| Patents for A01G 23 - Forestry (6,442) |
|---|
| 03/27/1990 | US4911089 Method of and means for positioning root control bags |
| 03/21/1990 | EP0218584B1 Feeder apparatus for timber harvesters |
| 03/20/1990 | US4909291 Cutting head for a tree-felling vehicle |
| 03/20/1990 | US4908946 Wood cutting shear |
| 03/08/1990 | WO1990001867A1 Device at tree harvesting apparatus |
| 03/07/1990 | EP0244403B1 Bundle limber |
| 02/27/1990 | US4903418 Hydraulic loader attachment |
| 02/13/1990 | US4899829 Apparatus for making a substrate for forest cultivation |
| 02/13/1990 | US4899794 Tree delimbing device with self-aligning cutter head |
| 02/13/1990 | US4899522 Cutting brushwood |
| 02/06/1990 | US4898221 Method for limbing, barking and chipping, and a device for utilization of the method |
| 02/06/1990 | US4898219 Working head for a tree-shaping machine |
| 02/06/1990 | US4898218 Delimbing device for a tree |
| 01/23/1990 | US4895196 Apparatus for removing branches from treetrunks |
| 01/23/1990 | US4894950 Tree support-construction method |
| 01/16/1990 | US4893783 Tree and tree stump removal apparatus and associated method |
| 01/03/1990 | CN1038389A Automatically injecting resin-filler |
| 12/28/1989 | WO1989012383A1 Forest harvester |
| 12/27/1989 | EP0348154A2 Method and means for positioning root control bags |
| 12/26/1989 | US4888914 Method and fabric container for controlling root growth |
| 12/19/1989 | US4887387 Device for collecting sap |
| 12/14/1989 | DE3819572A1 Lifting implement |
| 12/14/1989 | DE3819014A1 Implement for lifting rows of plants by individual root balls |
| 12/13/1989 | EP0346308A1 Delimbing device for a tree |
| 12/05/1989 | US4884367 Root control bag |
| 12/05/1989 | US4884365 Device for collecting sap |
| 11/29/1989 | EP0343224A1 Method of and apparatus for extracting tree stumps |
| 11/28/1989 | US4883159 Feeder apparatus for timber harvesters |
| 11/21/1989 | US4881865 Forest machine with crane |
| 11/21/1989 | US4881582 Jib-mounted suspension device for a timber harvester |
| 11/09/1989 | DE3813961A1 Device for debarking and/or debranching trees which are still standing |
| 11/09/1989 | DE3813959A1 Device for removing the bark or the branches of trees |
| 10/26/1989 | DE3812034A1 Gripper having two interacting gripper halves |
| 10/25/1989 | EP0339007A1 Auxiliary unit for processing felled trees |
| 10/24/1989 | CA1262431A1 Tree handling apparatus |
| 10/19/1989 | WO1989009728A1 Process and machine for packaging shrubs |
| 10/19/1989 | WO1989009685A1 Driving device |
| 10/18/1989 | EP0337319A1 Process and machine for packing shrubs |
| 09/27/1989 | EP0334436A1 Machine for grinding tree stumps, roots and others |
| 09/26/1989 | CA1261791A1 Skidder with improved boom, grapple and bunk assembly |
| 09/07/1989 | DE3834015A1 Crane |
| 09/05/1989 | US4862969 Method and apparatus for cultivating plantable soils more particularly forest soils |
| 09/05/1989 | CA1258977A1 Container for growing and subsequent transplanting of seedlings |
| 08/29/1989 | US4860808 Process and device for harvesting copses grown in lines |
| 08/17/1989 | DE3901641A1 Carriage together with suspension gear for timber skidding |
| 08/15/1989 | US4856759 Woody plant extractor |
| 08/08/1989 | US4854404 Bucket auger |
| 08/03/1989 | DE3802844A1 Single-root-ball extractor/row lifter |
| 07/27/1989 | DE3743582A1 Single-ball lifting-out and row-grubbing appliance |
| 07/26/1989 | EP0231366B1 Device for packing conifers with mechanically-operating grabs |
| 07/25/1989 | US4850409 Felling saw and method of operating |
