A. Finkl & Sons Co.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 1458
 
  
 
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 738
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 414
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 247
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 122
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9551045 Flexible minimum energy utilization electric arc furnace system and processes for making steel productsOct 18, 13Jan 24, 17[F27B, F27D, B22D, C21C]
8562713 Flexible minimum energy utilization electric arc furnace system and processes for making steel productsMay 27, 11Oct 22, 13[H05B, C21C, C21B]
7077993 Apparatus for softening a selected portion of a steel object by heatingJan 28, 04Jul 18, 06[C21D]
6972058 Heat treatment method and apparatusDec 16, 97Dec 06, 05[C21D]
6398885 Method and apparatus for preventing cracking of the shank junction of die blocksSep 25, 98Jun 04, 02[C21D]
6325203 Method and apparatus for rapidly processing machine tool chipsOct 06, 99Dec 04, 01[B65G]
6110300 Tool for glass molding operations and method of manufacture thereofApr 07, 97Aug 29, 00[C21D, C22C]
6019938 High ductility very clean non-micro banded die casting steelApr 23, 98Feb 01, 00[C22C]
5972130 High impact and thermal shock resistant die steel, dies, dies blocks and method of manufacture thereofJul 28, 97Oct 26, 99[C22C]
5888450 Fine grained ductile plastic injection molds forging tools and machine components and alloy steel therefor having a titanium nitride pinned austenitic grain structureJun 26, 97Mar 30, 99[C22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5180444 Method for controlled fluid quenching of steelExpiredSep 21, 88Jan 19, 93[C21D]
5094431 Car bottom furnace system and method of operation thereofExpiredOct 02, 90Mar 10, 92[F27D]
5059389 Low alloy steel productExpiredApr 18, 90Oct 22, 91[C22C]
4950324 Tri-level method and apparatus for post melting treatment of molten steelExpiredJan 24, 89Aug 21, 90[C21C]
4894087 Simplified method and apparatus for treating molten steelExpiredOct 24, 88Jan 16, 90[C22B, C21C]
4887277 Electric arc furnaceExpiredSep 22, 88Dec 12, 89[F27B, F27D]
4780134 Simplified method and apparatus for treating molten steelExpiredSep 23, 86Oct 25, 88[C21C]
4655826 Method for post-melting treatment of molten steelExpiredMay 01, 86Apr 07, 87[C21C]
4600427 Method of ladle steelmaking and product produced therebyExpiredOct 22, 84Jul 15, 86[C21C]
4541862 Ladle steelmaking method and apparatusExpiredNov 30, 82Sep 17, 85[C21C]
4468249 Machinery steelExpiredSep 16, 82Aug 28, 84[C22C]
4318739 Steel having improved surface and reduction of area transverse properties, and method of manufacture thereofExpiredJun 05, 79Mar 09, 82[C22C]

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