Patents for A01G 23 - Forestry (6,442)
06/1992
06/08/1992CA2056333A1 Feed arrangement for a harvester
06/02/1992US5117582 Tree irrigator
05/1992
05/26/1992US5115845 Portable stump remover
05/26/1992CA1301705C Tree transport trailer
05/20/1992EP0298977B1 Brush cutter
05/19/1992US5113919 Feller head
05/15/1992CA2029958A1 Tree processing apparatus
05/12/1992US5111599 Brush clearing implement
05/05/1992US5109900 Tree-felling head
05/05/1992US5109895 Cutting attachment for trencher
04/1992
04/29/1992EP0482763A1 Guide bars for tree harvesters
04/28/1992US5107912 Tree processing apparatus
04/27/1992CA2041449A1 Repairable guide bar for tree harvesters
04/21/1992CA1299066C Slasher
04/16/1992WO1992005757A1 Feeding device at the end of a pivotable boom in a tree manipulating machine, especially grapple harvester
04/14/1992US5103882 Rotary cutter wheel and removable tooth structure
04/14/1992US5103881 Log cutting apparatus
04/14/1992US5103588 Method and fabric container for controlling root growth
04/07/1992US5101873 Tree cutting apparatus
04/07/1992US5101872 Tree felling and stacking apparatus
03/1992
03/31/1992US5100104 Implement for removing a fence post or the like
03/26/1992DE4120158A1 Manually operated wood felling truck - has two interconnected wheels at outer ends of U=shaped bridge
03/26/1992DE4030076A1 Pruner for living trees - has sickle-shaped disk with cutters embracing stem
03/18/1992WO1992004822A1 A cutting and sawing unit provided with a timber handling arrangement
03/18/1992EP0474687A1 A timber harvester.
03/18/1992CA2073465A1 Cutting and sawing unit provided with a timber handling arrangement
03/12/1992WO1992003908A1 Brushcutter head
03/11/1992EP0473686A1 A device for feeding elongated objects, such as tree trunks.
03/10/1992US5094281 Debarking/delimbing apparatus
03/10/1992US5093998 Repairable guide bar for tree harvesters
03/05/1992WO1992003040A1 System for controlling the clamp means in a tree harvesting machine, especially grapple harvester
03/04/1992CN1059069A Method of planting trees in drying region
03/03/1992US5092562 Felling bar with striking lug
02/1992
02/26/1992CN2096875U Cutter for tree root
02/25/1992US5090839 Supporting device for a steering mechanism
02/25/1992US5090157 To receive a root ball
02/12/1992CN2095538U Vibrating root cutting machine
02/11/1992US5086819 Curved pruner blades
02/11/1992US5086684 Transportable work machine having a stabilizer leg with selectively operable auxiliary saw means
02/06/1992DE4122735A1 Removing branches from tree trunks - involves gripping arms and trunk moving device fixed to frame on jib of crane
01/1992
01/28/1992US5083595 Tree harvesting apparatus
01/28/1992US5083594 Delimber boom
01/25/1992CA2021812A1 Grapple saw harvester for collection of cone-bearing tree tops
01/24/1992CA2038018A1 Tree treatment capsule with radically expanding shank portion
01/21/1992US5082036 Forest harvester
01/21/1992US5081941 Apparatus for excavating and transplanting trees and the like
01/15/1992EP0465586A1 Method and apparatus for single-handed load skidding
01/14/1992US5080151 Lifting and crushing apparatus for tree stumps
01/09/1992WO1992000238A1 Holding device for a working appliance, especially a harvester
01/09/1992DE4033685A1 Cover for stacks of round timbers - comprises sheet with longitudinal perforated inbuilt channels
01/07/1992US5077917 Manual stump removal tool
01/02/1992EP0462974A1 Arrangement in guide bars
01/01/1992CN2091529U Means for increasing rubber tree's yield
12/1991
12/09/1991CA2043636A1 Log skidding vehicle
12/06/1991CA2038784A1 Tree-felling head
11/1991
11/27/1991EP0301011B1 Method for limbing, barking and chipping, and a device for utilization of the method
11/26/1991WO1990013999A1 A device for feeding elongated objects
11/26/1991US5067261 Brush gopher
11/12/1991US5063731 Brush and tree cutter blade
11/05/1991CA1291670C Tree mover
10/1991
10/29/1991US5061150 Single-handed skidding apparatus for logs and the like
10/29/1991CA1291451C Tree gripping device
10/29/1991CA1291396C Ring saw
10/23/1991EP0452589A1 Packaging rope for plant roots
10/22/1991US5058638 Apparatus for cross-cutting treetrunks, comprising a device for measuring lengths
10/22/1991CA1291010C Tree size adaptable debarking/delimbing apparatus
10/22/1991CA1290944C Device for collecting sap
10/17/1991WO1991015344A1 Feeding device for trees in the multi-function unit of a forest machine
10/16/1991CN2086512U Rubber tapping knife with movable pushloading blade
10/15/1991US5056258 Tree trunk smoothing device
10/03/1991WO1991014610A1 A device in vehicles
10/01/1991US5052109 Repairable guide bar for tree harvesters
10/01/1991CA1289854C Tree feller-buncher
09/1991
09/19/1991WO1991013736A1 Pruning device
09/17/1991US5048579 Tree stump cutter
09/11/1991CN2084411U Axl
09/10/1991US5046540 Tree delimbing apparatus
09/10/1991CA1288671C Tree cutting and delimbing apparatus
09/05/1991WO1991012943A1 A device for barking logs and similar
09/05/1991WO1991012711A1 Method for marking logs
09/03/1991US5044409 Force matching tree shear
08/1991
08/27/1991US5042727 Bushwood chopper and spreader attachment
08/14/1991DE4002950A1 Implement for cutting and bundling brushwood - has concavely shaped cutting and clamping jaws mounted for defined opening angle
08/07/1991CN2082079U Plastic receptacle for pine resin
08/07/1991CN1053525A Tree-planting method using sapling with earth block
07/1991
07/31/1991EP0304428B1 A jib-mounted suspension device for a timber harvester
07/25/1991WO1991010544A1 Method and apparatus for converting trees into wood chips
07/25/1991WO1991010353A1 Tree excavator
07/25/1991DE4001907A1 Guide to direct fall of tree - comprises two steel webs pivoted together at one end with hydraulic jack between them
07/24/1991EP0437803A1 Bi-directional tree saw
07/23/1991US5034407 Portable stump remover
07/17/1991WO1991010354A1 Portable stump remover
07/17/1991CA2074090A1 Portable stump remover
07/06/1991CA2031639A1 Bi-directional tree saw
07/04/1991DE3943053A1 Undercutting and lifting root-ball plants - involves implement adjustable for optimum root-ball volume
06/1991
06/25/1991US5026248 Hydrodynamic swing damper and tree handling vehicle incorporating the same
06/25/1991US5025590 Root ball basket
06/18/1991US5024820 Mechanism for charging and discharging a closed chamber utilizable as an extraction tank of a continuous vegetable material extraction unit and extraction process comprising an application thereof
06/13/1991WO1991008090A1 Cutting bit and block mount
06/13/1991DE4038096A1 Harness for forest clearing saw - has gas or liq. pad on shoulders working with set of straps
1 ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 ... 65