWLETT PACKARD DEVELOPMENT CO0 citations61
US11518102B2Dec 6, 2022
Build material extraction using vibration and airflow
HEWLETT PACKARD DEVELOPMENT CO0 citations58
US11485086B2Nov 1, 2022
Removing build material
HEWLETT PACKARD DEVELOPMENT CO1 citations58
US7207666B2Apr 24, 2007
Printer ink supply system
HEWLETT PACKARD DEVELOPMENT CO6 citations56
US11623404B2Apr 11, 2023
Removal of excess build material in additive manufacturing
HEWLETT PACKARD DEVELOPMENT CO0 citations54
US10200554B2Feb 5, 2019
Media scan operation control
HEWLETT PACKARD DEVELOPMENT CO1 citations53
US8882229B2Nov 11, 2014
Media width-based calibration pattern placement
HEWLETT PACKARD DEVELOPMENT CO2 citations53
US11465342B2Oct 11, 2022
Three-dimensional printer
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10589464B2Mar 17, 2020
Spreader roller for additive manufacturing
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US11964277B2Apr 23, 2024
Metered volume microfluidic devices
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US10477054B2Nov 12, 2019
Translatable scanner calibration target
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US9102178B2Aug 11, 2015
Multi-region media advance compensation
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US11685111B2Jun 27, 2023
Three-dimensional printer
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US11465204B2Oct 11, 2022
Cooling of build material in 3D printing system
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US11155029B2Oct 26, 2021
Three dimensional (3D) printing using fusing and detailing agents
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US11072161B2Jul 27, 2021
Extracting 3D objects
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US10434785B2Oct 8, 2019
Fluid supply assembly
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US10137695B2Nov 27, 2018
Printhead priming
HEWLETT PACKARD DEVELOPMENT CO0 citations50
US10097714B2Oct 9, 2018
Translatable scanner calibration target
HEWLETT PACKARD DEVELOPMENT CO0 citations49
US7384125B2Jun 10, 2008
Moving chassis
HEWLETT PACKARD DEVELOPMENT CO0 citations49
US10112385B2Oct 30, 2018
Ambient temperature based flow rates
HEWLETT PACKARD DEVELOPMENT CO0 citations45
US11541602B2Jan 3, 2023
Controlling moisture content of build material in a three-dimensional (3D) printer
HEWLETT PACKARD DEVELOPMENT CO0 citations44
US11305491B2Apr 19, 2022
Three-dimensional (3D) object printing based on a build material, moisture content level
HEWLETT PACKARD DEVELOPMENT CO0 citations44
US10868931B2Dec 15, 2020
Bias members
HEWLETT PACKARD DEVELOPMENT CO0 citations44
US10364110B2Jul 30, 2019
Media transport jam prevention
HEWLETT PACKARD DEVELOPMENT CO0 citations41
US10195862B2Feb 5, 2019
Off-axis printhead assembly attachable to a carriage
HEWLETT PACKARD DEVELOPMENT CO0 citations38