Inventor

RUIQIN ZHANG

Inventor
HK

Overview

4→
Patents
2022–2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C23Cprimary
C23CCoating metallic material15%
C03CChemical composition of glasses, glazes or vitreous enamels8%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals8%
C25DProcesses for the electrolytic or electrophoretic production of coatings8%
E05DHinges or suspension devices for doors, windows or wings8%
E05FDevices for moving wings into open or closed position8%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof8%
F25DRefrigerators8%
H01GCapacitors8%
H01LSemiconductor devices8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to UNIV CITY HONG KONG (3)· patent assignee history
2022–2025Based in HK· patent location history
2025Patents assigned to HEFEI HUALING CO LTD (1)· patent assignee history
2025Patents assigned to HEFEI MIDEA REFRIGERATOR CO (1)· patent assignee history
2025Patents assigned to MIDEA GROUP CO LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CITY HONG KONG32022–2025
HEFEI HUALING CO LTD12025
HEFEI MIDEA REFRIGERATOR CO12025
MIDEA GROUP CO LTD12025
Locations
LocationPatentsSpan
HK32022–2025
CN12025