Inventor

Fangcheng Liu

Inventor
Shanghai, CN

Overview

3→
Patents
2019–2021
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
B01DSeparation14%
C02FTreatment of water, waste water, sewage, or sludge14%
G02BOptical elements, systems or apparatus14%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems14%
H04MTelephonic communication14%
H04NPictorial communication, e.g. television14%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management14%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to SHANGHAI FANQING ENV ENGINEERING CO LTD (1)· patent assignee history
2019–2021Based in Shanghai, CN· patent location history
2021Patents assigned to HUAWEI TECH CO LTD (2)· patent assignee history
2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HUAWEI TECH CO LTD22021
SHANGHAI FANQING ENV ENGINEERING CO LTD12019
Locations
LocationPatentsSpan
Shanghai, CN22019–2021
Shenzhen, CN12021