Hoei Shokai Co., Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 414
 
  
 
1205 ELEVATORS AND HOISTS FOR LOADING OR CONVEYING316
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 247
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 141

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7611664 Container for supplying molten metal and safety deviceFeb 13, 03Nov 03, 09[B22D]
7514034 Container capable of transporting molten metal received therein to separate factory and method of producing the containerJun 02, 03Apr 07, 09[C21C, C21B]
7507366 Container, storing bath and a method of producing the containerFeb 21, 05Mar 24, 09[C21C, C21B]
7481966 System for supplying molten metal, container and a vehicleJul 20, 05Jan 27, 09[B22D]
7452498 Pressure-regulating device, transportation vehicle, and pressure difference-controlling unitDec 01, 03Nov 18, 08[B67D]
7396504 Method for supplying molten metal, system for supplying molten metal, producing method for producing aluminum, producing method for producing aluminum molding product, producing method of automobile, transporting vehicle, container, and apparatus for supplying molten metalJun 22, 01Jul 08, 08[C21C]
7381383 Treating apparatus, treating method and method of treating soilNov 10, 00Jun 03, 08[B01J]
D551421 Forklift truckJun 02, 06Sep 18, 07[1205]
D551422 Forklift truckJun 02, 06Sep 18, 07[1205]
D551423 Forklift truckJun 02, 06Sep 18, 07[1205]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7531127 ContainerExpiredNov 09, 05May 12, 09[B22D]
2009/0005,630 TREATMENT METHOD AND SOIL TREATMENT METHODAbandonedApr 09, 08Jan 01, 09[A62D]
2008/0255,401 Processing Apparatus, Processing Method and Method of Processing Innoxious ObjectAbandonedAug 25, 05Oct 16, 08[A62D, B01J]
2008/0145,685 Lump Object and Method of Producing the SameAbandonedFeb 07, 05Jun 19, 08[C22B, B22F, H01F]

Top Inventors for This Owner

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