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Inventor

Quan Liu

Inventor
Jiangsu, CN

Overview

3→
Patents
2018–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation20%
F25BRefrigeration machines, plants or systems20%
H01LSemiconductor devices20%
H10KOrganic electric solid-state devices20%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications20%
PatentTitleYear
10,978,525Organic light emitting device, display and mobile communication device202110,953,348Membrane gas/liquid contactor202110,094,599Oil return method for multi-split air conditioning in heating2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to GREE ELECTRIC APPLIANCES INC ZHUHAI (1)· patent assignee history
2018Based in Zhuhai, CN· patent location history
2021Patents assigned to IDEX HEALTH & SCIENCE LLC (1)· patent assignee history
2021Patents assigned to KUNSHAN GOVISIONOX OPTOELECTRONICS CO LTD (1)· patent assignee history
2021Based in Jiangsu, CN· patent location history
2021Based in Petaluma, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GREE ELECTRIC APPLIANCES INC ZHUHAI12018
IDEX HEALTH & SCIENCE LLC12021
KUNSHAN GOVISIONOX OPTOELECTRONICS CO LTD12021
Locations
LocationPatentsSpan
Jiangsu, CN12021
Petaluma, California, US12021
Zhuhai, CN12018