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Inventor

Yong-Rak Kwon

Inventor
Seoul, KR

Overview

6→
Patents
1995–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F02Gprimary
F02GHot gas or combustion-product positive-displacement engine plants36%
F25BRefrigeration machines, plants or systems14%
F16FSprings7%
F17CVessels for containing or storing compressed, liquefied or solidified gases7%
F24FAir-conditioning7%
F25DRefrigerators7%
H01QAntennas, i.e. radio aerials7%
H04BTransmission7%
H04MTelephonic communication7%
PatentTitleYear
11,038,255Mobile terminal20218,615,993'Bearing support system for free-piston stirling machines'20137,171,811'Multiple-cylinder, free-piston, alpha configured stirling engines and heat pumps with stepped pistons'20077,055,321'Suspension mechanism for stirling cycle engine'20065,522,222'Cooling and heating system utilizing a vuilleumier pump'19965,465,580'Cooling and heating water circulation apparatus of Vuilleumier heat pump'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1996Patents assigned to SAMSUNG ELECTRONICS CO LTD (2)· patent assignee history
1995–2021Based in Seoul, KR· patent location history
2006Patents assigned to GLOBAL COOLING B V (1)· patent assignee history
2006–2013Based in Athens, OH, US· patent location history
2007Patents assigned to GLOBAL COOLING BV (1)· patent assignee history
2013Patents assigned to BERCHOWITZ DAVID M (1)· patent assignee history
2013Patents assigned to GLOBAL COOLING INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SAMSUNG ELECTRONICS CO LTD21995–1996
BERCHOWITZ DAVID M12013
GLOBAL COOLING B V12006
GLOBAL COOLING BV12007
GLOBAL COOLING INC12013
Locations
LocationPatentsSpan
Seoul, KR31995–2021
Athens, OH, US32006–2013