KMW AKTIEBOLAG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4596280 Drum for stripping or pre-treating trees or like plantsExpiredOct 02, 84Jun 24, 86[B27L]
4559986 Barking drum with at least one bearing ringExpiredJul 10, 84Dec 24, 85[B27L]
4504386 Screening apparatus for wood chipsExpiredMay 14, 84Mar 12, 85[B07B]
4445814 Apparatus for depositing solid particulate material in a frustoconical pileExpiredMar 01, 82May 01, 84[B65G]
4274786 Process and apparatus for continuously conveying particulate compressible fibrous material from a zone at a first gas pressure to a zone at a second gas pressureExpiredFeb 07, 79Jun 23, 81[D21C]

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