MORBARK, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0260,717 LOG DEBARKING APPARATUSAbandonedApr 21, 08Oct 22, 09[B27L, B27G]
2007/0034,290 Grinding machine rotor assembly and clamp apparatus thereforAbandonedJul 06, 06Feb 15, 07[B27C, B27G]
2006/0255,193 Grinding machine and method of operationAbandonedMay 04, 06Nov 16, 06[B02C]
7055770 Reducing machine rotor assembly and methods of constructing and operating the sameExpiredFeb 09, 04Jun 06, 06[B02C]
6953167 Wood chipper knife holder system for a power driven rotor headExpiredMay 16, 03Oct 11, 05[B02C]
6880774 Reducing machine rotor assembly and methods of constructing and operating the sameExpiredMay 01, 01Apr 19, 05[B02C]
2005/0061,899 Grates for a comminution machine and methods of forming and assembling the sameAbandonedAug 04, 04Mar 24, 05[B07C]
2004/0170,759 Apparatus and method for applying dry colorant to wood particulate materialAbandonedDec 04, 03Sep 02, 04[B05D]
6622951 Hammer assembly for wood reducing hammer mills and other comminuting machines and methods of making and using itExpiredSep 26, 00Sep 23, 03[B02C]
6523768 Rotary mill having releasable wedge-lock tool insert holding systemExpiredMar 20, 01Feb 25, 03[B02C]
5887634 Tractor mounted stump grinder and methods of constructing and operating itExpiredOct 29, 97Mar 30, 99[A01G]
5820042 Wood chipper rotor head knife holder and knife assemblyExpiredJun 17, 97Oct 13, 98[B02C]
5713525 Horizontal comminuting machine particularly for recyclable heavy wood randomly carrying non-shatterable foreign piecesExpiredMar 31, 95Feb 03, 98[B02C]
5638879 Externally changeable flail apparatusExpiredAug 14, 95Jun 17, 97[B27L, F16G]
5419502 Tub grinder systems and methods for comminuting waste woodExpiredApr 14, 93May 30, 95[B02C]
5358738 Method and apparatus for painting the surfaces of wood chipsExpiredMar 31, 93Oct 25, 94[B05D]
5322104 Flail drum machines and methodsExpiredMay 04, 93Jun 21, 94[B27L]
5137219 Wood chipper and infeed systemExpiredJul 28, 88Aug 11, 92[B02C]
5070920 Debarker knife assemblyExpiredSep 24, 90Dec 10, 91[B27G]
5054703 Stump chipper knife assemblyExpiredOct 12, 90Oct 08, 91[B02C, B27C]

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