P

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 patents
US6557987B1May 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

LIGGETT MELINDA LOIS

1 patent