Inventor

Changgeun Lee

Inventor

Seoul, KR

Overview

3→

Patents

2018–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 3 as inventor

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

C02Fprimary

C02FTreatment of water, waste water, sewage, or sludge29%

B01DSeparation14%

E05FDevices for moving wings into open or closed position14%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof14%

F25DRefrigerators14%

H01HElectric switches14%

PatentTitleYear

10,703,647Water purifier2020 10,167,208Sterilization system2019 10,054,362Refrigerator2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018–2020Patents assigned to LG ELECTRONICS INC (3)· patent assignee history

2018–2020Based in Seoul, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG ELECTRONICS INC	3	2018–2020

Locations

Location	Patents	Span
Seoul, KR	3	2018–2020