| Patents for B27L 1 - Debarking or removing vestiges of branches from trees or logs; Machines therefor (1,111) |
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| 04/05/1988 | CA1234739A1 Bark peeling apparatus |
| 03/24/1988 | WO1988001925A1 Feeding device for producing a longitudinally directed relative movement between a tree stem and the device proper |
| 03/08/1988 | US4729415 Apparatus for debarking trees |
| 02/04/1988 | DE3623098A1 Method for debarking treetrunks (boles) and apparatus for carrying out the method |
| 01/19/1988 | US4719950 Tree size adaptable debarking/delimbing apparatus |
| 12/10/1987 | DE3619114A1 Method for reducing the root swelling on clear boles (tree trunks) |
| 12/08/1987 | US4711280 Vertical flail delimber |
| 12/03/1987 | WO1987007203A1 Apparatus for measuring the diameter of a log |
| 12/03/1987 | WO1987007202A1 An apparatus for pretreating logs by impacts |
| 12/01/1987 | US4709737 Debarking tool and arm combination |
| 12/01/1987 | CA1229776A1 Arrangements in barking machines |
| 11/11/1987 | EP0244403A1 Bundle limber. |
| 11/03/1987 | CA1228784A1 Apparatus for separation of bark from timber |
| 11/03/1987 | CA1228783A1 Feed roll spikes with plus-shaped cutting edges |
| 10/08/1987 | WO1987005852A1 Method for limbing, barking and chipping, and a device for utilization of the method |
| 10/08/1987 | WO1987005851A1 Barking method, and an apparatus for utilization of the method |
| 10/06/1987 | US4697626 Log chipping and flaking apparatus and method |
| 09/15/1987 | US4693287 Bundle limber |
| 09/08/1987 | US4691750 Barking machine |
| 09/01/1987 | US4690187 Method and apparatus for flail debarking |
| 08/25/1987 | CA1225907A1 Cutting tool assembly for log debarker |
| 08/13/1987 | DE3603823A1 Device for cutting off root swellings on logs for butt log reducers |
| 08/11/1987 | US4685498 Barking machine |
| 08/11/1987 | CA1225309A1 Drum barker |
| 08/05/1987 | EP0230434A1 Root chipper |
| 07/07/1987 | CA1223795A1 Tree processing system |
| 06/23/1987 | CA1223178A1 Wear means for drum barker |
| 06/23/1987 | CA1223177A1 Device for removing the bark from tree trunks |
| 06/16/1987 | US4673012 Tool tensioning device for debarking machine |
| 05/13/1987 | CN86103630A Method to mend defects on xylon slabs |
| 04/22/1987 | EP0218584A1 Feeder apparatus for timber harvesters. |
| 04/14/1987 | US4657056 Log debarking tool assembly |
| 03/31/1987 | US4653561 Log debarking machine |
| 03/31/1987 | US4653559 Forwardly-projecting debarking tool barker arm |
| 03/17/1987 | US4649706 Hydraulic feed control system for log debarkers |
| 02/25/1987 | EP0126140B1 Variable pneumatic pressure mechanism |
| 02/17/1987 | US4643236 Feed roll tensioning device |
| 02/03/1987 | US4640327 Ultra high pressure water log debarking |
| 02/03/1987 | US4640325 Flail member for debarking trees |
| 01/28/1987 | EP0209534A1 Tree handling apparatus. |
| 01/15/1987 | WO1987000115A1 Root chipper |
| 12/30/1986 | US4632164 Rotation ring barker |
| 12/30/1986 | EP0205549A1 An apparatus operating by means of a pressure fluid and being of the kind comprising a piston-cylinder mechanism with a resilient operation |
| 12/17/1986 | CN85104810A Means for rotating a tree trunk |
| 11/11/1986 | US4621971 Means for rotating tree trunks |
| 10/29/1986 | EP0199350A1 Method of mending defective wood plate |
| 10/22/1986 | EP0198453A1 Apparatus for removing branches and/or bark from logs |
| 10/14/1986 | US4616785 Method of and apparatus for debarking wood chips |
| 10/07/1986 | US4615121 Device for a chain saw for the slitting of bark layers of a log |
