KLOCKNER-HUMBOLDT-DEUTZ AKTIENGESELLSCHAFT

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 530
 
  
 
B04B CENTRIFUGES 126
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 121
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5392998 Sifter for sifting granular material and grinding system with insertion of such a sifterJul 19, 93Feb 28, 95[B02C]
5372315 Method and system for the pressure treatment of granular materialAug 03, 93Dec 13, 94[B02C, B02G]
5342281 Apparatus and method for wet-mechanical processing of solidsJan 29, 93Aug 30, 94[B04B]
5269477 Wear-resistant grinding drum for employment in roller machines, particularly in high-pressure roll pressesMay 28, 92Dec 14, 93[B02C]
5261324 Roller bearing of a two-roller machineOct 08, 91Nov 16, 93[B30B]
5211009 Method for the regeneration of particulate-filter systemsDec 10, 91May 18, 93[F01N]
5203513 Wear-resistant surface armoring for the rollers of roller machines, particularly high-pressure roller pressesFeb 20, 91Apr 20, 93[B02C]
5192030 Two roller machine, particularly a roller pressJul 30, 91Mar 09, 93[B02C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5875000 Multi-picture television receiverExpiredDec 07, 95Feb 23, 99[H09N]
5792349 Drum filter for separating solids/liquid mixturesExpiredDec 09, 96Aug 11, 98[B01D]
5700144 Method and apparatus for thermal treatment of solidsExpiredFeb 07, 96Dec 23, 97[F27B]
5626089 Grate plate for pusher grate coolers for the cooling of hot materialExpiredJan 16, 96May 06, 97[F23H]
5588829 Thrust grating cooler and method for cooling hot materialExpiredMay 19, 94Dec 31, 96[F23H, F23K, F27D]
5564395 Internal combustion engine with V-shaped blockExpiredNov 29, 94Oct 15, 96[F02M]
5547277 Preheating screwExpiredApr 12, 95Aug 20, 96[B01F]
5545119 Solid bowl worm centrifugeExpiredDec 22, 94Aug 13, 96[B04B]
5449422 Method and device for the heat treatment of heat treatable material in an industrial furnaceExpiredDec 17, 93Sep 12, 95[F27B, C22F]
5433157 Grate plate for thrust grating coolers for cooling hot materialExpiredSep 09, 93Jul 18, 95[F23H, F23K, F27D]
5428945 Cleaning device for harvester-thresherExpiredNov 23, 93Jul 04, 95[A01F, A01D]
5419698 Device for heat treatment of bulk materialsExpiredApr 23, 93May 30, 95[F27D]
5417374 System and method for pressure treatment of granular materialExpiredAug 24, 93May 23, 95[B02C]
5390639 Internal combustion engineExpiredJun 14, 93Feb 21, 95[F02M]
5388554 Intake means for a reciprocating internal combustion engineExpiredDec 16, 93Feb 14, 95[F02M]
5341966 Cellular wheel sluice for pressure vesselsExpiredDec 10, 92Aug 30, 94[G01F]
5326320 Method and apparatus for forage processingExpiredMar 20, 92Jul 05, 94[A01F]
5300910 Magnet systemExpiredDec 09, 91Apr 05, 94[H01F]
5282780 Apparatus for separating solids/liquids mixtures with a slurry bypassExpiredFeb 14, 92Feb 01, 94[B04B]
5282883 Method and apparatus for the high-temperature treatment of fine-grained solids in a melting cycloneExpiredMay 11, 92Feb 01, 94[C22B]

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