Inventor
Dongkeun Yang
Inventor
Seoul, KR
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F24Fprimary
F24FAir-conditioning20%
F04DNon-positive-displacement pumps13%
B23KSoldering or unsoldering10%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants10%
F04FPumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped7%
F25BRefrigeration machines, plants or systems7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
B01DSeparation3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
PatentTitleYear
10,953,497Method for laser welding steel workpieces202110,953,494Remote laser welding of overlapping metal workpieces at fast speeds202110,946,479Laser spot welding of overlapping aluminum workpieces202110,483,570Fuel cell and method for operating the same201910,422,560Ejector and refrigeration cycle apparatus including ejector201910,418,653Fuel reforming device with heat storage member201910,345,018Ejector and refrigeration cycle apparatus having ejector201910,302,091Air blower and air conditioner having the same201910,132,328Centrifugal fan201810,107,507Outdoor unit of air conditioner20189,587,841'Turbo fan and ceiling type air conditioner using the same'20179,335,059'Ceiling type air conditioner'20169,266,049'Air-conditioner and controlling method thereof'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2019Patents assigned to LG ELECTRONICS INC (10)· patent assignee history
2016–2019Based in Seoul, KR· patent location history
2021Patents assigned to GM GLOBAL TECH OPERATIONS LLC (3)· patent assignee history
2021Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG ELECTRONICS INC | 10 | 2016–2019 |
| GM GLOBAL TECH OPERATIONS LLC | 3 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 10 | 2016–2019 |
| Shanghai, CN | 3 | 2021 |