CHINA UNIVERSITY OF MINING AND TECHNOLOGY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B66B ELEVATORS; ESCALATORS OR MOVING WALKWAYS 1416
 
  
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 133
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 1275
 
  
 
E21B EARTH OR ROCK DRILLING 987
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 7152
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 4202
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 318
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 364
 
  
 
E21C MINING OR QUARRYING319
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 3117

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0324,358 FAULT-TOLERANT CONTROL METHOD FOR POSITION SENSOR OF SWITCHED RELUCTANCE MOTORAug 20, 15Nov 09, 17[H02P]
2017/0297,589 Vertical Rope Climbing Inspection Robot for Ultra-Deep Vertical Shaft Steel-Rope GuideDec 28, 15Oct 19, 17[H02K, B61C, B61B, F16H]
2017/0268,338 METHOD FOR EFFICIENTLY TREATING SPONTANEOUS IGNITION OF REMAINING COAL IN LARGE AREA GOAF OF SHALLOW-BURIED COAL BEDAug 11, 15Sep 21, 17[E21F]
2017/0272,022 FOUR-PHASE SWITCHED RELUCTANCE MOTOR TORQUE RIPPLE TWO-LEVEL SUPPRESSION METHODAug 19, 15Sep 21, 17[H02P]
2017/0261,559 METHOD FOR QUANTITATIVE EVALUATION OF SWITCHED RELUCTANCE MOTOR SYSTEM RELIABILITY THROUGH THREE-LEVEL MARKOV MODELDec 28, 15Sep 14, 17[G06N, G01R]
2017/0250,635 BRAKING TORQUE CLOSED-LOOP CONTROL SYSTEM AND METHOD FOR SWITCH RELUCTANCE MOTORNov 30, 15Aug 31, 17[H02P, G05B]
2017/0152,734 METHOD FOR THERMAL-DISPLACEMENT-TYPE STRENGTHENED EXTRACTION IN DRILL HOLEDec 21, 15Jun 01, 17[E21B]
2017/0098,955 ENERGY SUPPLY METHOD AND DEVICE FOR MONITORING WIRELESS SENSOR NODE OF ROLLERMay 13, 15Apr 06, 17[H02J]
2017/0044,673 CO3W3C Fishbone-Like Hard Phase-Reinforced Fe-Based Wear-Resistant Coating and Preparation ThereofAug 06, 15Feb 16, 17[C23C, B22F, C22C]
2017/0003,263 Integrated experimental system of hydrofracturing, water jet slotting, seepage and gas displacement under true triaxial stressApr 20, 15Jan 05, 17[G01L, G01N, G01B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9921202 Integrated experimental system of hydrofracturing, water jet slotting, seepage and gas displacement under true triaxial stressApr 20, 15Mar 20, 18[G01L, G01N, G01B]
9923496 Fault-tolerant control method for position sensor of switched reluctance motorAug 20, 15Mar 20, 18[H02P]
9914618 Method and device for monitoring tension equalization and displacement adjustment states of steel wire ropes of multi-rope hoisterMar 26, 14Mar 13, 18[B66B]
9909941 Hoist main shaft torque monitoring device based on angle measurementMay 29, 14Mar 06, 18[G01L]
9912190 Energy supply method and device for monitoring wireless sensor node of rollerMay 13, 15Mar 06, 18[H02J, H04W]
9906182 Three-phase switched reluctance motor torque ripple two-level suppression methodAug 19, 15Feb 27, 18[H02P]
9878882 Large-tonnage slender externally powered curve rail-mounted unloading skipMar 26, 14Jan 30, 18[B66B]
9869168 Method for thermal-displacement-type strengthened extraction in drill holeDec 09, 15Jan 16, 18[E21B]
9869178 Method for efficiently treating spontaneous ignition of remaining coal in large area goaf of shallow-buried coal bedAug 11, 15Jan 16, 18[E21F, A62C]
9871476 Braking torque closed-loop control system and method for switch reluctance motorNov 30, 15Jan 16, 18[H02P, G05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0138,397 ANCHORING AND ANTI-CLOGGING DRILL ROD FOR COAL MINE FLOORAbandonedJan 25, 16May 19, 16[E21D, E21B]
7717649 Suspending hydraulic pillarExpiredDec 31, 05May 18, 10[E21D]
5392922 High capacity dry separation apparatus with air-heavy medium fluidized bedExpiredOct 12, 93Feb 28, 95[B03B]

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