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Inventor

Zhenren Zou

Inventor
Guangdong, CN

Overview

3→
Patents
2018–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning25%
B01DSeparation25%
C02FTreatment of water, waste water, sewage, or sludge25%
LOC0625%
PatentTitleYear
11,027,228Filtration device and filtration assembly202110,278,561Intelligent floor mopping apparatus2019D0824701Mobile file cabinet2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to JIANGXI HILI ELECTRIC APPLIANCES TECH CO LTD (1)· patent assignee history
2018–2019Based in Guangdong, CN· patent location history
2019Patents assigned to FINE DRAGON TECH LIMITED (1)· patent assignee history
2021Patents assigned to QINGDAO ECOPURE FILTER CO LTD (1)· patent assignee history
2021Based in City of Industry, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FINE DRAGON TECH LIMITED12019
JIANGXI HILI ELECTRIC APPLIANCES TECH CO LTD12018
QINGDAO ECOPURE FILTER CO LTD12021
Locations
LocationPatentsSpan
Guangdong, CN22018–2019
City of Industry, California, US12021