Georg Fischer Aktiengesellschaft

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22C FOUNDRY MOULDING 127
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7645814 Core materialApr 19, 03Jan 12, 10[B22C]
5100217 Wheel bearingFeb 20, 91Mar 31, 92[F16C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6093478 Composite memberExpiredApr 18, 97Jul 25, 00[B32B]
5428199 Frame member for supporting a workpiece in a machine toolExpiredAug 18, 93Jun 27, 95[B23H]
5348070 Process for the compression of molding sand for casting moldsExpiredMar 08, 93Sep 20, 94[B22C]
5329985 Method and apparatus for the individual marking of green sand moldsExpiredMar 31, 93Jul 19, 94[B22C]
5302020 Planetary mixing apparatusExpiredMar 31, 93Apr 12, 94[B01F]
5290387 Device for welding tubular components of plastics materialExpiredApr 20, 90Mar 01, 94[B32B]
5280821 Molding apparatus including vents comprising elongated slotted barsExpiredSep 24, 92Jan 25, 94[B22C]
5261479 Molding machine with pattern ventingExpiredOct 16, 92Nov 16, 93[B22C]
5241157 Arrangement for butt-welding plastic material componentsExpiredAug 10, 92Aug 31, 93[B29C]
5238571 Arrangement for separating entrained particles from a stream of molten metalExpiredJul 03, 91Aug 24, 93[B01D]
5232014 Check valveExpiredMar 09, 92Aug 03, 93[F16K]
5219123 Process for the selective reclamation treatment of used foundry sandExpiredAug 14, 91Jun 15, 93[B02C]
5217658 Method for repairing a hot-blast long-time cupola furnaceExpiredAug 05, 91Jun 08, 93[B05D, B28B, B32B, C21B]
5184850 Method of connecting pipes of plastics material of a double pipe system and a pipe connection made by the methodExpiredOct 25, 91Feb 09, 93[F16L]
5172748 Device for the batch-wise preparation of loose materialExpiredDec 04, 90Dec 22, 92[B22C]
5167270 Method for the treatment of foundry sand and/or core sandExpiredJan 24, 91Dec 01, 92[B22C]
5163496 Process for treating old foundry sand for reuse in place of core sandExpiredSep 04, 91Nov 17, 92[B22C]
5163562 Process for reclaiming bentonite and carbon particles from used foundry sandExpiredNov 25, 91Nov 17, 92[B03B, B07B]
5161596 Method for compressing granular molding materialsExpiredApr 19, 91Nov 10, 92[B22C]
5161967 Process and device to feed additives into a shaft or cupola furnaceExpiredSep 24, 91Nov 10, 92[F27D, F23D]

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