Andritz-Patentverwaltungs-Gesellschaft m.b.H.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON623
 
  
 
B27C PLANING, DRILLING, MILLING, TURNING, OR UNIVERSAL MACHINES 58
 
  
 
B01D SEPARATION 4130
 
  
 
B27L REMOVING BARK OR VESTIGES OF BRANCHES 44
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 418
 
  
 
B07C POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING 324
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 327
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 233
 
  
 
B27G ACCESSORY MACHINES OR APPARATUS; TOOLS 212
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES277

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6506294 Process for regeneration of electrolytes from pickle liquor, in particular of NA2S04 from pickle liquor for stainless steelFeb 15, 96Jan 14, 03[B01D]
6478928 Process for dewatering a pulp webDec 04, 00Nov 12, 02[D21F]
6475345 Device for feeding a pulp suspension with eccentric shaft adjustmentOct 02, 01Nov 05, 02[D21F]
6451280 Process for regeneration of acids from spent acidsMar 21, 00Sep 17, 02[C01B]
6409111 Apparatus for reducing the oversized fraction of chipsMay 26, 00Jun 25, 02[B02C]
6368464 Device for feeding a pulp suspension to a dewatering installationFeb 05, 99Apr 09, 02[D21F]
6338773 Device for dewatering solid/liquid suspensions, especially pulp suspensionsMar 16, 00Jan 15, 02[D21F]
6319366 Headbox for feeding a pulp suspension to a dewatering installationFeb 05, 99Nov 20, 01[D21F]
6253818 Device for changing reels at paper machinesJan 12, 99Jul 03, 01[B65H]
6250314 Process of pickling stainless steelJul 15, 99Jun 26, 01[C23G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6837973 Apparatus for electrically coating a hot-rolled steel substrateExpiredJul 29, 99Jan 04, 05[C25D]
6656415 Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zincExpiredDec 27, 01Dec 02, 03[C22B]
6526154 Method and apparatus for determining the portion of wood material present in a stream of barkExpiredJan 12, 00Feb 25, 03[G06K]
6461479 Process and device for distributing a pulp suspension, particularly at medium consistencyExpiredMay 10, 99Oct 08, 02[D21F]
6451194 Process for preparing and replenishing an electrolyte in an electrolyte bathExpiredMar 28, 01Sep 17, 02[C25D]
6427706 System for continuous treatment of steel stripExpiredMar 01, 00Aug 06, 02[B08B]
2002/0084,051 Process and a device for the formation of fiberboardAbandonedJan 17, 02Jul 04, 02[D21F]
6401636 Process and device for incineration of particulate solidsExpiredFeb 28, 01Jun 11, 02[F23G, F23B]
6398876 Process for pickling steelExpiredDec 21, 99Jun 04, 02[C23G]
6364930 Process for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zincExpiredOct 08, 99Apr 02, 02[C22B]
6311849 Device for dehydrating and washing suspensions of fibrous materialExpiredNov 24, 99Nov 06, 01[B01D]
6306268 Device for carrying out continuous electrolytic precipitationExpiredDec 21, 99Oct 23, 01[C25D]
6231729 Apparatus for preparing and replenishing an electrolyte in an electrolyte bathExpiredJun 18, 99May 15, 01[C25B]
6221213 Process and device for measuring slice gap spacing at a paper machine headboxExpiredNov 13, 97Apr 24, 01[D21F]
6216610 Process and device for incineration of particulate solidsExpiredApr 01, 99Apr 17, 01[F23G, F23B]
6217710 Process for regulating a screw pressExpiredFeb 10, 99Apr 17, 01[D21F]
6210650 Process for regenerating hydrochloric acid from pickling plantsExpiredJul 27, 94Apr 03, 01[C01B, C23G, C23F]
6076956 Device for distributing suspensions in a containerExpiredFeb 26, 98Jun 20, 00[B01F, D21C]
6058619 Process and apparatus for drying material with indirectly heated driers and for decontaminating waste gasExpiredJul 15, 99May 09, 00[F26B]
6033579 Red mud dewatering and washing processExpiredOct 16, 97Mar 07, 00[B01D]

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