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Suhua Liu
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Shandong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Method for rotary clearing in stripping tooth holder of mining mach...
Patent number
11,846,188
Issue date
Dec 19, 2023
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Non-concentric protruding shaft fixed bearing reciprocating impact...
Patent number
10,400,597
Issue date
Sep 3, 2019
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for directionally swaying and resetting harrow teeth of roll...
Patent number
10,180,066
Issue date
Jan 15, 2019
Suhua Liu
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Patents Applications
last 30 patents
Information
Patent Application
Low-Thickness Rolling Guide Telescopic Rocker Arm
Publication number
20240209592
Publication date
Jun 27, 2024
Suhua Liu
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Method for Rotary Clearing in Stripping Tooth Holder of Mining Mach...
Publication number
20220372875
Publication date
Nov 24, 2022
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
Advance and Retreat Automatic Control Method Based on Hydraulic Sen...
Publication number
20210156250
Publication date
May 27, 2021
Suhua LIU
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
RECIPROCATING IMPACT BEVEL TOOTH DISCHARGING SHOVEL OF RECIPROCATIN...
Publication number
20210140316
Publication date
May 13, 2021
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
RECIPROCATING IMPACT SLACK-DROP/ROTATING/RAKING MULTIFUNCTIONAL POW...
Publication number
20170009579
Publication date
Jan 12, 2017
Suhua LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
NON-CONCENTRIC PROTRUDING SHAFT FIXED BEARING RECIPROCATING IMPACT...
Publication number
20170002656
Publication date
Jan 5, 2017
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
FLOATING SEALING METHOD OF FLOATING BUSHING SEALING RECIPROCATING I...
Publication number
20160327162
Publication date
Nov 10, 2016
Suhua LIU
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD OF LOADING MATERIAL BY CURVED AUXILIARY ROCKER ARM ON MINING...
Publication number
20160273357
Publication date
Sep 22, 2016
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR DIRECTIONALLY SWAYING AND RESETTING HARROW TEETH OF ROLL...
Publication number
20160265357
Publication date
Sep 15, 2016
Suhua Liu
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
METHOD FOR RECIPROCATING PUNCHING/RAKING/LOADING BY POWER BOX ON EX...
Publication number
20160265355
Publication date
Sep 15, 2016
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
EASILY REMOVABLE RECIPROCATING IMPACT HEAD WITH ANTI-ROTATION INSER...
Publication number
20150337657
Publication date
Nov 26, 2015
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD OF DEVICE FOR CONVERTING ROTARY MOTION TO RECIPROCATING PERC...
Publication number
20150322784
Publication date
Nov 12, 2015
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR ARRANGING ROLLING-FRICTION STRETCHING AND RETRACTION BAS...
Publication number
20150315909
Publication date
Nov 5, 2015
Suhua Liu
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
SMALL-RESISTANCE HIGH-EFFICIENCY MINING DEVICE WITH MULTIPLE LAYERS...
Publication number
20150145316
Publication date
May 28, 2015
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
HIGH-EFFICIENCY MINING METHOD FOR PERCUSSING FALLING-MATERIALS WITH...
Publication number
20150137580
Publication date
May 21, 2015
Suhua Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
ROLLING FRICTION OR SUSPENSION FRICTION IMPACT MINING METHOD AND WE...
Publication number
20150130256
Publication date
May 14, 2015
Suhua Liu
E21 - EARTH DRILLING MINING