Inventor

Chao-Chih Liu

Inventor

Taichung, TW

Overview

2003–2020

Patent span

LOC

Primary field

Patents· 32 as inventor

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

LOC08primary

LOC0835%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding13%

G06FElectric digital data processing10%

B25GHandles for hand implements6%

G11BInformation storage based on relative movement between record carrier and transducer6%

B29CShaping or joining of plastics4%

E21BEarth or rock drilling4%

G01VGeophysics4%

A63FCard, board, or roulette games2%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form2%

PatentTitleYear

10,837,279Determining a mudweight of drilling fluids for drilling through naturally fractured formations2020 10,539,014Determining a mudweight of drilling fluids for drilling through naturally fractured formations2020 10,493,615Hand tool with pivotable head2019 10,471,574Positioning device for socket2019 D0858233Driving portion structure for wrench2019 10,398,054Server2019 D0856126Socket2019 10,353,444Hard disk fixing assembly2019 10,228,734Removable hard disk carrier2019 D0835483Socket2018 D0832068Socket2018 10,016,888Wrench with driver in storage2018 D0821833Driving head for ratchet wrench2018 9,931,737Ratchet wrench with efficient driver changing function2018 D0810535'Plier'2018 D0810534'Plier'2018 D0785422'Wrench'2017 D0785423'Dual-head wrench'2017 D0771453'Ratchet wrench'2016 D0771459'Plier'2016 9,242,366'Hand tool with an angle adjusting mechanism'2016 D0746115'Wrench'2015 9,149,981'Soldering device for plastics adhering'2015 9,111,584'Mounting structure for data storage device and electronic device using the same'2015 8,943,930'Wrench device'2015 D0712712'Part of a tool adaptor'2014 D0700485'Wrench'2014 D0699532'Switching member for a ratchet tool'2014 D0688107'Switching member for a ratchet tool'2013 D0687284'Bracelet for attaching tool bits'2013 D0677536'Switching member for a ratchet tool'2013 D0476963'Outer shell of power box of autocar'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2019Based in Taichung, TW· patent location history

2013–2017Patents assigned to LIU CHAO-CHIH (14)· patent assignee history

2015–2019Patents assigned to INVENTEC CORP (4)· patent assignee history

2015–2019Patents assigned to INVENTEC PUDONG TECH CORP (4)· patent assignee history

2015–2019Based in Taipei, TW· patent location history

2018–2019Patents assigned to LIU CHAO CHIH (10)· patent assignee history

2020Patents assigned to SAUDI ARABIAN OIL CO (2)· patent assignee history

2020Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LIU CHAO-CHIHself	14	2013–2017
LIU CHAO CHIHself	10	2018–2019
INVENTEC CORP	4	2015–2019
INVENTEC PUDONG TECH CORP	4	2015–2019
SAUDI ARABIAN OIL CO	2	2020

Locations

Location	Patents	Span
Taichung, TW	25	2003–2019
Taipei, TW	4	2015–2019
Houston, Texas, US	2	2020