Inventor
ZHANG HUACHENG
CN17 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG HUACHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
QINGDAO HAIER DRUM WASHING MACHINE CO LTD
6 patentsUS10787763B2Sep 29, 2020
Washing machine and outer drum thereof
QINGDAO HAIER DRUM WASHING MACHINE CO LTD1 citations57
US11702788B2Jul 18, 2023
Dispenser assembly and washing machine
QINGDAO HAIER DRUM WASHING MACHINE CO LTD0 citations55
US12503805B2Dec 23, 2025
Additive delivery apparatus and washing machine
QINGDAO HAIER DRUM WASHING MACHINE CO LTD0 citations51
US11313068B2Apr 26, 2022
Clothing treatment agent dispensing assembly for clothing treatment apparatus, and clothing treatment apparatus
QINGDAO HAIER DRUM WASHING MACHINE CO LTD0 citations51
US11313066B2Apr 26, 2022
Clothing treatment agent dispensing assembly for use in clothing treatment device, and clothing treatment device
QINGDAO HAIER DRUM WASHING MACHINE CO LTD0 citations51
US10815598B2Oct 27, 2020
Door for drum washing machine, and drum washing machine
QINGDAO HAIER DRUM WASHING MACHINE CO LTD0 citations47
ADVANCED NEW TECHNOLOGIES CO LTD
3 patentsUS11113697B2Sep 7, 2021
Method and apparatus for offline payment, service processing, and payment processing
ADVANCED NEW TECHNOLOGIES CO LTD1 citations72
US10872342B2Dec 22, 2020
Method and apparatus for offline payment, service processing, and payment processing
ADVANCED NEW TECHNOLOGIES CO LTD2 citations72
US11836732B2Dec 5, 2023
Method and apparatus for offline payment, service processing, and payment processing
ADVANCED NEW TECHNOLOGIES CO LTD0 citations62