BILFINGER WATER TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 5129
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 318
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
A47L DOMESTIC WASHING OR CLEANING 159
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE 156
 
  
 
E03B INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER 112

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9328869 Screen basket vortex breaker for vesselMay 13, 13May 03, 16[F17C, E03B, F15D]
9243728 Pipe with reinforced female endDec 31, 09Jan 26, 16[F16L]
9174403 Method of manufacture of pipe with reinforced female endDec 10, 12Nov 03, 15[B29C, B29D]
9108127 Directed hydroburst system for cleaning flat screensAug 12, 13Aug 18, 15[A47L, B01D]
9023456 Profiled wire screen for process flow and other applicationsMar 14, 12May 05, 15[B07B, B01D]
8876017 Variable flow screen nozzleJul 13, 11Nov 04, 14[F16K, B05B, F23D, B01D]
8814219 Push lock pipe connection system and disconnection toolSep 27, 10Aug 26, 14[F16L]
8516678 Push lock pipe connection systemNov 30, 10Aug 27, 13[F16L, B23P]
8297448 Screen intake device for shallow waterNov 22, 10Oct 30, 12[B01D]
8075700 Method of cleaning a filterNov 09, 10Dec 13, 11[B08B, B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0158,295 Erosion Resistant Wellbore Screen and Associated Methods of ManufactureAbandonedDec 10, 12Jun 12, 14[C23C, E21B, B32B]
2014/0027,371 COARSE AND FINE SCREEN ASSEMBLYAbandonedJul 30, 12Jan 30, 14[B01D]
8596261 Passive solar wire screens for buildingsExpiredSep 29, 11Dec 03, 13[F24J]
2013/0001,148 FILTER ASSEMBLYAbandonedAug 29, 12Jan 03, 13[B01D]
8292089 Helical support structure for intake screensExpiredMay 31, 11Oct 23, 12[E02B]
7950527 Helical internal support structure for intake screensExpiredFeb 01, 06May 31, 11[E02B]
2005/0044,690 Well screen coverAbandonedOct 05, 04Mar 03, 05[E21B]

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