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Inventor

Keun Chul Song

Inventor
Seoul, KR

Overview

3→
Patents
2004–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering25%
C23CCoating metallic material25%
F01LCyclically operating valves for machines or engines25%
F16CShafts25%
PatentTitleYear
9,222,511'Sliding bearing and sliding bearing assembly'20158,807,105'Cam follower with improved structure to increase limit load'20146,756,009'Method of producing hardmetal-bonded metal component'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to DAEWOO HEAVY IND & MACH (1)· patent assignee history
2004Based in Kyungki-do, KR· patent location history
2014–2015Patents assigned to DOOSAN INFRACORE CO LTD (2)· patent assignee history
2014–2015Patents assigned to SONG KEUN CHUL (2)· patent assignee history
2014–2015Based in Seoul, KR· patent location history
2015Patents assigned to HONG KI HWAN (1)· patent assignee history
2015Patents assigned to KIM SANG BEOM (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOOSAN INFRACORE CO LTD22014–2015
SONG KEUN CHULself22014–2015
DAEWOO HEAVY IND & MACH12004
HONG KI HWAN12015
KIM SANG BEOM12015
Locations
LocationPatentsSpan
Seoul, KR22014–2015
Kyungki-do, KR12004