Ro-An Industries Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B31B MAKING BOXES, CARTONS, ENVELOPES, OR BAGS 621
 
  
 
B31C MAKING WOUND ARTICLES, e.g. WOUND TUBES 18
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6623411 Bag-making machine with web alignment controlJan 25, 02Sep 23, 03[B31B]
6623412 Bag making machine with web tension control and methodNov 05, 01Sep 23, 03[B31B]
6416453 Seal bar mechanism for bag machinesApr 12, 00Jul 09, 02[B31B, B31C]
5833107 Apparatus for drawing, a web through a synchronization section of a bag making machineMar 04, 97Nov 10, 98[B65H, B31B]
5470300 Web registration system and methodSep 09, 92Nov 28, 95[B31B]
5338281 Wicket servo method and device in a bag making machineMar 18, 93Aug 16, 94[B31B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4461490 Structural support for outriggerExpiredOct 30, 81Jul 24, 84[B60S]
4459786 Longitudinally bowed transversely polygonal boom for cranes and the likeExpiredOct 27, 81Jul 17, 84[B66C, E04H]

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