IRWIN RESEARCH AND DEVELOPMENT, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 5120
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 233
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0080,629 Thermoforming Apparatus Having Adjustable Length Load Shafts and MethodDec 05, 16Mar 23, 17[B29C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9649808 Thermoforming machine having platen locks and methodNov 14, 12May 16, 17[B29C]
9511534 Thermoforming apparatus having adjustable length load shafts and methodNov 13, 12Dec 06, 16[B29C]
9238325 Thermoforming machine, plug assist drive assembly and methodAug 31, 11Jan 19, 16[B29C]
9033270 Apparatus for circulating comminuted materialsJan 07, 13May 19, 15[B02C]
7559759 Trim press having an article ejector, article ejecting device with linear drive mechanism, and methodJul 20, 05Jul 14, 09[B28B]
5893523 Apparatus for comminuting waste materials having feed roll delivery featuresJun 13, 97Apr 13, 99[B02C]
5893994 Adjustable length heat tunnel for varying shot lengthsApr 17, 96Apr 13, 99[B29C, F27B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2005/0263,633 Serrated scissor ring, comminuting apparatus, and methodAbandonedMay 25, 04Dec 01, 05[B02C]

Top Inventors for This Owner

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