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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Scroll compressor with improved back pressure force control function
Patent number
8,550,797
Issue date
Oct 8, 2013
DOOWON Technical College
Geon Ho Lee
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Inverter connection terminal with cables attached to parts of the t...
Patent number
7,955,141
Issue date
Jun 7, 2011
Doowon Technical College
Se Hoon Jang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor
Patent number
7,341,440
Issue date
Mar 11, 2008
LG Electronics Inc.
Cheol Hwan Kim
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor
Patent number
7,316,550
Issue date
Jan 8, 2008
LG Electronics Inc.
Cheol Hwan Kim
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Back pressure apparatus for orbiting vane compressors
Patent number
7,309,220
Issue date
Dec 18, 2007
LG Electronics Inc.
Seon-woong Hwang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vacuum preventing device of scroll compressor
Patent number
7,018,180
Issue date
Mar 28, 2006
LG Electronics Inc.
In-Hwe Koo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Vacuum preventing device of scroll compressor
Patent number
6,893,229
Issue date
May 17, 2005
LG Electronics Inc.
Song Choi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Rotation preventive device for scroll compressor
Patent number
6,752,606
Issue date
Jun 22, 2004
LG Electronics Inc.
In Hwe Koo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Discharge valve assembly of fluid machinery
Patent number
6,748,971
Issue date
Jun 15, 2004
LG Electronics, Inc.
In-Hwe Koo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor
Patent number
6,695,600
Issue date
Feb 24, 2004
LG Electronics Inc.
In-Hwe Koo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Variable quantity control apparatus for variable radius type scroll...
Patent number
6,676,391
Issue date
Jan 13, 2004
LG Electronics Inc.
In Hwe Koo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR CONTROLLING ELECTRIC COMPRESSOR
Publication number
20120100012
Publication date
Apr 26, 2012
DOOWON ELECTRONICS CO., LTD.
Geon Ho Lee
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
METHOD OF CONTROLLING INVERTER-INTEGRATED ELECTRIC COMPRESSOR FOR V...
Publication number
20110196573
Publication date
Aug 11, 2011
DOOWON TECHNICAL COLLEGE
Geon Ho Lee
B60 - VEHICLES IN GENERAL
Information
Patent Application
SCROLL COMPRESSOR WITH IMPROVED BACK PRESSURE CONTROL FUNCTION
Publication number
20110194964
Publication date
Aug 11, 2011
DOOWON TECHNICAL COLLEGE
Geon Ho Lee
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
INVERTER CONNECTION TERMINAL ASSEMBLY FOR ELECTRIC COMPRESSOR
Publication number
20100141066
Publication date
Jun 10, 2010
DOOWON TECHNICAL COLLEGE
Se Hoon Jang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Back pressure apparatus for orbiting vane compressors
Publication number
20060127263
Publication date
Jun 15, 2006
LG ELECTRONICS INC.
Seon-woong Hwang
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Oil discharge reducing device for scroll compressor
Publication number
20060078452
Publication date
Apr 13, 2006
LG Electronics Inc.
Jin-Sung Park
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Scroll compressor having refrigerant gas guide structure
Publication number
20060062682
Publication date
Mar 23, 2006
LG ELECTRONICS INC.
Nam-Kyu Cho
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Scroll compressor
Publication number
20050152802
Publication date
Jul 14, 2005
LG ELECTRONICS INC.
Cheol Hwan Kim
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Scroll compressor
Publication number
20050058565
Publication date
Mar 17, 2005
LG ELECTRONICS INC.
Cheol Hwan Kim
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Vacuum preventing device of scroll compressor
Publication number
20040126259
Publication date
Jul 1, 2004
Song Choi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
SCROLL COMPRESSOR
Publication number
20030223899
Publication date
Dec 4, 2003
In-Hwe Koo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Vacuum preventing device of scroll compressor
Publication number
20030206813
Publication date
Nov 6, 2003
LG ELECTRONICS INC.
In-Hwe Koo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Discharge valve assembly of fluid machinery
Publication number
20030070712
Publication date
Apr 17, 2003
In-Hwe Koo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Variable quantity control apparatus for variable radius type scroll...
Publication number
20030039570
Publication date
Feb 27, 2003
In Hwe Koo
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Rotation preventive device for scroll compressor
Publication number
20020187063
Publication date
Dec 12, 2002
In Hwe Koo
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES