Inventor
Yongkyu Choi
Inventor
Seoul, KR
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids70%
F01CRotary-piston or oscillating-piston machines or engines20%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g10%
PatentTitleYear
11,092,154Scroll compressor202110,711,782Scroll compressor with wrap contour modification202010,648,470Scroll compressor having wrap with an offset portion202010,570,899Scroll compressor having scroll with oil dimples202010,533,551Scroll compressor having wrap with reinforcing portion202010,208,752Scroll compressor201910,202,978Scroll compressor201910,132,314Scroll compressor201810,125,767Scroll compressor with bypass portions201810,041,493Scroll compressor20189,951,773Scroll compressor with recesses and protrusions20189,920,760'Scroll compressor'20189,726,177'Scroll compressor'20179,683,568'Scroll compressor having an area of bypass holes formed at a compression chamber with a larger volume reduction gradient larger than an area of bypass holes at the other compression chamber'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2021Patents assigned to LG ELECTRONICS INC (14)· patent assignee history
2017–2021Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG ELECTRONICS INC | 14 | 2017–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seoul, KR | 14 | 2017–2021 |