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Inventor

Zhenqian Wen

Inventor
Guangdong, CN

Overview

4→
Patents
1995–2021
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.

F24Fprimary
F24FAir-conditioning22%
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds11%
C21BManufacture of iron or steel11%
C22BProduction and refining of metals11%
LOC2311%
Y02PClimate change mitigation technologies in the production or processing of goods11%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management11%
PatentTitleYear
D0918363Air humidifier2021D0916261Air conditioner2021D0913466Mobile air conditioner20215,395,601'Re-calcination and extraction process for the detoxification and comprehensive utilization of chromic residues'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Patents assigned to HUANG YAN PEI (1)· patent assignee history
1995Patents assigned to SITU QI JIANG (1)· patent assignee history
1995Based in Shenzhen, Guangdong Province, CN· patent location history
2021Patents assigned to GREE ELECTRIC APPLIANCES INC ZHUHAI (3)· patent assignee history
2021Based in Guangdong, CN· patent location history
2021Based in Zhuhai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GREE ELECTRIC APPLIANCES INC ZHUHAI32021
HUANG YAN PEI11995
SITU QI JIANG11995
Locations
LocationPatentsSpan
Guangdong, CN22021
Zhuhai, CN12021
Shenzhen, Guangdong Province, CN11995