| Patents for A01G 23 - Forestry (6,442) | 
|---|
| 11/25/1982 | WO1982004105A1 Fluid control system | 
| 11/16/1982 | CA1135599A1 Felling head | 
| 11/09/1982 | CA1135160A1 Tree shear blade structure | 
| 11/02/1982 | US4356644 Root grubbing plow | 
| 11/02/1982 | CA1134721A1 Cutting tool for tree delimbing units | 
| 10/28/1982 | WO1982003528A1 A method and apparatus for harvesting cones from trees, particularly from pine and spruce trees | 
| 10/26/1982 | US4355670 Forestry site preparation system | 
| 10/26/1982 | US4355475 Root grubbing plow | 
| 10/19/1982 | US4354539 System for pulpwood harvesting and delivery | 
| 10/19/1982 | US4354341 Brush cutter | 
| 10/12/1982 | US4353424 Slash gathering vehicle | 
| 09/28/1982 | US4351253 Tree planter and trailer | 
| 09/28/1982 | CA1132443A1 Method and apparatus for harvesting trees | 
| 09/22/1982 | EP0060537A1 Tree-transplanting device | 
| 09/21/1982 | US4350190 Self propelled, off road vehicle | 
| 09/21/1982 | US4350189 Apparatus and method for debranching felled trees | 
| 09/21/1982 | US4350188 Mobile machine for processing trees and trunks | 
| 09/14/1982 | US4349049 Hydraulic safety hose | 
| 09/14/1982 | CA1131548A1 Feller director | 
| 09/07/1982 | US4347686 Fin-stabilized container of foldable sheet material | 
| 08/25/1982 | EP0058165A1 Load skidding vehicle. | 
| 08/24/1982 | CA1130174A1 Tree-felling apparatus | 
| 08/17/1982 | US4344470 Delimbing apparatus | 
| 07/27/1982 | US4341025 Power drive for tree transplanting spoons | 
| 07/27/1982 | US4341017 Tree-pruning and clearing apparatus | 
| 07/20/1982 | US4339908 Vegetation clearing devices | 
| 07/13/1982 | US4338985 Tree and brushwood harvester | 
| 07/06/1982 | US4337595 Method and apparatus for protecting extracts obtained by tapping trees | 
| 07/06/1982 | CA1126949A1 Rock or stump remover assembly | 
| 06/29/1982 | CA1126627A1 Tree delimbing apparatus | 
| 06/24/1982 | WO1982002033A1 A method for marking trees and means for carrying out the method | 
| 06/22/1982 | US4335766 Apparatus and method for delimbing felled trees | 
| 06/22/1982 | US4335631 Method for making a shear blade | 
| 06/08/1982 | CA1125162A2 Corrugated drainage tubing and method and apparatus for making drainage tubing with helically arranged drainage openings | 
| 06/08/1982 | CA1125008A1 Device for uprooting tree stumps | 
| 06/01/1982 | US4332093 Apparatus for uprooting shrubs and the like | 
| 05/11/1982 | CA1123219A1 Process for increasing oleoresin synthesis in pinus species | 
| 04/29/1982 | EP0041515A4 Tree harvester. | 
| 04/27/1982 | US4326571 Mobile device for handling material | 
| 04/27/1982 | US4326570 Tree plantation selective falling and stocking control device | 
| 04/15/1982 | WO1982001117A1 Mechanical method for tapping latex trees by means of manual or automatic devices | 
| 03/30/1982 | US4321761 Device for uprooting tree stumps | 
| 03/16/1982 | CA1119918A1 Timber harvesting machine and method | 
| 03/04/1982 | WO1982000630A1 Load skidding vehicle | 
| 02/09/1982 | US4314693 Device for arborist contractors | 
| 02/09/1982 | US4314592 Tree felling system with cam-operated hydraulic check valve | 
| 02/09/1982 | CA1117850A1 Slicing apparatus for felling trees | 
| 02/02/1982 | US4313479 Draw shear | 
| 02/02/1982 | CA1117399A1 Tree harvester | 
| 01/26/1982 | CA1116982A1 Tree shear head and controls therefor | 
| 01/26/1982 | CA1116981A1 Tree shear | 
| 01/12/1982 | CA1116053A1 Tree-processing apparatus | 
| 12/23/1981 | EP0041950A1 Package and method for packaging ornamental, utility, or wild plants, and plants packaged according to the method. | 
| 12/22/1981 | US4306597 Tree-felling apparatus | 
| 12/22/1981 | CA1114722A1 Harvestering and de-limbing trees | 
| 12/16/1981 | EP0041515A1 Tree harvester. | 
| 12/15/1981 | US4305213 Nursery tree remover | 
| 11/24/1981 | US4301845 Tree shear | 
| 11/24/1981 | US4301605 Excavation and transplanting of plants with a ball of soil | 
| 11/18/1981 | EP0039910A1 Process for extracting rubber and by-products from guayule and guayule-like shrubs | 
| 11/17/1981 | CA1112547A1 Delimber | 
| 11/10/1981 | US4299053 Combination connector | 
| 11/10/1981 | CA1112213A1 Device for collecting and processing tree stumps | 
| 11/03/1981 | CA1111646A1 Pre-planted balls | 
| 10/27/1981 | CA1111331A1 Saw blade and cut tree collecting and bunching means useful in the continuous harvesting of trees | 
| 10/13/1981 | CA1110525A1 Tree harvester | 
| 09/29/1981 | US4291492 Tree slashing apparatus | 
| 09/29/1981 | CA1109719A1 Vehicle-supported carrier for forestry equipment | 
| 09/08/1981 | US4287840 Tree transplanting method and apparatus therefor | 
| 09/01/1981 | US4286398 Apparatus for excavating and transplanting trees and the like | 
| 08/26/1981 | EP0034399A2 Method of making a shear blade | 
| 08/20/1981 | WO1981002263A1 Method for making a shear blade | 
| 08/11/1981 | US4282684 Band type plant transplanter | 
| 08/11/1981 | CA1106736A1 Tree harvesting and processing machine | 
| 08/04/1981 | US4281693 Feller director | 
| 07/28/1981 | US4280539 Tree processing apparatus | 
| 07/21/1981 | US4279281 Automatic branch cut-off device | 
| 07/21/1981 | CA1105519A1 Drawbar for a trailer | 
| 07/21/1981 | CA1105400A1 Tubing for maple syrup | 
| 07/21/1981 | CA1105363A1 Delimbing apparatus | 
| 07/14/1981 | US4278392 Log skidder with folding arch | 
| 07/07/1981 | US4276918 Tree processing unit | 
| 06/30/1981 | EP0025032A4 Tree accumulating apparatus. | 
| 06/25/1981 | WO1981001639A1 Method and package for ornamental,utility,or wild plants,and plants packaged according to the method | 
| 06/23/1981 | US4274457 Tree shear blade structure | 
| 06/23/1981 | CA1103564A1 Tree clamp and shear support structure | 
| 06/16/1981 | US4273169 Cable saw for tree harvesting apparatus | 
| 06/16/1981 | US4273168 Apparatus and method for harvesting trees | 
| 06/16/1981 | CA1103130A1 Accumulator felling head | 
| 06/11/1981 | WO1981001496A1 Tree harvester | 
| 06/09/1981 | US4271879 Hydraulic stump cutting and digging apparatus | 
| 06/09/1981 | US4271611 Tractor-mounted laterally undercutting transplant digging machine | 
| 06/02/1981 | US4270586 Continuous felling of trees | 
| 05/26/1981 | US4269276 Plow attachment assembly for a crawler-type tractor | 
| 05/26/1981 | CA1101762A1 Forestry site preparation system | 
| 05/19/1981 | US4267674 Guard structure for fluid conduits of hydraulic cylinders of mobile apparatus | 
| 05/12/1981 | CA1100935A1 Tree-felling lever | 
| 05/05/1981 | US4265318 Chunk picking machine | 
| 04/14/1981 | CA1099308A1 Articulated cross-country vehicle | 
| 04/07/1981 | CA1098804A1 Device for bulk-lopping, bucking and prestacking in forest harvesting |