GKN WALTERSCHEID GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 3061
 
  
 
A01B SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL 1123
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 664
 
  
 
A01D HARVESTING; MOWING338
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 346
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 353
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 291
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 274
 
  
 
F16H GEARING298
 
  
 
B25G HANDLES FOR HAND IMPLEMENTS 113

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9915294 Protective device for a universal shaft and protective arrangement with a universal shaft and such a protective deviceFeb 09, 17Mar 13, 18[F16P, F16D, A01B, F16J]
9491898 Length adjustable lifting strutAug 01, 12Nov 15, 16[A01B]
9222561 Transmission for use in shredding machinesNov 22, 13Dec 29, 15[B02C, F16H]
8950523 Drive train between the power take-off shaft of a tractor unit and the gearbox of a trailer vehicleNov 13, 12Feb 10, 15[A01D, A01B]
8870667 Telescopic shaft with connection elementNov 07, 12Oct 28, 14[F16C, F16D]
8668065 Torque limiting couplingAug 12, 10Mar 11, 14[B60W, D05B]
8556037 Lubricating nippleAug 27, 10Oct 15, 13[F16N, F16C]
8206226 Torque limiting couplingOct 03, 08Jun 26, 12[F16D]
8202171 Safety guard for a double universal jointJul 16, 09Jun 19, 12[F16D]
8100601 Connection arrangement, especially between a feed roller and a gearbox of a field chopperJul 14, 09Jan 24, 12[B25G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0121,854 GearboxAbandonedNov 08, 12May 16, 13[F04B]
2012/0283,027 Central Lubrication of Articulated ShaftsAbandonedMay 03, 12Nov 08, 12[F16N, F16C]
7950209 Drive arrangement for an agricultural machineExpiredJul 15, 09May 31, 11[A01D]
2005/0115,723 Coupling hookAbandonedOct 07, 04Jun 02, 05[A01B]
2005/0103,592 Coupling used for torque limiting purposesAbandonedOct 12, 04May 19, 05[F16D]
2005/0047,849 Linear adjustment elementAbandonedAug 26, 04Mar 03, 05[F16B]
6857457 Rotary feedthrough for a device for inflating or deflating a tire of a tractor wheelExpiredFeb 25, 03Feb 22, 05[B60C]
6758285 Coupling for coupling pulled implements or trailer having a drawbar to a tractorExpiredNov 04, 02Jul 06, 04[B60D, A01B]
6659192 Hydraulic lift device for an attaching deviceExpiredMay 21, 02Dec 09, 03[A01B]
6550511 Arrangement comprising a wheel and a device for filling or deflating a tire of a vehicle, especially of a tractorExpiredSep 12, 01Apr 22, 03[B60C]
6412525 Device for filling or deflating a tire of a vehicle, especially of a tractorExpiredSep 12, 01Jul 02, 02[B65B]
6386571 Side strut for a lower steering arm of a tractorExpiredSep 15, 00May 14, 02[B60D]
6367369 Side strut for a lower steering arm of a tractorExpiredSep 15, 00Apr 09, 02[F16J]
6354951 Drive assembly with a setting deviceExpiredSep 01, 00Mar 12, 02[F16D]
6354953 Bearing ring for supporting a protective deviceExpiredAug 26, 99Mar 12, 02[F16C]
6283488 Device for stabilizing the lower steering arms of a tractorExpiredOct 08, 98Sep 04, 01[B60D]
6267023 Lower steering arm assembly for an implement attaching deviceExpiredOct 22, 99Jul 31, 01[G05G]
6253859 Lifting device for the lower steering arms of an attaching device of a tractorExpiredJan 07, 00Jul 03, 01[A01B]
6227305 Lower steering arm assembly for an attaching device of a tractorExpiredOct 22, 99May 08, 01[B60D, A01B]
6203047 Device for stabilizing the two lower steering arms of a tractorExpiredOct 05, 99Mar 20, 01[B60D, A01B]

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