Inventor
CHAMPION DAVID A
US34 patents
⚠️ This page may combine multiple inventors who share the name “CHAMPION DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
31 patentsUS11207827B2Dec 28, 2021
Energy dosing for additive manufacturing
HEWLETT PACKARD DEVELOPMENT CO2 citations72
US11007710B2May 18, 2021
Three-dimensional (3D) printing
HEWLETT PACKARD DEVELOPMENT CO4 citations72
US10875240B2Dec 29, 2020
Stabilizing liquid functional material for three- dimensional (3D) printing
HEWLETT PACKARD DEVELOPMENT CO3 citations72
US12121973B2Oct 22, 2024
Three-dimensional (3D) printing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US12076917B2Sep 3, 2024
Energy dosing for additive manufacturing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US12023738B2Jul 2, 2024
Creating a breakaway region
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11745260B2Sep 5, 2023
Pin array sintering supports
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11701830B2Jul 18, 2023
Extraction of digitally printed build material
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11633782B2Apr 25, 2023
Three-dimensional (3D) printing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11498130B2Nov 15, 2022
Three-dimensional printing
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11433457B2Sep 6, 2022
Creating a breakaway region
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US11167478B2Nov 9, 2021
Material sets
HEWLETT PACKARD DEVELOPMENT CO1 citations62
US11072088B2Jul 27, 2021
Three-dimensional printer
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US10913208B2Feb 9, 2021
Extraction of digitally printed build material
HEWLETT PACKARD DEVELOPMENT CO0 citations62
US10759085B2Sep 1, 2020
Three-dimensional (3D) printing
HEWLETT PACKARD DEVELOPMENT CO1 citations62
US7599109B2Oct 6, 2009
Security device
HEWLETT PACKARD DEVELOPMENT CO3 citations62
US11318537B2May 3, 2022
Microwave sensing in additive manufacturing
HEWLETT PACKARD DEVELOPMENT CO0 citations60
US11872757B2Jan 16, 2024
Microwave energy emitters with tips
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US11633915B2Apr 25, 2023
Removable cassette for 3D printers
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US11376796B2Jul 5, 2022
Adapting printing parameters during additive manufacturing processes
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US10882253B2Jan 5, 2021
Removable cassette for 3D printers
HEWLETT PACKARD DEVELOPMENT CO0 citations59
US11872753B2Jan 16, 2024
Frequency control of spreader vibrations
HEWLETT PACKARD DEVELOPMENT CO0 citations57
US11597147B2Mar 7, 2023
Ultrasonic spreading blades with kickers
HEWLETT PACKARD DEVELOPMENT CO0 citations57
US7679603B2Mar 16, 2010
Sensor array
HEWLETT PACKARD DEVELOPMENT CO3 citations57
US11865618B2Jan 9, 2024
Tracer gas endpoint-monitored sinter systems
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US11318669B2May 3, 2022
Three-dimensional (3D) printing
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US11104029B2Aug 31, 2021
Three-dimensional (3D) printing
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10857727B2Dec 8, 2020
Material sets
HEWLETT PACKARD DEVELOPMENT CO0 citations52
US10478994B2Nov 19, 2019
Fabricating a three-dimensional object
HEWLETT PACKARD DEVELOPMENT CO0 citations51
US11987006B2May 21, 2024
Adjustments to forming data for forming a build layer
HEWLETT PACKARD DEVELOPMENT CO0 citations48
US11801638B2Oct 31, 2023
Printers
HEWLETT PACKARD DEVELOPMENT CO0 citations45