HITCHINER MANUFACTURING CO., INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22C FOUNDRY MOULDING 523
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 445
 
  
 
C22C ALLOYS 171

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9833833 Refractory mold and method of makingSep 26, 16Dec 05, 17[B33Y, B22C]
9498819 Refractory mold and method of makingMar 14, 13Nov 22, 16[B22C]
9486852 Radial pattern assemblyMar 14, 13Nov 08, 16[B22C]
9481029 Method of making a radial pattern assemblyMar 14, 13Nov 01, 16[B22C]
6684934 Countergravity casting method and apparatusMay 24, 00Feb 03, 04[B22D]
6499529 Centrifugal countergravity castingAug 17, 01Dec 31, 02[B22D]
6004368 Melting of reactive metallic materialsFeb 09, 98Dec 21, 99[C22C]
5303762 Countergravity casting apparatus and methodJul 17, 92Apr 19, 94[B22D]
5069271 Countergravity casting using particulate supported thin walled investment shell moldFeb 25, 91Dec 03, 91[B22D, B22C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6453976 Lost foam countergravity castingExpiredOct 29, 99Sep 24, 02[B22D, B22C]
5607007 Directional solidification apparatus and methodExpiredOct 19, 94Mar 04, 97[B22D]
5163391 Wear resistant cast iron rocker arm and method of making sameExpiredApr 21, 92Nov 17, 92[F01L]
5146973 Countergravity casting method and apparatusExpiredDec 17, 90Sep 15, 92[B22D]
5113924 Method of casting wear-resistant, cast iron machine elementExpiredAug 17, 90May 19, 92[B22D]
5042561 Apparatus and process for countergravity casting of metal with air exclusionExpiredOct 27, 89Aug 27, 91[B22D]
4961455 Countergravity casing apparatus and method with magnetically actuated valve to prevent molten metal run-outExpiredJul 06, 89Oct 09, 90[B22D]
4791977 Countergravity metal casting apparatus and processExpiredMay 07, 87Dec 20, 88[B22D]
4651799 Vented casting molds and process of making the sameExpiredJan 30, 86Mar 24, 87[B22C]
4589466 Metal castingExpiredMay 28, 85May 20, 86[B22D]

Top Inventors for This Owner

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