Inventor

Chel-Woong Lee

Inventor

Seoul, KR

Overview

2003–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 30 as inventor

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

F04Bprimary

F04BPositive-displacement machines for liquids49%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters18%

F25BRefrigeration machines, plants or systems7%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g4%

F24FAir-conditioning4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

A61KPreparations for medical, dental or toiletry purposes2%

A61LMethods or apparatus for sterilising materials or objects in general2%

F25DRefrigerators2%

G01SRadio direction-finding2%

PatentTitleYear

11,071,807Liquid composition including alginic acid or pharmaceutically acceptable salt thereof and colloidal polysaccharide2021 9,086,233'Control method of refrigerator'2015 8,277,199'Apparatus and method for controlling operation of linear compressor'2012 8,221,091'Driving controlling apparatus for reciprocating compressor and method thereof'2012 8,109,736'Apparatus and method for controlling operation of a linear compressor using a phase difference inflection point detecting unit'2012 8,100,668'Apparatus and method for controlling operation of a linear compressor using a detected inflection point'2012 7,845,912'Driving controlling apparatus for linear compressor and method thereof'2010 7,665,972'Apparatus and method for controlling operation of reciprocating compressor'2010 7,628,591'Apparatus and method for controlling operation of compressor'2009 7,547,197'Driving controlling apparatus for linear compressor and method thereof'2009 7,520,730'Apparatus and method for controlling operation of compressor'2009 7,468,588'Apparatus and method for controlling operation of reciprocating compressor'2008 7,459,868'Apparatus for controlling operation of reciprocating compressor and method thereof'2008 7,456,592'Apparatus and method for controlling operation of reciprocating compressor'2008 7,453,229'Apparatus and method for controlling operation of reciprocating compressor'2008 7,408,310'Apparatus for controlling driving of reciprocating compressor and method thereof'2008 7,402,976'Apparatus and method for controlling operation of compressor'2008 7,402,977'Apparatus and method for controlling operation of reciprocating motor compressor'2008 7,352,142'Apparatus and method for controlling stroke of reciprocating compressor'2008 7,341,432'Apparatus and method for controlling operation of reciprocating compressor'2008 7,335,001'Apparatus and method for controlling operation of a reciprocating compressor'2008 7,271,563'Apparatus for controlling operation of reciprocating compressor, and method therefor'2007 6,930,462'Apparatus and method for controlling operation of compressor'2005 6,851,934'Stroke control apparatus of reciprocating compressor and method thereof'2005 6,815,922'Apparatus and method for controlling operation of compressor'2004 6,685,438'Apparatus and method for controlling operation of reciprocating compressor'2004 6,682,310'Apparatus and method for controlling operation of reciprocating motor compressor'2004 6,616,414'Apparatus and method for controlling a compressor'2003 6,565,327'Circuit for driving linear compressor'2003 6,541,953'Apparatus for detecting shaking of stroke of linear compressor and method therefor'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2015Patents assigned to LG ELECTRONICS INC (29)· patent assignee history

2003–2015Based in Seoul, KR· patent location history

2012Patents assigned to LEE CHEL-WOONG (4)· patent assignee history

2012Patents assigned to SUNG JI-WON (3)· patent assignee history

2012Patents assigned to YOO JAE-YOO (3)· patent assignee history

2015Patents assigned to CHUN CHAN HO (1)· patent assignee history

2021Based in Suwon-si, KR· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LG ELECTRONICS INC	29	2003–2015
LEE CHEL-WOONGself	4	2012
SUNG JI-WON	3	2012
YOO JAE-YOO	3	2012
CHUN CHAN HO	1	2015

Locations

Location	Patents	Span
Seoul, KR	29	2003–2015
Suwon-si, KR	1	2021