Inventor
CHI YIN ALAN LEUNG
Inventor
HK
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F21Sprimary
F21SNon-portable lighting devices16%
F21VFunctional features or details of lighting devices or systems thereof13%
H01RElectrically-conductive connections13%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted11%
A47GHousehold or table equipment10%
F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems7%
LOC137%
H05BElectric heating5%
E04HBuildings or like structures for particular purposes3%
H01BCables3%
PatentTitleYear
12,560,290Systems and methods for water resistant decorative light strings202612,534,927Systems and methods for a container with portholes202612,492,809LED light string with transparent and opaque coatings202512,362,523Powered tree construction with rotation limiting202512,241,500Connector systems and methods thereto202512,129,995Systems and methods for controlling decorative lighting202412,114,783Air bed having an improved built-in air pump202412,111,042Variable multi-color LED light string and controller for an artificial tree202412,111,028Systems and methods for water resistant decorative light strings202411,967,790Powered tree construction with rotation limiting202411,946,280Systems and methods for a container with portholes202411,901,684Electrical and mechanical coupling systems for artificial powered trees and associated methods2024D1013637Combined electrical and mechanical connector2024D1012031Combined electrical and mechanical connector202411,799,251Powered tree construction with rotation limiting2023D1000389Combined electrical and mechanical connector2023D0999172Combined electrical and mechanical connector202311,686,460Durable coated and wired diode apparatus202311,602,237Multi-wire quick assemble tree202311,460,179Variable multi-color LED light string and controller for an artificial tree2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2026Patents assigned to POLYGROUP MACAU LTD BVI (9)· patent assignee history
2022–2026Based in HK· patent location history
2023–2026Patents assigned to BELGRAVIA WOOD LTD (11)· patent assignee history
2023–2026Based in CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BELGRAVIA WOOD LTD | 11 | 2023–2026 |
| POLYGROUP MACAU LTD BVI | 9 | 2022–2026 |
Locations
| Location | Patents | Span |
|---|---|---|
| HK | 12 | 2022–2026 |
| CN | 8 | 2023–2026 |