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Inventor

Changjian RAO

Inventor
CN

Overview

1→
Patents
2025
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

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

F04Dprimary
F04DNon-positive-displacement pumps33%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants33%
F24FAir-conditioning33%
PatentTitleYear
12,345,276Cross-flow air duct and air outlet device2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to GREE ELECTRIC APPLIANCES INC ZHUHAI (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GREE ELECTRIC APPLIANCES INC ZHUHAI12025
Locations
LocationPatentsSpan
CN12025