| 09/30/1986 | CA1212015A1 Method of and arrangement for milling root butts of round timber |
| 09/09/1986 | CA1211030A1 Barking drum with at least one bearing ring or similar device |
| 09/03/1986 | CN85103381A Peeling method and the barker for curved log and complex surface |
| 09/02/1986 | US4609021 Log debarker |
| 09/02/1986 | US4609020 Log debarker tensioning system |
| 09/02/1986 | US4609019 Hydraulic fed log debarker |
| 07/23/1986 | EP0126749B1 Machine for removing thickened root portions on logs |
| 07/03/1986 | WO1986003812A1 An apparatus operating by means of a pressure fluid and being of the kind comprising a piston-cylinder mechanism with a resilient operation |
| 07/03/1986 | WO1986003650A1 Tree handling apparatus |
| 06/24/1986 | US4596280 Drum for stripping or pre-treating trees or like plants |
| 06/17/1986 | US4595041 Portable log peeling apparatus having a draw knife |
| 05/27/1986 | US4590979 Device for bark-peeling tree trunks or the like |
| 05/22/1986 | WO1986002874A1 Bundle limber |
| 04/29/1986 | US4585042 Log debarker |
| 04/29/1986 | CA1203739A1 Variable pneumatic pressure force-transmitting mechanism |
| 04/23/1986 | EP0112365B1 A machine for removing material from logs |
| 04/22/1986 | US4583575 Wear means for drum barker |
| 04/15/1986 | US4582106 Apparatus for separation of bark from timber |
| 04/02/1986 | EP0091456B1 A device for processing trees or the like |
| 03/18/1986 | US4576327 Procedure for affixing bearing hoops on outer surface of large diameter drum |
| 02/25/1986 | US4572258 Chain flail |
| 01/28/1986 | US4566513 Arrangements in barking machines |
| 01/28/1986 | US4566371 Variable pneumatic pressure force-transmitting mechanism |
| 01/07/1986 | US4562873 Method of and arrangement for milling root butts of round timber |
| 12/24/1985 | US4559986 Barking drum with at least one bearing ring |
| 12/19/1985 | WO1985005589A1 Feeder apparatus for timber harvesters |
| 12/03/1985 | CA1197442A1 Arrangement in log-feeding apparatus |
| 11/26/1985 | US4554958 Apparatus for rounding the circumference of a log |
| 10/29/1985 | CA1195905A1 Log processing apparatus |
| 10/22/1985 | CA1195591A1 Hydraulic fed log debarker |
| 10/15/1985 | CA1195213A1 Drum for stripping or pre-treating trees or like plants |
| 10/09/1985 | EP0156804A1 Log debarker |
| 10/08/1985 | US4545503 Gate for barking drum and method of closing |
| 10/08/1985 | CA1194897A1 Self-centering feeding device |
| 09/17/1985 | CA1193520A1 Method of and apparatus for debarking wood chips |
| 09/10/1985 | US4540031 Machine for removing material from logs |
| 09/03/1985 | CA1192815A1 Barking drum |
| 07/02/1985 | CA1189765A1 Rotary multiple log debarker |
| 06/26/1985 | EP0146309A2 Flitch washer |
| 06/11/1985 | US4522242 Hydraulic fed log debarker |
| 05/22/1985 | EP0141831A1 Plant for bark-peeling tree-trunks or the like. |
| 05/21/1985 | CA1187473A1 Roller feed device with bearing cartridge |
| 05/21/1985 | CA1187472A1 Log-feed apparatus |
| 05/14/1985 | US4516613 Debarking machine with infeed rolls having helical offset log feeder blades |
| 05/07/1985 | US4515192 Device for processing trees or the like |
| 04/16/1985 | US4510981 Self-centering feeding device |
| 04/09/1985 | US4509574 In a debarking machine |
| 03/26/1985 | US4506713 Debarking machine with feed rolls having elongated members accommodating lateral movement |
| 03/19/1985 | US4505377 Arrangement in log-feeding apparatus |
| 03/14/1985 | WO1985001010A1 Log debarker |
| 12/11/1984 | CA1179241A1 Hollow debarking arm |