SOFTARD INDUSTRIES CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 5104
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9586189 Catalyst loading device and catalyst loading methodFeb 11, 16Mar 07, 17[B01J, B65B]
7959870 Separator and unloading deviceFeb 24, 09Jun 14, 11[B01J]
7112311 Cooling method of hydrotreating plant and cooling unit thereforOct 31, 01Sep 26, 06[B01J]
6702903 Washing method of petroleum equipment and washing solution for use with the methodOct 11, 02Mar 09, 04[B08B]
6203766 Dumping device of catalyst inside reactor and dumping method using the sameFeb 25, 99Mar 20, 01[B65G, B01J]
5736108 Refrigerant unit in hydrogen treating plantMar 26, 96Apr 07, 98[C01B]
5585075 Catalyst loading structure and a loading method for a reactorApr 28, 94Dec 17, 96[B01J]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6814945 Dumping device of catalyst inside reactor and dumping method using the sameExpiredFeb 07, 01Nov 09, 04[B65G, B01J]
4912071 Method of unloading catalystExpiredOct 28, 87Mar 27, 90[B01J, C10G]

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