Assignee
LIU SUHUA
CN·4 granted patents·12 pending applications·0 citations·filing 2013–2022
Top patents by PatentIndex Score
16 records- 0147US11846188B2Method for rotary clearing in stripping tooth holder of mining machine and rotary clearing device in stripping tooth holderLIU SUHUA·Filed 2020·Granted Dec 19, 2023·0 cites·8 claims
- 0247US2024209592A1Low-Thickness Rolling Guide Telescopic Rocker ArmLIU SUHUA·Filed 2022·Application pending·0 cites
- 0339US12070917B2Manufacturing process tool and manufacturing process method for lateral positioning strip toothed beltLIU SUHUA·Filed 2020·Granted Aug 27, 2024·0 cites·13 claims
- 0439US2016265355A1Method for reciprocating punching/raking/loading by power box on excavator, and excavator having power box capable of reciprocating punching/raking/loadingLIU SUHUA·Filed 2014·Application pending·0 cites
- 0539US2016273357A1Method of loading material by curved auxiliary rocker arm on mining machine, and mining machine having curved auxiliary rocker arm capable of loading material for implementing said methodLIU SUHUA·Filed 2014·Application pending·0 cites
- 0637US2015315909A1Method for arranging rolling-friction stretching and retraction based rolling stroke sections of a rocker arm in parallel, and an excavator or loader comprising a rocker arm having rolling stroke sections arranged in parallelLIU SUHUA·Filed 2013·Application pending·0 cites
- 0737US2015337657A1Easily removable reciprocating impact head with anti-rotation insertion hole for mining machineLIU SUHUA·Filed 2014·Application pending·0 cites
- 0836US2015137580A1High-efficiency mining method for percussing falling-materials without trapping materials and high-efficiency mining machine for percussing falling-materials without trapping materialsLIU SUHUA·Filed 2013·Application pending·0 cites
- 0936US2015322784A1Method of device for converting rotary motion to reciprocating percussion motion and device for converting rotary motion to reciprocating percussion motion that implements the methodLIU SUHUA·Filed 2013·Application pending·0 cites
- 1036US2015145316A1Small-resistance high-efficiency mining device with multiple layers of percussion headsLIU SUHUA·Filed 2013·Application pending·0 cites
- 1135US2015130256A1Rolling friction or suspension friction impact mining method and wear-resistant impact mining machine using said methodLIU SUHUA·Filed 2013·Application pending·0 cites
- 1235US2021140316A1Reciprocating impact bevel tooth discharging shovel of reciprocating impact mining machineLIU SUHUA·Filed 2019·Application pending·0 cites
- 1334US10180066B2Method for directionally swaying and resetting harrow teeth of rolling harrow loader-excavator and rolling harrow loader-excavator with directional sway and reset harrow teeth for implementing such methodLIU SUHUA·Filed 2014·Granted Jan 15, 2019·0 cites·15 claims
- 1433US2021156250A1Advance and Retreat Automatic Control Method Based on Hydraulic Sensing Conversion and Advance and Retreat Automatic Control System Based on Hydraulic Sensing ConversionLIU SUHUA·Filed 2018·Application pending·0 cites
- 1528US2016327162A1Floating sealing method of floating bushing sealing reciprocating impact apparatus and floating sealing reciprocating impact apparatus of sealing floating bushing of mining loaderLIU SUHUA·Filed 2015·Application pending·0 cites
- 1626US10400597B2Non-concentric protruding shaft fixed bearing reciprocating impact part for implementing reciprocating impact part non-concentric protruding shaft fixed bearing methodLIU SUHUA·Filed 2015·Granted Sep 3, 2019·0 cites·15 claims
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