INVENT UMWELT-UND VERFAHRENSTECHNIK AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 1428
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 550
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT545
 
  
 
B01D SEPARATION 3131
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0053,625 ARRANGEMENT AND METHOD FOR PRODUCING A FLOW IN A WASTEWATER TREATMENT TANKMar 20, 13Feb 26, 15[B01F, C02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9687798 Horizontal agitatorMar 20, 13Jun 27, 17[B01F]
9586161 Device for decanting a supernatant received in a clarifierMar 20, 13Mar 07, 17[G05D, C02F, B01D]
9556047 Device for gassing liquidsJun 06, 11Jan 31, 17[B01F, C02F]
9433879 DecanterNov 26, 12Sep 06, 16[B01D]
9393534 Horizontal agitatorMar 20, 13Jul 19, 16[F16D, B01F, B29L]
D735291 Fluid moving deviceJun 10, 14Jul 28, 15[2301]
D733839 Element for a stirring bodyJun 10, 14Jul 07, 15[2301]
9050567 Vertical agitator for wastewater received in a sedimentation tankDec 28, 10Jun 09, 15[B01F]
8944421 Device for aerating a suspension held in a treatment tankMar 08, 11Feb 03, 15[C02F]
D709591 Fluid moving deviceOct 02, 12Jul 22, 14[2301]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0267,305 METHOD AND DEVICE FOR BIOLOGICALLY CLEANING WASTEWATERAbandonedSep 23, 10Oct 25, 12[C02F, B01D]
2012/0255,917 DEVICE FOR CLEANING WASTEWATERAbandonedSep 23, 10Oct 11, 12[C02F]
2011/0114,545 DEVICE FOR THE PURIFICATION OF WASTE WATERAbandonedMay 25, 09May 19, 11[C02F, B01D]
2010/0196,165 STIRRING DEVICE FOR ACTIVATED SLUDGESAbandonedJul 18, 08Aug 05, 10[F04D]

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