DOUWE EGBERTS KONINKLIJIKE TABAKSFABRIEK-KOFFIEBRANDERIJEN-THEEHANDEL, A CORP. OF THE NETHERLANDS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A23F COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF 121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5204136 Process for extracting coffeeApr 25, 91Apr 20, 93[A23F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4995310 Disposable filter cartridge, whether or not combined with a water reservoirExpiredMay 05, 89Feb 26, 91[A47J]
D309843 Beverage dispenserExpiredAug 28, 86Aug 14, 90[]
4885181 Process for decaffeinating green coffeeExpiredJan 25, 89Dec 05, 89[A23F]
4871532 Mouth care productsExpiredJan 07, 88Oct 03, 89[A61K]
4840737 Process for separating solid particles and/or liquid from a suspension and wash columnExpiredFeb 24, 87Jun 20, 89[B01D]
4717047 Disposable coffee concentrate storing and transporting apparatusExpiredAug 23, 85Jan 05, 88[B65D]
4708263 Outlet nipple for dispensers of beverage concentratesExpiredNov 24, 86Nov 24, 87[F16K, B67D]
4656866 Method of measuring the pressure in a vacuum packageExpiredApr 09, 85Apr 14, 87[G01M]
4602558 Apparatus for making one or more consumption units of coffeeExpiredDec 03, 84Jul 29, 86[A47J]
4601411 Electromagnetic metering device having asymmetrical leversExpiredNov 04, 83Jul 22, 86[G01F]
4550858 Timed-dispensing method and apparatusExpiredDec 23, 82Nov 05, 85[B67D]
4550024 Apparatus for preparing hot drinksExpiredJan 20, 84Oct 29, 85[A47J, A47G, B65D]
4481169 Washing columnExpiredDec 27, 82Nov 06, 84[B01J]
4383537 Method and apparatus for inspecting and cutting cigar wrappersExpiredAug 18, 78May 17, 83[A24C]
4338109 Counter current crystallization processExpiredJan 31, 80Jul 06, 82[B01D]
4334640 Exchangeable concentrate container for beverage dispensing machinesExpiredOct 14, 80Jun 15, 82[B65D]
4332140 Counter current crystallizerExpiredJun 07, 79Jun 01, 82[B01D]
4265920 Process for concentration of alcoholic beveragesExpiredSep 28, 79May 05, 81[C12G, C12F]
4188797 Counter current crystallizerExpiredDec 30, 77Feb 19, 80[B01D]

Top Inventors for This Owner

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