| CA860080A
              (en)
            
            * | 1968-01-29 | 1971-01-05 | Benedetto Domenico | Modified processor and components | 
        
          | US3556183A
              (en)
            
            * | 1968-06-25 | 1971-01-19 | Youngstown Sheet And Tube Co | Tree harvester | 
        
          | USRE30153E
              (en)
            
            * | 1968-06-25 | 1979-11-20 | Youngstown Sheet And Tube Company | Tree harvester | 
        
          | US3664391A
              (en)
            
            * | 1970-03-16 | 1972-05-23 | Horace D Coffey | Tree cutting and piling apparatus | 
        
          | US3683979A
              (en)
            
            * | 1970-07-22 | 1972-08-15 | Waino Peltola | Timber harvester | 
        
          | US3669161A
              (en)
            
            * | 1970-07-27 | 1972-06-13 | Caterpillar Tractor Co | Drive mechanism for tree harvesters | 
        
          | US3717185A
              (en)
            
            * | 1970-07-27 | 1973-02-20 | Caterpillar Tractor Co | Delimbing assembly for tree harvesters | 
        
          | US3731720A
              (en)
            
            * | 1970-07-27 | 1973-05-08 | Caterpillar Tractor Co | Shear assembly for tree harvesters | 
        
          | US3698457A
              (en)
            
            * | 1971-02-24 | 1972-10-17 | American Pulpwood Ass | Tree harvesting device and method | 
        
          | US3735786A
              (en)
            
            * | 1971-06-15 | 1973-05-29 | R Vit | Apparatus for delimbing and loading full-length trees | 
        
          | US3797539A
              (en)
            
            * | 1971-09-30 | 1974-03-19 | Caterpillar Tractor Co | Pulpwood harvester | 
        
          | US3809134A
              (en)
            
            * | 1971-12-29 | 1974-05-07 | Cabe T Mc | Device for delimbing trees | 
        
          | US3911980A
              (en)
            
            * | 1972-01-10 | 1975-10-14 | Owens Illinois Inc | Tree harvesting machine of a walking type | 
        
          | US3812892A
              (en)
            
            * | 1972-06-09 | 1974-05-28 | Eaton Yale Ltd | Tree harvester and method | 
        
          | US3757837A
              (en)
            
            * | 1972-07-27 | 1973-09-11 | Deere & Co | Self-propelled tree delimber | 
        
          | US3881533A
              (en)
            
            * | 1972-09-29 | 1975-05-06 | Donald D Savage | Tree harvester | 
        
          | FR2205266B1
              (en:Method)
            
            * | 1972-11-03 | 1975-03-14 | Castel Rene |  | 
        
          | JPS4995581U
              (en:Method)
            
            * | 1972-12-08 | 1974-08-17 |  |  | 
        
          | FI49900C
              (fi)
            
            * | 1972-12-30 | 1975-11-10 | Tapio Saarenketo | Puunkorjuumenetelmä ja -laite | 
        
          | DE2310677A1
              (de)
            
            * | 1973-03-03 | 1974-09-05 | Eisenhut Georg Dr Dr | Vorrichtung zum faellen und ruecken von waldbaeumen | 
        
          | US3823753A
              (en)
            
            * | 1973-04-09 | 1974-07-16 | Caterpillar Tractor Co | Tree harvester with supplemental grapple | 
        
          | US3902538A
              (en)
            
            * | 1974-06-10 | 1975-09-02 | Muirhead Machinery Ltd | Tree falling apparatus | 
        
          | US3960189A
              (en)
            
            * | 1975-03-20 | 1976-06-01 | Eaton Yale Ltd. | Method for processing trees and apparatus used therein | 
        
          | US3960190A
              (en)
            
            * | 1975-06-04 | 1976-06-01 | Eaton Yale Ltd. | Method and apparatus for harvesting sheared trees | 
        
          | US3999582A
              (en)
            
            * | 1975-06-04 | 1976-12-28 | Allen Charles A | Method and apparatus for processing and harvesting trees | 
        
          | US4108224A
              (en)
            
            * | 1976-10-13 | 1978-08-22 | Caterpillar Tractor Co. | Tree shear tilting mechanism | 
        
          | SE450356B
              (sv)
            
            * | 1982-06-21 | 1987-06-22 | Osa Ab | Sett for kapning av frihengande vesentligen horisontella objekt sasom stockar och liknande, och anordning for utforande av settet | 
        
          | FI67288C
              (fi)
            
            * | 1982-12-21 | 1985-03-11 | Valmet Oy | Gripskoerdare | 
        
          | FI70505C
              (fi)
            
            * | 1984-12-14 | 1986-09-24 | Nokka Koneet Jorma Nokkala | Traedbehandlingsanordning | 
        
          | US5129438A
              (en)
            
            * | 1990-11-21 | 1992-07-14 | Logging Development Corporation | Boom mounted type tree processing head and mounting therefore | 
        
          | SE467992B
              (sv)
            
            * | 1991-02-21 | 1992-10-19 | Sune Larsson | Anordning vid traedbearbetningsaggregat | 
        
          | US5709254A
              (en)
            
            * | 1996-06-18 | 1998-01-20 | Argue; Fletcher | Tree harvesting apparatus | 
        
          | GB9705183D0
              (en)
            
            * | 1997-03-13 | 1997-04-30 | Stressline Patents Limited | Cutting mechanism | 
        
          | US6990770B2
              (en)
            
            * | 2003-10-06 | 2006-01-31 | Steven J. Terrell & Associates, Inc. | Apparatus for trimming and chemically treating trees | 
        
          | US7086435B1
              (en) | 2005-07-29 | 2006-08-08 | Coulbourn Jr Edwin T | Tree harvesting apparatus and method which enable a cut top or other cut portion of a tree to be weighed before being dropped or lowered to the ground | 
        
          | US8176954B1
              (en)
            
            * | 2008-03-05 | 2012-05-15 | Coulbourn Jr Edwin T | Nonbinding tree harvesting apparatus and method | 
        
          | US11690324B2
              (en) | 2011-05-05 | 2023-07-04 | Steven J Terrell | Apparatus for aerial tool configurations | 
        
          | US9307704B2
              (en) | 2011-05-05 | 2016-04-12 | Steven J. Terrell | Apparatus for general tree trimming or precision tree trimming | 
        
          | US11382279B2
              (en) | 2011-05-05 | 2022-07-12 | Steven J Terrell | Apparatus for aerial tool configurations | 
        
          | US10492373B2
              (en) | 2011-05-05 | 2019-12-03 | Steven J Terrell | Apparatus for aerial tool configurations | 
        
          | US10798877B2
              (en) | 2011-05-05 | 2020-10-13 | Steven J Terrell | Apparatus for aerial tool configurations | 
        
          | US10492372B2
              (en) | 2011-05-05 | 2019-12-03 | Steven J Terrell | Apparatus for aerial tool configurations | 
        
          | US11330766B2
              (en) | 2011-05-05 | 2022-05-17 | Steven J Terrell | Apparatus for aerial tool configurations | 
        
          | NO20130805A1
              (no) | 2013-06-10 | 2014-12-11 | Mhwirth As | Løftearmsammenstilling og fremgangsmåte for å bytte ut en holder i nevnte løftearmsammenstilling | 
        
          | US20150144225A1
              (en)
            
            * | 2013-11-26 | 2015-05-28 | Deere & Company | Debarking blade arrangement |