YANSHAN UNIVERSITY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 243
 
  
 
C22C ALLOYS 270
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B21B ROLLING OF METAL 131
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 128
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 165
 
  
 
B82Y SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE  OR TREATMENT OF NANO-STRUCTURES152

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9613759 Method for preparing fluorine/nitrogen co-doped graphitized carbon microspheres with high volumetric specific capacitanceMar 30, 15Apr 04, 17[C01B, H01G]
9422161 Ultrahard nanotwinned boron nitride bulk materials and synthetic method thereofAug 02, 13Aug 23, 16[C01B, B82Y, C04B, B01J]
9347317 Shaft rotating double-stator multi-speed motor with curves of constant widthMar 28, 11May 24, 16[F01C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0144,557 METHOD FOR PRODUCING LOW TEMPERATURE BAINITE STEEL CONTAINING ALUMINUMAbandonedSep 24, 13May 29, 14[C21D]
2010/0295,202 Fabrication of High Performance Densified Nanocrystalline Bulk Thermoelectric Materials Using High Pressure Sintering TechniqueAbandonedAug 14, 09Nov 25, 10[H01L]

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