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Inventor

Chao-Hsuan Liu

Inventor
New Taipei, TW

Overview

12→
Patents
2004–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification19%
E05BLocks14%
F16LPipes14%
H02JElectric power networks14%
F16KValves10%
B62KCycles5%
E05CBolts or fastening devices for wings, specially for doors or windows5%
F16FSprings5%
F17DPipe-line systems5%
G06FElectric digital data processing5%
PatentTitleYear
10,436,333Air distributor20199,885,437'Fluid shunt device'20189,506,606'Fluid diversion device'20169,197,097'Temperature-controlled power supply system and method'20159,142,974'Configurable power supply system'20159,059,594'Battery switching charger and method for controlling battery switching charger'20158,496,304'Electronic device enclosure'2013D0656597'Humidifier'20128,047,032'Combination lock with two dial plates'20117,975,517'Multistage lock apparatus'20117,383,708'Multistage lock cylinder assembly'20086,698,559'Hydraulic damping device'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2011Based in Taichung, TW· patent location history
2008–2011Patents assigned to LIU CHAO-HSUAN (3)· patent assignee history
2008–2011Patents assigned to LIU WEN-KUEI (3)· patent assignee history
2008–2011Patents assigned to LIU YU-CHUN (3)· patent assignee history
2013Based in Wuhan, CN· patent location history
2015Patents assigned to ENERGY PASS INC (3)· patent assignee history
2015Based in New Taipei, TW· patent location history
2016–2019Patents assigned to FITOK INCORPORATED (3)· patent assignee history
2016–2019Based in Shenzhen, CN· patent location history
2018Based in Guangdong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENERGY PASS INC32015
FITOK INCORPORATED32016–2019
LIU CHAO-HSUANself32008–2011
LIU WEN-KUEI32008–2011
LIU YU-CHUN32008–2011
Locations
LocationPatentsSpan
New Taipei, TW32015
Taichung, TW32004–2011
Shenzhen, CN22016–2019
Guangdong, CN12018
Wuhan, CN12013