Dong Sop RHEE

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Uijeongbu-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Water-blocking device
- Patent number 11,840,882
- Issue date Dec 12, 2023
- KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
- Dong Sop Rhee
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Structure for operating watertight door by buoyancy
- Patent number 11,447,996
- Issue date Sep 20, 2022
- KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
- In Hwan Park
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
WATER-BLOCKING DEVICE
- Publication number 20210230935
- Publication date Jul 29, 2021
- KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
- Dong Sop RHEE
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
STRUCTURE FOR OPERATING WATERTIGHT DOOR BY BUOYANCY
- Publication number 20210032916
- Publication date Feb 4, 2021
- KOREA INSTITUTE OF CIVIL ENGINEERING AND BUILDING TECHNOLOGY
- In Hwan PARK
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS