Inventor
CHOI KI SUN
KR11 patents
⚠️ This page may combine multiple inventors who share the name “CHOI KI SUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PRESYS CO LTD
5 patentsUS10563775B2Feb 18, 2020
Vacuum valve
PRESYS CO LTD2 citations71
US10443741B2Oct 15, 2019
Blade for vacuum valve
PRESYS CO LTD5 citations71
US9995402B2Jun 12, 2018
Two-way gate valve
PRESYS CO LTD4 citations68
US10352480B2Jul 16, 2019
Bidirectional gate valve
PRESYS CO LTD1 citations61
US10132414B2Nov 20, 2018
Vacuum valve
PRESYS CO LTD0 citations39
(unassigned)
2 patentsKOREA INST CIVIL ENG & BUILDING TECH
2 patentsUS11203851B2Dec 21, 2021
Foundation reinforcing apparatus using bracing-type supporting structure and lateral prestressing device and method of reinforcing foundation using the same
KOREA INST CIVIL ENG & BUILDING TECH0 citations46
US10947694B2Mar 16, 2021
Preloading apparatus for adjusting load and method of reinforcing foundation using the same
KOREA INST CIVIL ENG & BUILDING TECH0 citations46