METAWATER CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 1738
 
  
 
B01D SEPARATION 14120
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 5201
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF475
 
  
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS214
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
F23G CREMATION FURNACES; CONSUMING WASTE BY COMBUSTION210
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT248
 
  
 
B04B CENTRIFUGES 126
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0138,853 MEASURING METHOD AND MEASURING SYSTEM OF BROMATE ION CONCENTRATIONJan 30, 17May 18, 17[G01N]
2015/0315,039 METHOD FOR TREATING WATER CONTAINING WATER-INSOLUBLE SUBSTANCEDec 04, 13Nov 05, 15[C02F, B01D]
2015/0008,175 TRANSVERSE-MOUNTED MEMBRANE FILTRATION APPARATUSSep 23, 14Jan 08, 15[C02F, B01D]
2014/0076,788 SEWAGE TREATMENT SYSTEMNov 25, 13Mar 20, 14[C02F, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9868091 Transverse-mounted membrane filtration apparatusSep 23, 14Jan 16, 18[C02F, B01D]
9857304 Measuring method and measuring system of bromate ion concentrationJan 30, 17Jan 02, 18[G01N]
9737896 Screw conveyor type separation apparatus and wastewater treatment systemNov 08, 16Aug 22, 17[B04B, B30B, C02F, B01D]
D780886 Filter housing case for use in a microbial water samplerAug 11, 15Mar 07, 17[2301]
D775712 Filter housing for use in a microbial water samplerAug 11, 15Jan 03, 17[2301]
9522832 Wastewater treatment apparatus, wastewater treatment method, wastewater treatment system, control device, and control methodSep 09, 14Dec 20, 16[C02F]
9302923 Wastewater treatment apparatus, wastewater treatment method, wastewater treatment system, control device, and control methodSep 09, 14Apr 05, 16[C02F]
9028695 Process for producing reclaimed water and system for producing reclaimed waterSep 22, 11May 12, 15[C02F, B01D]
9023654 Method and apparatus for measuring bromate ionsJan 02, 14May 05, 15[G01N]
8968569 Method for recycling wastewaterDec 24, 08Mar 03, 15[C02F, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0259,807 FILTERING AND CONDENSING APPARATUS OF SUCTION TYPEAbandonedFeb 19, 09Oct 27, 11[B01D]
2011/0233,131 FILTERING AND CONDENSING APPARATUS OF SUCTION TYPEAbandonedFeb 19, 09Sep 29, 11[B01D]
2010/0326,912 PROCESS FOR PRODUCING RECLAIMED WATERAbandonedSep 01, 10Dec 30, 10[C02F]
2010/0330,694 BROMATE ION MEASUREMENT METHOD AND APPARATUSAbandonedMar 18, 09Dec 30, 10[G01N]
2010/0084,338 METHOD AND APPARATUS FOR TREATING BALLAST WATERAbandonedMar 18, 08Apr 08, 10[C02F]

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