Inventor

JIANRU LIU

Inventor
CN

Overview

9→
Patents
2023–2026
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 9 as inventor

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

F25Dprimary
F25DRefrigerators43%
F25BRefrigeration machines, plants or systems36%
F04BPositive-displacement machines for liquids14%
F16LPipes7%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023–2026Patents assigned to HAIER SMART HOME CO LTD (9)· patent assignee history
2023–2026Patents assigned to Qingdao haier refrigerator co ltd (8)· patent assignee history
2023–2026Based in CN· patent location history
2024Patents assigned to Qingdao haier special refrigeration electric appliance co ltd (1)· patent assignee history
2025Patents assigned to QINGDAO HAIRER REFRIGERATOR CO LTD (1)· patent assignee history
2025Patents assigned to Qingdao haier special refrigerator co ltd (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAIER SMART HOME CO LTD92023–2026
Qingdao haier refrigerator co ltd82023–2026
QINGDAO HAIRER REFRIGERATOR CO LTD12025
Qingdao haier special refrigeration electric appliance co ltd12024
Qingdao haier special refrigerator co ltd12025
Locations
LocationPatentsSpan
CN92023–2026