Inventor

Weidong Liu

Inventor

Qinhuangdao, CN

Overview

1998–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 83 as inventor

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

B23Qprimary

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling7%

B23BTurning7%

G09GArrangements or circuits for control of indicating devices using static means to present variable information6%

B60BVehicle wheels5%

G01BMeasuring length, thickness or similar linear dimensions4%

C22BProduction and refining of metals3%

G01MTesting static or dynamic balance of machines or structures3%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

H10DInorganic electric semiconductor devices3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

PatentTitleYear

10,828,933Combined wheel2020 10,752,064Fixture for eccentric clamping of wheel2020 10,751,807Material transferring and positioning device for wheel machining center2020 10,752,475Chuck disassembly and transfer device2020 10,730,159High-precision tensioning device2020 10,710,400Wheel having image display2020 10,675,650Protective device for spraying of aluminum alloy wheel2020 10,668,588Fixture for machining wheel outer rim without trace2020 10,661,402Fixture for suppressing tool vibration on outer rim2020 10,627,313Device for detecting wheel hop2020 10,618,121Device for milling wheel window burrs on line2020 10,605,301Secondary clamping device for wheel2020 10,596,671Milling fixture for forged wheel2020 10,569,335Wheel machining tool2020 10,562,106Fixture for improving balance precision of wheel2020 10,562,359Device for inserting inflating valve2020 10,542,467Method and device for establishing a bearer2020 10,533,595Manual adjustable tensioning device2020 10,518,373Flexible clamping device2019 10,512,992Wheel bolt pressing device2019 10,502,663Wheel runout detection device2019 10,502,540Wheel flange detection device2019 10,486,211Blank water blowing device2019 10,464,137Vertical lathe chuck mounting rack2019 10,427,888On-line wheel transfer mechanism2019 10,415,946Wheel center hole size qualification detection device2019 10,399,204Wheel blank positioning end face correction device2019 10,384,272Large-stroke tensioning device in wheel machining process2019 10,359,233Blank water blowing device2019 10,316,303Lactone hydrolase and method of degrading alpha-zearalenol using the same2019 10,274,300Device and method for measuring the thickness and position tolerance of a wheel bolt hole2019 10,259,278Online inflating valve insertion device2019 10,234,275Device for monitoring thickness of wheel valve hole on line2019 10,209,050Wheel center bore detection device2019 10,204,927Display substrate, display device containing the same, and method for fabricating the same2019 10,192,498Multi-domain liquid crystal display device with improved transmittance and viewing angles2019 10,182,645On-line wheel cleaning device2019 10,175,145Online wheel run-out detecting device2019 10,153,273Metal-semiconductor heterodimension field effect transistors (MESHFET) and high electron mobility transistor (HEMT) based device and method of making the same2018 10,144,244Automatic carving device for wheel2018 10,144,988Rotation-suspension smelting method, a burner and a metallurgical equipment2018 10,131,026Device and method for measuring dimensions of back boring cutter2018 10,078,989Multi-domain liquid crystal display device with improved transmittance and viewing angles2018 10,058,883Special wheel spray support2018 9,981,309Wheel mold spraying apparatus2018 9,966,022Display method and display device applied to MVA wide viewing angle liquid crystal screen2018 9,966,011TV set, method of controlling backlight of liquid crystal panel and storage medium2018 9,903,005'Method and device for depleting copper smelting slag'2018 9,889,534'On-line deburring device of wheel valve hole'2018 9,868,159'Steering knuckle drilling device'2018 9,867,878'Method and device for producing crude copper'2018 9,793,350'Multiple layer side-gate FET switch'2017 9,738,893'Method of enhancing miR-185 expression to reduce low density lipoprotein/cholesterol accumulation in a cell'2017 9,626,919'Display method and display device applied to MVA wide viewing angle liquid crystal screen'2017 9,616,448'Wheel spraying device'2017 9,589,511'Driving backlight method, display device and storage medium'2017 9,336,750'Backlight control method and device and liquid crystal display device'2016 9,243,250'Method of enhancing miR-185 expression to reduce low density lipoprotein/cholesterol accumulation in a cell'2016 9,224,361'Method, device and system for compensating brightness of a liquid crystal module'2015 9,122,069'2D/3D polarized display method and device'2015 8,922,365'Methods and systems for monitoring and alerting body temperature'2014 8,896,673'Method, TV set for displaying 3D image and glasses'2014 8,816,699'Voltage source for calibrating a fast transient voltage measurement system and calibration method'2014 8,771,396'Method for producing blister copper directly from copper concentrate'2014 8,663,360'Floating entrainment metallurgical process and reactor'2014 8,515,119'Control unit, a video device including said control unit, and a control method'2013 8,466,936'Color gamut mapping method for multimedia equipment, a television and a color processing apparatus'2013 D0671866'Frame of a stroller'2012 8,174,971'Network switch'2012 8,031,166'Liquid crystal display method and the appratus thereof'2011 7,857,887'Environment-friendly non-noise matte granulation technique'2010 7,709,860'High electron mobility transistor semiconductor device and fabrication method thereof'2010 7,582,518'High electron mobility transistor semiconductor device and fabrication method thereof'2009 7,161,938'Network switch'2007 6,904,039'Packet queuing for a network switch'2005 6,859,271'Platen for automatic sampler'2005 6,846,455'Automatic sampling device'2005 6,823,278'Method and apparatus for positional calibration of a thermal analysis instrument'2004 6,760,679'Method and apparatus for positional calibration of a thermal analysis instrument'2004 6,652,015'Gripper device'2003 6,644,136'Sample tray for automatic sampler'2003 6,384,408'Calibration of a scanning electron microscope'2002 5,789,748'Low voltage electron beam system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2005Patents assigned to TA INSTR WATERS LLC (6)· patent assignee history

2003–2005Based in West Chester, PA, US· patent location history

2010–2019Based in Shandong, CN· patent location history

2011–2019Patents assigned to HISENSE ELECTRIC CO LTD (11)· patent assignee history

2012–2018Patents assigned to LIU WEIDONG (13)· patent assignee history

2013–2016Based in Qingdao, CN· patent location history

2016–2018Patents assigned to HISENSE USA CORP (5)· patent assignee history

2017–2020Patents assigned to CITIC DICASTAL CO LTD (41)· patent assignee history

2017–2020Based in Qinhuangdao, CN· patent location history

2019–2020Based in Hebei, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CITIC DICASTAL CO LTD	41	2017–2020
LIU WEIDONGself	13	2012–2018
HISENSE ELECTRIC CO LTD	11	2011–2019
TA INSTR WATERS LLC	6	2003–2005
HISENSE USA CORP	5	2016–2018

Locations

Location	Patents	Span
Qinhuangdao, CN	35	2017–2020
Shandong, CN	12	2010–2019
Hebei, CN	6	2019–2020
West Chester, Pennsylvania, US	6	2003–2005
Qingdao, CN	5	2013–2016