SIEMENS WATER TECHNOLOGIES HOLDING CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 3131
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 352
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D394697 Filter capFeb 09, 96May 26, 98[2301]
D389400 Filter connector clipFeb 09, 96Jan 20, 98[0808]
D387656 Filter connector clipJan 28, 97Dec 16, 97[0808]
5403487 Process for biochemical oxidation of ultra-toxic wastewater in a packed bed bioreactorDec 22, 92Apr 04, 95[C02F]
5316637 Electrodeionization apparatusAug 28, 92May 31, 94[B01D]
5308466 Electrodeionization apparatusFeb 25, 92May 03, 94[C02F, B01D]
5273659 Process of recovering a solid component from a solid composition by clarification and extractionJul 08, 91Dec 28, 93[B01D]
5135176 Method of recycling of oil filtersOct 07, 91Aug 04, 92[B02C]
5110510 Aeration and mixing apparatusFeb 21, 91May 05, 92[B01F]
5106494 Decanter assemblyFeb 08, 91Apr 21, 92[C02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0095,685 VIBRATORY MIXERAbandonedDec 18, 08Apr 16, 09[C02F]
7466797 Error control in algorithmic approach to step-and-shoot intensity modulated radiation therapyExpiredMar 22, 05Dec 16, 08[A61N]
7404884 Injection bonded articles and methodsExpiredApr 25, 03Jul 29, 08[B01D]
7291268 Hydrocyclone bundleExpiredAug 26, 04Nov 06, 07[B01D]
2006/0231,406 Regeneration of adsorption media within electrical purification apparatusesAbandonedApr 13, 05Oct 19, 06[B01D]
2006/0186,062 Filter support member and methods of use and fabricationAbandonedFeb 22, 05Aug 24, 06[B01D]
2006/0169,646 Method and system for treating waterAbandonedFeb 03, 05Aug 03, 06[C02F]
6991735 Free radical generator and methodExpiredFeb 26, 02Jan 31, 06[C02F]
2005/0171,390 Wet oxidation process and systemAbandonedDec 16, 04Aug 04, 05[C07C]
2005/0103,717 Water treatment system and methodAbandonedNov 13, 03May 19, 05[B01D]
2005/0058,548 Method of controlling fluid flowAbandonedSep 11, 03Mar 17, 05[F04B, B32B]
6660307 Process for generating stabilized bromine compoundsExpiredApr 16, 01Dec 09, 03[A61K, A01N]
5885448 Thermophilic aerobic waste treatment processExpiredJun 16, 97Mar 23, 99[C02F]
D361834 Air scrubber unit for use in the removal of pollutants from the airExpiredJan 25, 94Aug 29, 95[]
5149196 Compost handling machineExpiredFeb 15, 89Sep 22, 92[B01F]
5104546 Pyrogens separations by ceramic ultrafiltrationExpiredJul 03, 90Apr 14, 92[B01D]
5036882 Valve assembly for decanter for wastewater treatment facilityExpiredJul 31, 90Aug 06, 91[F16K, B01D]
5021161 Method for the treatment of wastewaterExpiredFeb 16, 90Jun 04, 91[C02F]
4957631 Traveling bridge filter with surface washExpiredJan 26, 89Sep 18, 90[B01D]

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