Inventor
Duncan Yiu Lung Wong
Inventor
Hong Kong, CN
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines44%
H01RElectrically-conductive connections16%
LOC1316%
B25FCombination or multi-purpose tools not otherwise provided for8%
Y10TTechnical subjects covered by former us classification8%
F04DNon-positive-displacement pumps4%
F16CShafts4%
PatentTitleYear
10,693,351Motor driving assembly20209,543,798'Electric motor'20179,502,849'Commutator'20169,337,703'Thrust bearing assembly'20169,148,038'Fuel pump motor'20159,132,542'Power tool'20159,130,442'Permanent magnet motor'20159,130,438'Permanent magnet motor'2015D0722560'Electric motor'2015D0716227'Electric motor'2014D0716226'Electric motor'20148,648,515'Brush design for electric motor having commutator'20148,492,953'Lamination'20138,294,328'Brush gear of a motor'20128,049,391'Electric motor'2011D0579869'Electric motor'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2020Patents assigned to JOHNSON ELECTRIC SA (16)· patent assignee history
2008–2020Based in Hong Kong, CN· patent location history
2012–2016Patents assigned to LAU JAMES CHING SIK (9)· patent assignee history
2012–2016Patents assigned to WONG DUNCAN YIU LUNG (9)· patent assignee history
2012–2015Patents assigned to JIN CHANG LIN (3)· patent assignee history
2015–2016Patents assigned to CHEUNG CHUN KIT (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOHNSON ELECTRIC SA | 16 | 2008–2020 |
| LAU JAMES CHING SIK | 9 | 2012–2016 |
| WONG DUNCAN YIU LUNGself | 9 | 2012–2016 |
| CHEUNG CHUN KIT | 4 | 2015–2016 |
| JIN CHANG LIN | 3 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hong Kong, CN | 16 | 2008–2020 |