| 07/25/1989 | US4850405 Log delimbing and cutoff device |
| 07/18/1989 | US4848425 Felling head with swinging cutter bar |
| 07/18/1989 | US4848424 Vehicle mountable tree felling apparatus |
| 07/18/1989 | US4848423 Guard unit for a stump removing machine cutter wheel |
| 07/13/1989 | WO1989006216A1 Rotator for crane-mounted working implements, especially tree-processing units |
| 07/13/1989 | DE3840504A1 Apparatus for skidding and/or preskidding timber trunks |
| 07/11/1989 | CA1257180A1 Tree pruning machine |
| 07/05/1989 | EP0323364A1 Work head for a tree-processing machine |
| 06/29/1989 | DE3742593A1 Method and device for taking needle samples |
| 06/22/1989 | DE3741118A1 Logging vehicle |
| 06/21/1989 | EP0320835A1 Transporting device with a loading device and a two-track driving unit |
| 06/15/1989 | WO1989005091A1 Method of and apparatus for extracting tree stumps |
| 06/13/1989 | US4838328 Method for mechanized thinning of a forest, and a harvester and forwarder for carrying out the method |
| 06/13/1989 | CA1255573A1 Tree harvester |
| 06/13/1989 | CA1255572A1 Tree harvester |
| 06/01/1989 | DE3840698A1 Process and filling substrate for planting woody plants |
| 05/30/1989 | CA1254797A1 Tree moving apparatus |
| 05/24/1989 | EP0316830A1 Device for excavation with a ball of soil and stubbing device for row plants |
| 05/24/1989 | DE3738823A1 Single-ball lift-out row grubber appliance |
| 05/24/1989 | DE3738289A1 Self-propelling mower for forest plants |
| 05/09/1989 | US4828125 Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground |
| 05/09/1989 | US4827995 Cutting tool |
| 05/09/1989 | US4827617 Tree cutting guide shoe for clearing saw |
| 05/09/1989 | CA1253774A1 Tree collecting device |
| 05/03/1989 | EP0314591A1 Tree stump eradicator |
| 05/03/1989 | CN2036743U Artificial sapling planter |
| 05/03/1989 | CN1032672A Discharging closed chamber utilizable as extraction tank of continuous vegetable material extraction unit and extraction process comprising application |
| 05/02/1989 | US4826137 Brush and small tree remover |
| 04/26/1989 | EP0313441A1 Device for unloading-loading a closed vessel for use as an extraction tank for a continuously operating extraction unit for vegetable materials, and process using it |
| 04/26/1989 | EP0313357A2 Root control bag |
| 04/25/1989 | US4823852 Tree feller-buncher |
| 04/25/1989 | US4823850 Pullthrough delimbing device |
| 04/25/1989 | US4823849 Felling, delimbing and cutting a tree trunk |
| 04/20/1989 | DE3829422A1 Felling bar with striking attachment |
| 04/18/1989 | CA1252694A1 Machine for delimbing and topping trees |
| 04/13/1989 | DE3733195A1 Branch hooks for safety lines |
| 04/13/1989 | DE3731975A1 Receptacle for large plants |
| 04/06/1989 | DE3731496A1 Apparatus for trimming free-standing woody plants |
| 04/04/1989 | US4817692 Ring saw |
| 04/04/1989 | CA1252025A1 Tree felling apparatus |
| 03/28/1989 | US4815506 Tree harvesting and logging system |
| 03/22/1989 | EP0308303A1 Process and device for harvesting brushwood cultured in rows |
| 03/09/1989 | DE3744322A1 Grab for wood |
| 03/01/1989 | EP0304428A1 A jib-mounted suspension device for a timber harvester. |
| 02/28/1989 | US4807393 Root ball container and method |
| 02/28/1989 | CA1250426A1 Power assisted device for breaking land and pulling roots |
| 02/21/1989 | US4805389 Rotary debris remover |
| 02/09/1989 | WO1989000808A1 Method for handling and transporting logs from felling site to consumer, and road vehicle for carrying out the method |
| 02/08/1989 | EP0302609A2 Brush cutting blade |