Inventor

Enpin Xia

Inventor
Qingdao, CN

Overview

13→
Patents
2019–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 13 as inventor

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

F25Dprimary
F25DRefrigerators36%
E05DHinges or suspension devices for doors, windows or wings22%
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 thereof19%
E05FDevices for moving wings into open or closed position8%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material3%
B23KSoldering or unsoldering3%
F16KValves3%
F21VFunctional features or details of lighting devices or systems thereof3%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019–2021Patents assigned to QINGDAO HAIER JOINT STOCK CO LTD (13)· patent assignee history
2019Patents assigned to Qingdao haier special refrigerator co ltd (1)· patent assignee history
2019–2021Based in Qingdao, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
QINGDAO HAIER JOINT STOCK CO LTD132019–2021
Qingdao haier special refrigerator co ltd12019
Locations
LocationPatentsSpan
Qingdao, CN132019–2021