BERNAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 122

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5575185 Method of making rotary cutting diesMay 09, 95Nov 19, 96[B21K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
RE37366 Method of making rotary cutting diesExpiredNov 19, 98Sep 18, 01[B21K]
6085626 Rapid adjustment rotary diesExpiredJan 15, 99Jul 11, 00[B26D]
5879278 Method and machine for cutting liners and inserting cut liners into closuresExpiredSep 16, 96Mar 09, 99[B31B]
5842399 Journal-less rotary dies and standExpiredFeb 03, 94Dec 01, 98[B26D]
5417132 Rotary cutting diesExpiredJun 16, 93May 23, 95[B26D, B23D]
5365815 Rotary scrap stripperExpiredDec 13, 93Nov 22, 94[B26D]
5088367 Rotary die with adjustable blade segmentExpiredJul 30, 90Feb 18, 92[B26D, B31B]
4846774 Rotary die cutting and laminating process and machineExpiredJan 26, 88Jul 11, 89[B31B]
4825739 Punch system for perforating plastic sheetsExpiredJul 16, 84May 02, 89[B26D]
4759247 Rotary dies with adjustable cutter forceExpiredOct 22, 87Jul 26, 88[B26D]
4727784 Web cut blank piling method and apparatusExpiredMay 20, 86Mar 01, 88[B26D]
4608895 Rotary die cuttingExpiredMar 14, 84Sep 02, 86[B26D, B31B]
4561334 Rotary stripperExpiredJun 19, 84Dec 31, 85[B26D]

Top Inventors for This Owner

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