| Patents for A01G 23 - Forestry (6,442) |
|---|
| 06/06/1991 | CA2004795A1 Compact, light weight, rugged tree falling head |
| 06/04/1991 | US5020301 Method and machine for baling shrubs and bushes |
| 05/30/1991 | WO1991007082A1 Cutting mechanism for log forks |
| 05/29/1991 | EP0428530A1 Forest harvester. |
| 05/28/1991 | CA1284437C Method and apparatus for cultivating plantable soils more particularly forest soils |
| 05/22/1991 | EP0427727A1 Driving device. |
| 05/17/1991 | CA2012067A1 Tree cutting apparatus |
| 05/07/1991 | US5013282 Extendible shaft assembly for portable tools |
| 05/02/1991 | WO1991005459A1 A seed-containing water imbibing unit and methods utilising same |
| 05/02/1991 | EP0424378A1 Rotator for crane-mounted working implements, especially tree-processing units. |
| 05/01/1991 | CA2028676A1 Bushwood chopper and spreader attachment |
| 04/30/1991 | US5010933 Log skidding vehicle |
| 04/30/1991 | CA1283546C Brush cutting blade |
| 04/25/1991 | DE3934809A1 Lever-operated felling cart for processing tree trunks - has cradle mounted on cart and swings from lower position at ground level to higher position |
| 04/25/1991 | CA2018374A1 Portable lifter |
| 04/23/1991 | US5009558 Tree lifter |
| 04/16/1991 | CA1283026C Assembly for limbing tree stems |
| 04/16/1991 | CA1283025C Tree delimbing apparatus |
| 04/09/1991 | US5005622 Block and locking mechanism for a stump grinding cutter bit and method of securing and retaining |
| 04/09/1991 | US5005314 Sap collecting device |
| 04/03/1991 | CN1050303A Lumbering-growing standard table for gradual lumbering tree |
| 04/02/1991 | US5004026 Felling head |
| 04/02/1991 | US5003890 Stump burner |
| 03/26/1991 | CA1281908C Brush cutter |
| 03/12/1991 | US4998574 Cutting bit and block mount |
| 03/12/1991 | US4998573 Tree cutting apparatus |
| 03/12/1991 | CA1281264C Auger-type tree cutting tool |
| 02/26/1991 | CA1280722C Forest machine with crane |
| 02/26/1991 | CA1280677C Feeding device for effecting a longitudinally directed relative movement between a stem and the device proper |
| 02/19/1991 | US4993914 Tractor |
| 02/05/1991 | US4989652 Rotor for crane-mounted working implements, especially tree-processing units |
| 01/29/1991 | US4987935 BI-directional tree saw |
| 01/15/1991 | US4984961 Method for handling and transporting logs from felling site to consumer, and road vehicle for carrying out the method |
| 01/15/1991 | CA1278983C Apparatus and method for collecting a tree top |
| 01/09/1991 | EP0407322A1 Delimber |
| 01/02/1991 | CN1048143A Multifunctional detector of nursery stock |
| 01/01/1991 | US4981163 Assembly intended for tree logging machines |
| 12/25/1990 | US4979321 Tree excavator |
| 12/19/1990 | EP0402799A1 Wood shearing device |
| 12/05/1990 | EP0258282B1 Method for mechanized thinning of a forest, and a harvester and forwarder for carrying out the method |
| 12/04/1990 | US4975017 Grapple attachment |
| 12/04/1990 | US4974649 Tooth and holder assembly for a stump cutting machine |
| 12/04/1990 | US4974648 Implement for lopping felled trees |
| 12/04/1990 | US4974361 Means and a method of increasing production of trees for harvesting |
| 12/04/1990 | CA1277212C Tree felling, log cutting and splitting machine |
| 12/01/1990 | WO1990014758A1 A timber harvester |
| 11/27/1990 | US4972890 Log feed roller mechanism |
| 11/27/1990 | US4972586 Cover for rotary blade of power pruner |
| 11/19/1990 | WO1990013998A1 Method and device for cutting off tree trunks |
