Inventor
ZHENG NING
CN15 patents
⚠️ This page may combine multiple inventors who share the name “ZHENG NING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
3D SYSTEMS INC
3 patentsUS7807947B2Oct 5, 2010
Laser sintering process chamber gas curtain window cleansing in a laser sintering system
3D SYSTEMS INC18 citations83
US11806932B2Nov 7, 2023
Large array stereolithography with efficient optical path
3D SYSTEMS INC0 citations59
US11345089B2May 31, 2022
Large array stereolithography with efficient optical path
3D SYSTEMS INC0 citations59