WESTFALIA SEPARATOR AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B04B CENTRIFUGES 337
 
  
 
B01D SEPARATION 6128
 
  
 
A23C DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF 326
 
  
 
C11B PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES 322
 
  
 
A01J MANUFACTURE OF DAIRY PRODUCTS 215
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 262
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
A23J PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS 119
 
  
 
A23P SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS 117
 
  
 
C08B POLYSACCHARIDES; DERIVATIVES THEREOF 130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7763172 Filtering deviceMar 11, 04Jul 27, 10[B01D]
7753834 Solid-wall centrifuge comprising a weir provided with a stationary angled deflector plateMar 31, 05Jul 13, 10[B04B]
7550616 Method for the fractionation of oil and polar lipid-containing native raw materialsOct 11, 02Jun 23, 09[C11B]
7537559 Self-dumping separator with a disk stack and fins arranged radially outside the disc stackMar 07, 07May 26, 09[B04B]
7438678 Full jacket helical conveyor centrifuge with electromagnetic direct driveJul 21, 04Oct 21, 08[B04B]
7419463 Centrifuge comprising a plurality of centrifugal drums provided with packets of disksJul 08, 04Sep 02, 08[B04B]
7416523 Separator having a double-cone drum made of metalJul 27, 06Aug 26, 08[B04B]
7410457 Separator with a disc stack with rising channels and non-radial distributor channelsAug 04, 04Aug 12, 08[B04B]
7331919 Centrifugal drum for a separatorMar 12, 04Feb 19, 08[B04B]
7329310 Filter moduleJun 07, 05Feb 12, 08[B01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7641929 Method and device for adjusting the sediment content of a drinkExpiredJul 09, 04Jan 05, 10[C12C]
2009/0317,533 METHOD FOR PRODUCING A SOY MILKAbandonedMar 27, 07Dec 24, 09[A23L, A23C]
7588526 Lubricating system for a centrifuge driveExpiredAug 03, 07Sep 15, 09[B04B]
7510519 Solid bowl screw centrifuge comprising a centripetal pump with a throtting deviceExpiredJul 30, 04Mar 31, 09[B04B]
7311654 Solid bowl helical conveyor centrifuge comprising an adjustable outlet for solidsExpiredDec 19, 03Dec 25, 07[B04B]
2007/0066,476 Centrifuge comprising a separator disc stack and separator discAbandonedJul 08, 04Mar 22, 07[B04B]
7074173 Centrifuge having a centrifugal drum and a groove including a sealExpiredApr 25, 03Jul 11, 06[B04B]
7060019 Solid bowl screw centrifuge comprising a distributorExpiredOct 09, 01Jun 13, 06[B04B]
7056272 Centrifuge having an emergency off systemExpiredSep 30, 03Jun 06, 06[B04B]
7041045 Skimmer device for discharging liquid from a centrifugal drumExpiredSep 02, 02May 09, 06[B04B]
7029584 Rotating filterExpiredJul 03, 01Apr 18, 06[B01D]
2006/0070,946 Membrane moduleAbandonedSep 16, 05Apr 06, 06[B01D]
7008365 Centrifuge having a feeler element for sensing a medium levelExpiredJan 08, 02Mar 07, 06[B04B]
6988980 Separator with bearing lubrication arrangementExpiredSep 01, 04Jan 24, 06[B04B]
6986733 Solid bowl helical conveyor centrifuge with a pressurized housingExpiredApr 01, 04Jan 17, 06[B04B]
6969343 Centrifuge with a sieve system and method for operating the sameExpiredMay 30, 01Nov 29, 05[B04B]
2005/0252,402 Method for operating a developing machine and developing machineAbandonedJun 17, 05Nov 17, 05[G03G]
6960158 Centrifugal separatorExpiredDec 08, 03Nov 01, 05[B04B]
6958120 Membrane moduleExpiredMar 28, 01Oct 25, 05[B01D]
6908423 Screw for a solid-bowl centrifuge and a method of extracting oil using the centrifugeExpiredOct 18, 01Jun 21, 05[B04B]

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