Hwang; Il Nahm

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hwang; Il Nahm.The latest application filed is for "system and method for controlling air conditioner".

Company Profile

0.13.21

Hwang; Il Nahm - Yongin-si KR
Hwang; Il Nahm - Ansan-si KR
Hwang; Il Nahm - Gyeonggi-do KR
Hwang, Il-Nahm - Ansan KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Simultaneous heating/cooling multi air conditioner Grant 8,091,377 - Jeong , et al. January 10, 2	2012-01-10
Method for controlling multi-unit air conditioning system Grant 7,854,138 - Hwang , et al. December 21, 2	2010-12-21
Apparatus and method for controlling super-heating degree in heat pump system Grant 7,617,694 - Hwang , et al. November 17, 2	2009-11-17
Multi-unit air conditioner and method for controlling the same Grant 7,600,389 - Kim , et al. October 13, 2	2009-10-13
Apparatus for preventing liquid refrigerant accumulation of air conditioner and method thereof Grant 7,584,624 - Hwang , et al. September 8, 2	2009-09-08
Method for controlling air conditioner Grant 7,472,559 - Park , et al. January 6, 2	2009-01-06
System And Method For Controlling Air Conditioner App 20080209928 - Hwang; Il Nahm ; et al.	2008-09-04
Air conditioner and outdoor unit therefor Grant 7,407,002 - Jang , et al. August 5, 2	2008-08-05
Simultaneous Heating/cooling Multi Air Conditioner App 20080022710 - Jeong; Ho Jong ; et al.	2008-01-31
Control method for multiple heat pump Grant 7,272,943 - Hwang , et al. September 25, 2	2007-09-25
Refrigerant bypassing and filtering apparatus of air conditioner and method for controlling the same Grant 7,263,846 - Hwang , et al. September 4, 2	2007-09-04
Control method for four-way valve of multiple heat pump Grant 7,181,917 - Hwang , et al. February 27, 2	2007-02-27
Heat pump air conditioner App 20060156751 - Hwang; Il Nahm ; et al.	2006-07-20
Multi-unit air conditioner and method for controlling the same App 20060123815 - Kim; Ki Bum ; et al.	2006-06-15
Multi-air conditioner and group-unit control method thereof App 20060123811 - Ha; Do Yong ; et al.	2006-06-15
Method for controlling multi-unit air conditioning system App 20060117777 - Hwang; Il Nahm ; et al.	2006-06-08
Indoor unit of air conditioner App 20060107684 - Hwang; Il Nahm ; et al.	2006-05-25
Refrigerant bypassing and filtering apparatus of air conditioner and method for controlling the same App 20060107688 - Hwang; Il Nahm ; et al.	2006-05-25
Outdoor-unit software upgrade system and method App 20060106912 - Kim; Ki-bum ; et al.	2006-05-18
Control method for multiple heat pump App 20050193749 - Hwang, Il Nahm ; et al.	2005-09-08
Control method for four-way valve of multiple heat pump App 20050193748 - Hwang, Il Nahm ; et al.	2005-09-08
System and method for recycling oil in air conditioner App 20050092000 - Hwang, Il-Nahm ; et al.	2005-05-05
Air conditioner having multiple outdoor units, and control method thereof App 20050086954 - Song, Jin-Seob ; et al.	2005-04-28
System and method for controlling air conditioner App 20050081540 - Hwang, Il Nahm ; et al.	2005-04-21
Apparatus for preventing liquid refrigerant accumulation of air conditioner and method thereof App 20050081537 - Hwang, Il Nahm ; et al.	2005-04-21
Apparatus and method for controlling supper-heating degree in heat pump system App 20050081539 - Hwang, Il Nahm ; et al.	2005-04-21
Air conditioner and outdoor unit therefor Grant 6,851,273 - Jang , et al. February 8, 2	2005-02-08
Air conditioner and outdoor unit therefor App 20040226711 - Jang, Sae-Dong ; et al.	2004-11-18
Method for controlling air conditioner App 20040221593 - Park, Young Min ; et al.	2004-11-11
Air conditioner and outdoor unit therefor App 20040216480 - Jang, Sae-Dong ; et al.	2004-11-04
Multi-unit air conditioner and method for controlling the same Grant 6,772,600 - Hwang August 10, 2	2004-08-10
Multi-unit air conditioner and method for controlling the same Grant 6,755,038 - Hwang June 29, 2	2004-06-29
Multi-unit air conditioner and method for controlling the same App 20030230096 - Hwang, Il Nahm	2003-12-18
Multi-unit air conditioner and method for controlling the same App 20030230100 - Hwang, Il Nahm	2003-12-18

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