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Inventor

In Hwe Koo

Inventor
Seongnam-si, KR

Overview

12→
Patents
2003–2013
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids55%
F01CRotary-piston or oscillating-piston machines or engines9%
F04BPositive-displacement machines for liquids9%
B05BSpraying apparatus5%
E03DWater-closets or urinals with flushing devices5%
F01LCyclically operating valves for machines or engines5%
F16KValves5%
H01RElectrically-conductive connections5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
8,550,797'Scroll compressor with improved back pressure force control function'20137,955,141'Inverter connection terminal with cables attached to parts of the terminal projecting from upper and lower surfaces of a plate'20117,341,440'Scroll compressor'20087,316,550'Scroll compressor'20087,309,220'Back pressure apparatus for orbiting vane compressors'20077,018,180'Vacuum preventing device of scroll compressor'20066,893,229'Vacuum preventing device of scroll compressor'20056,752,606'Rotation preventive device for scroll compressor'20046,748,971'Discharge valve assembly of fluid machinery'20046,695,600'Scroll compressor'20046,676,391'Variable quantity control apparatus for variable radius type scroll compressor'20046,663,363'Driving pin structure for scroll compressor'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2008Patents assigned to LG ELECTRONICS INC (10)· patent assignee history
2003Based in Seoul, KR· patent location history
2004–2013Based in Seongnam-si, KR· patent location history
2004Based in Seongnam, KR· patent location history
2004Based in Yoingin, KR· patent location history
2005–2006Based in Gyeonggi-do, KR· patent location history
2011–2013Patents assigned to DOOWON ELECTRONIC CO LTD (2)· patent assignee history
2011–2013Patents assigned to DOOWON TECHNICAL COLLEGE (2)· patent assignee history
2013Patents assigned to KOO IN HWE (1)· patent assignee history
2013Patents assigned to LEE GEON HO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LG ELECTRONICS INC102003–2008
DOOWON ELECTRONIC CO LTD22011–2013
DOOWON TECHNICAL COLLEGE22011–2013
KOO IN HWEself12013
LEE GEON HO12013
Locations
LocationPatentsSpan
Seongnam-si, KR62004–2013
Gyeonggi-do, KR22005–2006
Seongnam, KR22004
Yoingin, KR12004
Seoul, KR12003