Patents for A01G 23 - Forestry (6,442)
04/1981
04/07/1981CA1098720A1 Suction pumping relay for sugar maple tree stands
03/1981
03/31/1981US4258763 Cutting device having a flexible cutting element
03/31/1981US4258762 Apparatus for delimbing trees
03/24/1981US4258101 Conductive plastic with metalized glass fibers retained in partial clumps
03/18/1981EP0025032A1 Tree accumulating apparatus.
03/17/1981CA1097562A1 Stump cutter
03/10/1981US4254874 Device for collecting and processing tree stumps
03/10/1981US4254807 Tree harvesting apparatus and method
03/03/1981USRE30533 Manually operated log breaking device
03/03/1981US4253536 Articulated, cross-country vehicle
03/03/1981CA1096637A1 No translation available
03/03/1981CA1096622A1 Fin-stabilized container of foldable sheet material
02/1981
02/17/1981US4250769 Pivoted adjustable lever with grab link
02/17/1981US4250664 Wire basket
02/17/1981CA1095887A1 Wedge arrangement
02/10/1981US4249344 Tree ball grabber
01/1981
01/21/1981EP0022733A1 Machine for extracting saplings
01/13/1981US4244560 Tree puller
01/13/1981US4244405 Tree shear head and controls therefor
01/06/1981US4243258 Tree harvester
01/06/1981CA1093024A1 Log skidder wth folding arch
12/1980
12/23/1980US4240510 Combined scarifier and branch slashing and crushing implement
12/16/1980US4239067 Apparatus for bulk-lopping, bucking and prestacking in forest harvesting
12/16/1980CA1091449A1 Fluid suction device
12/09/1980CA1091218A1 Feeding roll
12/02/1980US4236554 Land clearing machine
12/02/1980CA1090681A1 Method and apparatus for processing trees
11/1980
11/11/1980US4232719 Brush harvester
10/1980
10/07/1980US4226270 Tree harvester
10/07/1980US4226033 Tree transplanting machine
09/1980
09/30/1980US4224995 Device for removing palmetto bushes
09/18/1980WO1980001865A1 Tree harvester
09/16/1980US4222549 Apparatus for breaking wood
09/16/1980US4222420 Device for feeding logs
09/09/1980US4221245 Tree harvester with saw and shear
09/02/1980US4220184 Delimber
08/1980
08/26/1980US4219059 Apparatus for harvesting and bunching trees
08/26/1980US4219058 Apparatus for converting a tree feller into a feller buncher
08/26/1980US4219057 Timber to firewood processing machine
08/26/1980CA1084277A1 Method and apparatus for stripping cones from confier trees
08/19/1980CA1083929A1 Land clearing machine
08/12/1980US4216940 Directional tree falling aid and method of applying same
08/05/1980CA1083016A1 Tree delimber and loader
07/1980
07/29/1980US4214617 Stump cutter
07/29/1980US4214616 Tree delimbing apparatus
07/01/1980USRE30316 Lumbering tool
07/01/1980US4210183 Tree clamp and shear support structure
07/01/1980CA1080587A1 Traveling hose system
07/01/1980CA1080586A1 Tree harvester with saw and shear
07/01/1980CA1080584A1 Flailing machine for felled trees
07/01/1980CA1080553A1 Spot planter
06/1980
06/24/1980CA1080089A1 Accumulator mechanism for tree harvesting apparatus
06/03/1980US4205712 Method and machine for harvesting and de-limbing trees
06/03/1980US4205485 Tray construction for growing plants
06/03/1980CA1078813A1 Fluid operated ram for felling trees
05/1980
05/20/1980US4203253 Process for increasing oleoresin synthesis in pinus species
05/20/1980CA1077811A1 Debris separating chipper
05/20/1980CA1077810A1 Stump eradicator
05/20/1980CA1077732A1 Non-jamming shear pin assembly
05/06/1980CA1076804A1 Method for growing plants
04/1980
04/29/1980US4200315 Drawbar for a trailer
04/29/1980CA1076549A1 Device for feeding logs
04/22/1980CA1076071A1 Skidding and bunching trailer
04/01/1980US4195440 Fluid suction device
03/1980
03/25/1980US4194542 Device in an apparatus for processing trees
03/25/1980CA1074186A1 Method for sowing of forest seeds directly in the humus layer in the forest and a device for carrying out the method
03/18/1980CA1073784A1 Tree delimbing apparatus
03/04/1980CA1072824A1 High-speed planting method and machine
02/1980
02/26/1980CA1072418A1 Energy saving tree harvester
02/26/1980CA1072417A1 Suspension device for felling unit
02/19/1980CA1071980A1 Tree shear actuator restraint system
02/05/1980US4186670 Method and apparatus for sowing forest seeds in the humus layer
02/05/1980CA1071182A1 Arrangement for adjusting the compression force of drive rolls
01/1980
01/22/1980CA1070221A1 Device in an apparatus for processing trees
01/22/1980CA1070220A1 Forestry machines
01/15/1980CA1069880A1 Method and apparatus for use in connection with felling of trees
01/15/1980CA1069804A1 Tree shear actuator restraint system
01/15/1980CA1069803A1 Apparatus for sorting trees
01/01/1980CA1069028A Method and apparatus for sorting trees
12/1979
12/25/1979US4180108 Removable mounted teeth in brush clearing saw
12/25/1979US4180107 Stump eradicator
12/25/1979US4179847 Root ball clamp
12/18/1979CA1068196A1 Mobile machine for processing trees and trunks
12/11/1979CA1067924A1 Four-wheel-drive articulated frame steering vehicle
12/04/1979CA1067290A1 Planting system including articles of manufacture
11/1979
11/27/1979US4175598 Apparatus for felling and accumulating trees
11/27/1979CA1066993A1 Delimbing apparatus
11/27/1979CA1066954A1 Tree transplanting machine
11/20/1979USRE30153 Tree harvester
11/20/1979CA1066593A1 Roll limber head
11/15/1979WO1979000949A1 A machine for limbing trees and stems
11/14/1979EP0005354A1 Seedling transplanting machine
11/13/1979CA1066173A1 Holding arm
11/06/1979CA1065742A1 Tree severing apparatus and method
10/1979
10/30/1979US4172479 Method and apparatus for use in connection with felling of trees
10/30/1979US4172478 Delimbing apparatus
10/23/1979US4171797 Winch arrangement
10/16/1979CA1064373A1 Rail-riding limber and topper
10/16/1979CA1064372A1 Apparatus for delimbing trees
10/02/1979CA1063488A1 Flywheel tree feller and buncher
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