Lee; Hyungsik

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lee; Hyungsik.The latest application filed is for "system for increasing flue gas side draft of heater assemblies using a draft booster impeller assembly".

Company Profile

0.6.9

Lee; Hyungsik - Houston TX
Lee; Hyungsik - Mequon WI US
Lee; Hyungsik - Fairfax VA
Lee; Hyungsik - Port Washington WI

*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
System For Increasing Flue Gas Side Draft Of Heater Assemblies Using A Draft Booster Impeller Assembly App 20180340686 - Lee; Hyungsik ; et al.	2018-11-29
Fired Heater With Heat Pipe Preheater App 20170363288 - Lee; Hyungsik ; et al.	2017-12-21
Heating device having a secondary safety circuit for a fuel line and method of operating the same Grant 9,228,746 - Hughes , et al. January 5, 2	2016-01-05
Field Enhanced Separation Of Hydrocarbon Fractions App 20140197075 - Prentice; Krista Marie ; et al.	2014-07-17
Condensing Air Preheater With Heat Pipes App 20140131010 - LEE; Hyungsik ; et al.	2014-05-15
Water heater Grant 8,161,918 - Ma , et al. April 24, 2	2012-04-24
Water Heater App 20100043728 - Ma; Hongfei ; et al.	2010-02-25
Water Heater With High Efficiency Baffles App 20090241858 - Lee; Hyungsik ; et al.	2009-10-01
Heating device having a thermal cut-off circuit for a fuel line and method of operating the same Grant 7,438,023 - Lee , et al. October 21, 2	2008-10-21
Water heater with noise attenuation Grant 7,316,206 - Akkala , et al. January 8, 2	2008-01-08
Heating Device Having A Thermal Cut-off Circuit For A Fuel Line And Method Of Operating The Same App 20070284000 - Lee; Hyungsik ; et al.	2007-12-13
Heating Device Having A Secondary Safety Circuit For A Fuel Line And Method Of Operating The Same App 20070281257 - Hughes; Dennis R. ; et al.	2007-12-06
Water heater with noise attenuation App 20060237006 - Akkala; Marc W. ; et al.	2006-10-26
Gas heating device control Grant 7,051,683 - Lee , et al. May 30, 2	2006-05-30

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