Mannesmann AG

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Patent Activity in the Last 10 Years

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 2722
 
  
 
B21B ROLLING OF METAL 1815
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 993
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 661
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 551
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 513
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 540
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 5201
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 483
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 489

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6701999 Method and device for producing slabs of steelNov 08, 99Mar 09, 04[B22D]
6690919 Determining the quality of telecommunication servicesNov 06, 00Feb 10, 04[H04M, H04B]
6650891 SMS-supported method for online/offline detection of user groups in mobile wireless networksAug 24, 00Nov 18, 03[H04M]
6620388 Catalyst pipeOct 22, 97Sep 16, 03[F28D, B01J]
6568459 Process and apparatus for casting a continuous metal strandAug 21, 02May 27, 03[B22D]
6523011 Communication system for transmitting accounting instructionsJan 13, 99Feb 18, 03[G06F]
6470957 Process for casting a continuous metal strandJul 16, 99Oct 29, 02[B22D]
6438127 Process and apparatus for the operation of virtual private networks on a common data packet communication networkMar 12, 98Aug 20, 02[H04L]
6366045 Operating-cycle synchronized engagement and disengagement of servo axle groups by means of electronically simulated cam disksJul 17, 00Apr 02, 02[G05B]
6336575 Submerged nozzle for slab continuous casting mouldsNov 29, 99Jan 08, 02[B22D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0062,621 Method and installation for producing hot rolled aluminium tape intended for can makingAbandonedNov 21, 06Mar 22, 07[C22F]
6965768 Allocation of a channel for data calls with a different useful signal/ disturb signal ratio than for channels used for voice calls in mobile radio networksExpiredAug 30, 99Nov 15, 05[H04Q]
6756712 Three phase converter fed motor having a shielding device to eliminate capacitive current in stator slotsExpiredSep 28, 00Jun 29, 04[H02K]
6696186 Humidifying device for a fuel cell, method for humidifying a fuel cell membrane and fuel cellExpiredNov 27, 01Feb 24, 04[H01M]
6651494 Means for monitoring holding brake wearExpiredAug 26, 00Nov 25, 03[G01L]
6644151 Apparatus for the continuous, chipless separation of individual, identical disk-shaped blanks or rods from round bar-shaped workpiecesExpiredFeb 21, 01Nov 11, 03[B21H]
6626229 Method and device for producing slabsExpiredDec 02, 99Sep 30, 03[B22D]
6615632 Parting toolExpiredNov 16, 00Sep 09, 03[B21B]
6610433 Fuel tankExpiredMar 20, 00Aug 26, 03[H01M]
6585032 Strip casting plantExpiredNov 05, 01Jul 01, 03[B22D]
6585299 Pipe connectorExpiredMar 27, 00Jul 01, 03[F16L]
6568461 Continuous casting facility and process for producing thin slabsExpiredOct 07, 98May 27, 03[B22D]
6563820 Process and device for forwarding non speech-bound informationExpiredApr 08, 98May 13, 03[H04L, H04J]
6541974 Device for storing a gaseous medium in a storage containerExpiredFeb 20, 01Apr 01, 03[G01V]
6536314 Device for continuous chipless separation of single identical rings from tubular workpiecesExpiredSep 05, 00Mar 25, 03[B23B, B21H]
2003/0022,033 Fuel cell with pulsed anode potentialAbandonedNov 13, 01Jan 30, 03[H01M]
6508497 Overhead clamp-type gripping device for grabbing a loadExpiredJan 05, 00Jan 21, 03[B23Q]
6502486 Method for producing steel rolling bearing ringsExpiredFeb 04, 00Jan 07, 03[B23P, B21D]
6502687 Separating conveyor for the transfer of unit loadsExpiredJul 19, 00Jan 07, 03[B65G]
6460828 Brake, in particular for a drive of a hoistExpiredMar 30, 00Oct 08, 02[B66D]

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