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Inventor

Siu Wai Hui

Inventor
Kowloon, CN

Overview

6→
Patents
2003–2013
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning100%
PatentTitleYear
8,365,347'Wet/dry floor cleaning unit'20137,533,442'Wet/dry floor cleaning unit and method of cleaning'20097,178,196'Tank arrangement for a floor care appliance'20076,842,942'Nozzle assembly removal arrangement'20056,832,409'Wet/dry floor cleaning unit and method of cleaning'20046,647,578'Brush assembly removal device'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2007Patents assigned to HOOVER CO (4)· patent assignee history
2003–2009Based in Kowloon, CN· patent location history
2009Patents assigned to HEALTHY GAIN INVEST LTD (1)· patent assignee history
2013Patents assigned to BRADSHAW DAVID A (1)· patent assignee history
2013Patents assigned to GERBER DOUGLAS E (1)· patent assignee history
2013Patents assigned to HUI SIU WAI (1)· patent assignee history
2013Based in Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOOVER CO42003–2007
BRADSHAW DAVID A12013
GERBER DOUGLAS E12013
HEALTHY GAIN INVEST LTD12009
HUI SIU WAIself12013
Locations
LocationPatentsSpan
Kowloon, CN52003–2009
Hong Kong, CN12013