| 11/07/1990 | EP0223807B1 Method for producing torrefied wood, product obtained thereby, and application to the production of energy |
| 11/06/1990 | CA1275878C Cutting system for trees, vegetation and other objects |
| 10/31/1990 | DE3913499A1 Trailer attachment for forestry vehicle - has boom arm telescopically movable and swivelling relative to connecting plate |
| 10/18/1990 | WO1990011959A1 Method and apparatus for single-handed load skidding |
| 10/09/1990 | CA1275027A1 Tree delimber connector |
| 10/03/1990 | CN2062937U Multifunction machine for sowing seeds of forest trees and transplanting or cutting |
| 10/02/1990 | US4960157 Bush and tree cutter |
| 09/25/1990 | US4958670 Tree felling apparatus |
| 09/20/1990 | WO1990010379A1 Spot mounder method and apparatus |
| 09/18/1990 | CA1274183A1 Forwarder |
| 09/05/1990 | EP0385514A1 Method for obtaining torrefied wood, product obtained, and use in the production of energy |
| 09/04/1990 | CA1273550A1 Machine for limbing trees arranged in bundles, especially small trees |
| 08/29/1990 | EP0384446A1 Envelopment for the root stock of plants |
| 08/28/1990 | US4951922 Apparatus for extracting brush with a tractor |
| 08/27/1990 | CA2010407A1 Implement for lopping felled trees |
| 08/23/1990 | DE3905105A1 Cable feeder for a cable winch carried by a vehicle |
| 08/16/1990 | DE3903079A1 Felling wedge with guide webs arranged on one wedge surface |
| 08/14/1990 | US4947906 Debarker |
| 08/14/1990 | US4947904 Apparatus for stacking bolts |
| 08/07/1990 | US4946488 Vehicle-mounted brush cutter |
| 08/07/1990 | CA1272382A1 Device for collecting sap |
| 08/07/1990 | CA1272381A1 Device for collecting sap |
| 07/31/1990 | CA1272104A1 Method for mechanized thinning of a forest, and a harvester and forwarder for carrying out the method |
| 07/31/1990 | CA1272028A1 Method of handling plants |
| 07/26/1990 | WO1990007870A1 Arrangement in guide bars |
| 07/18/1990 | EP0378365A2 Lifting appliance |
| 07/10/1990 | US4939865 Method and container for growing transplantable plants |
| 07/05/1990 | DE3942153A1 Method of dye-marking severed tree stems - using spray head mounted on grapple-type tree-harvester |
| 06/28/1990 | DE3842981A1 Apparatus for uprooting tree stumps or the like |
| 06/26/1990 | US4936361 For a tree felling apparatus |
| 06/23/1990 | CA2006726A1 A loader-harvester and a method of log marking suitable for use with it |
| 06/12/1990 | US4932447 Tree felling apparatus and saw tooth |
| 06/12/1990 | CA1270230A1 Grapple attachment |
| 05/29/1990 | US4929010 Portable lifter |
| 05/22/1990 | US4926597 Device for collecting sap |
| 05/15/1990 | CA1269028A1 Saw tooth for tree feller cutting head |
| 05/09/1990 | EP0366705A1 An assembly intended for tree logging machines |
| 05/08/1990 | US4922976 Apparatus for removing branches from and for crosscutting treetrunks |
| 05/02/1990 | EP0214977B1 An operating system for a tree harvester |
| 05/01/1990 | US4921144 For sowing tree seeds during harvesting |
| 05/01/1990 | US4921024 Method and apparatus to fell a tree |
| 04/25/1990 | EP0209534B1 Tree handling apparatus |
| 04/24/1990 | US4919175 Tree delimbing apparatus |
| 04/19/1990 | DE3835255A1 Skidding tongs |
| 04/17/1990 | US4917567 Log yarder |
| 04/11/1990 | EP0253848B1 Forwarder |
| 04/11/1990 | CN1041085A Tree-trasplanting forcep |
| 04/10/1990 | CA1267590A1 Tree pruning machine |
| 04/05/1990 | DE3833269A1 Undercutter for individual root balls |
| 04/03/1990 | US4913203 Tree harvester |
| 03/27/1990 | US4911215 Clearing land of woody material |