Inventor

Ching-Wen Liu

Inventor

Taichung, TW

Overview

2000–2016

Patent span

LOC

Primary field

Patents· 27 as inventor

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

LOC23primary

LOC2357%

F04DNon-positive-displacement pumps20%

B62MRider propulsion of wheeled vehicles or sledges7%

F03DWind motors3%

F21SNon-portable lighting devices3%

F21VFunctional features or details of lighting devices or systems thereof3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

9,506,644'Ceiling fan lighting system'2016 D0726297'Ceiling fan'2015 D0716438'Ceiling fan'2014 8,292,585'Fan device having simultaneously foldable blades'2012 8,133,028'Cooling fan structure'2012 8,092,180'Blade assembly for a ceiling fan'2012 D0630724'Ceiling fan blade'2011 D0629501'Ceiling fan'2010 D0625403'Ceiling fan'2010 D0604829'Ceiling fan blade'2009 D0596285'Ceiling fan blade'2009 D0543617'Ceiling fan blade'2007 6,758,654'Advertising ceiling fan'2004 D0480464'Advertising ceiling fan'2003 6,514,054'Ceiling fan housing assembly'2003 6,487,936'Auxiliary-bicycle torsion sensing and large gear plate minimization apparatus'2002 D0463020'Ceiling fan'2002 D0462756'Combined ceiling fan motor housing and bracket unit'2002 6,364,638'Ceiling fan structure'2002 D0451996'Ceiling fan support rod, motor housing, and bracket unit'2001 D0451995'Combined ceiling fan motor housing and brackets unit'2001 D0451189'Combined ceiling fan motor housing and brackets unit'2001 6,280,145'Suspending structure of ceiling fan'2001 D0433746'Central band part for a ceiling fan'2000 D0433114'Ceiling fan'2000 D0432228'Lower cover of a ceiling fan'2000 6,080,073'Electric auxiliary apparatus for bicycle'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2016Patents assigned to PAN AIR ELECTRIC CO LTD (23)· patent assignee history

2000–2016Patents assigned to LIU CHING-WEN (8)· patent assignee history

2000–2002Patents assigned to IND TECH RES INST (2)· patent assignee history

2000–2016Based in Taichung, TW· patent location history

2000–2001Based in Fengyuan, TW· patent location history

2000–2002Based in Changhua County, TW· patent location history

2002–2003Based in Feng Yuan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PAN AIR ELECTRIC CO LTD	23	2000–2016
LIU CHING-WENself	8	2000–2016
IND TECH RES INST	2	2000–2002

Locations

Location	Patents	Span
Taichung, TW	17	2000–2016
Fengyuan, TW	5	2000–2001
Feng Yuan, TW	3	2002–2003
Changhua County, TW	2	2000–2002