Timberjack, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A01G HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS, OR SEAWEED; FORESTRY; WATERING 923
 
  
 
B27B SAWS; COMPONENTS OR ACCESSORIES THEREFOR 421
 
  
 
A01B SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL 133
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 150
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144
 
  
 
F16H GEARING199

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7699081 Felling head accumulator armDec 22, 06Apr 20, 10[A01G]
7481051 Tree feller power managementApr 07, 05Jan 27, 09[A01G, F16H]
7412315 Steering system for articulated vehiclesAug 27, 03Aug 12, 08[A01B]
7174932 Felling head accumulator armMay 05, 04Feb 13, 07[A01G]
7007727 Disc saw felling head housing improvementsJun 10, 03Mar 07, 06[A01G]
6769343 Tree felling disc saw tooth and blade constructionJul 06, 01Aug 03, 04[B27B]
6691752 High rotation felling head mechanismSep 14, 01Feb 17, 04[A01G]
6578610 Automatic feller/buncher clamp controlJun 22, 01Jun 17, 03[B23Q, A01G]
6557453 Hydraulic boom controlMar 30, 01May 06, 03[F15B]
6173973 Forestry machine swing-house leveling mechanismJun 11, 99Jan 16, 01[B60G, B62D, A01G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7249457 Hydraulic gravitational load energy recuperationExpiredFeb 16, 06Jul 31, 07[F15B]
7165397 Anti-stall pilot pressure control system for open center systemsExpiredNov 09, 04Jan 23, 07[F16D]
7007730 Apparatus and method for severing a tree and reducing the tree stumpExpiredOct 16, 03Mar 07, 06[A01G]
6374877 Bar saw feller buncher and method of felling treesExpiredAug 04, 00Apr 23, 02[A01G]
5333452 Shaft drive hydraulic system and isolated hydraulic systemExpiredAug 31, 92Aug 02, 94[F16D]
5170825 Boom support for a disc saw felling headExpiredSep 05, 91Dec 15, 92[A01G]
4576406 Rotational grappleExpiredMay 07, 84Mar 18, 86[B66C]
4573728 Snubbing apparatus for grapples and the likeExpiredJul 19, 84Mar 04, 86[F16F, B66C]
4572567 Snubbing apparatus for grapples and the likeExpiredApr 26, 84Feb 25, 86[F16F, B66C]
D281428 Mine carrier vehicleExpiredMay 10, 82Nov 19, 85[]
4470612 Drive and suspension arrangementExpiredDec 13, 82Sep 11, 84[B60K]
4452287 Feller assembly for tree harvesting apparatusExpiredJul 19, 82Jun 05, 84[A01G]
4451194 Integral heel tree length grappleExpiredApr 26, 82May 29, 84[B66C]
4446897 Improvements in disc felling headsExpiredJan 27, 82May 08, 84[A01G]
4396215 Log grapple deviceExpiredAug 24, 81Aug 02, 83[F15B, B66C]
4384674 Self-cleaning nozzleExpiredJun 08, 81May 24, 83[B05B]
4342534 Grapple head harnessExpiredMay 30, 80Aug 03, 82[B66C]
4337926 Winch controlExpiredSep 02, 80Jul 06, 82[B66D]
4291734 Tree processing apparatusExpiredJan 17, 80Sep 29, 81[B27L]
4289177 Tree processing apparatusExpiredJan 17, 80Sep 15, 81[B27L]

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