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Inventor

Alton Leung

Inventor
Tsuen Wan, HK

Overview

3→
Patents
2001–2010
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F21Vprimary
F21VFunctional features or details of lighting devices or systems thereof25%
F21LLighting devices or systems thereof, being portable or specially adapted for transportation13%
F21SNon-portable lighting devices13%
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 emitted13%
H05BElectric heating13%
LOC2613%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
PatentTitleYear
7,845,827'LED spotlight'20106,394,630'Remote control lantern with automatic shut-off feature'2002D0443088'Lantern'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2010Patents assigned to COLEMAN CO (3)· patent assignee history
2001–2002Based in Tsuen Wan, HK· patent location history
2010Based in Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COLEMAN CO32001–2010
Locations
LocationPatentsSpan
Tsuen Wan, HK22001–2002
Hong Kong, CN12010