LUK LAMELLEN UND KUPPLUNGSBAU GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16H GEARING298
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8690716 Belt-driven conical-pulley transmission and motor vehicle with such a transmissionAug 11, 07Apr 08, 14[F16H]
6354413 Hydrodynamic torque converterMar 13, 01Mar 12, 02[F16H]
5310720 Process for fabricating an integrated circuit device by forming a planarized polysilazane layer and oxidizing to form oxide layerFeb 24, 93May 10, 94[H01L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7377878 Method and apparatus for determining a slip value describing the torque transmission reliability of a belt-driven conical-pulley transmissionExpiredJun 05, 07May 27, 08[F16H]
2008/0096,710 Plate-link chain with convex-concave contact of the rocker membersAbandonedOct 15, 07Apr 24, 08[F16G]
2008/0064,564 Belt-Driven conical-pulley transmission with improved towing suitabilityAbandonedAug 13, 07Mar 13, 08[F16H]
2004/0143,383 Method for controlling and/or adjusting a torque transmission system in the drive chain of a vehicleAbandonedNov 17, 03Jul 22, 04[G06F]
6729198 GearboxExpiredSep 30, 02May 04, 04[F16H]
6336329 Hydraulic cylinderExpiredDec 21, 99Jan 08, 02[F16D, F16J]
5251585 Two-armed leverExpiredFeb 01, 93Oct 12, 93[F01L]
5135091 Apparatus for operating clutches in motor vehiclesExpiredJun 27, 91Aug 04, 92[F16D]
5002168 Friction clutch asssemblyExpiredMay 23, 89Mar 26, 91[F16D]
4895237 Component for use in the power train of a motor vehicleExpiredMar 11, 88Jan 23, 90[F16D]
D302822 Cover side of a friction clutchExpiredMar 28, 85Aug 15, 89[]
D302823 Cover side of a friction clutchExpiredMar 28, 85Aug 15, 89[]
4828092 Friction clutch and method of making a diaphragm spring thereforExpiredNov 30, 87May 09, 89[F16D]
4821855 Torque transmitting assemblyExpiredJul 13, 87Apr 18, 89[F16D, F16H]
D298141 Friction clutchExpiredMay 02, 85Oct 18, 88[]
4747586 Friction clutch and diaphragm spring thereforExpiredMay 12, 87May 31, 88[F16F]
4738343 Friction clutch and actuator thereforExpiredDec 10, 85Apr 19, 88[F16D]
4708230 Declutching deviceExpiredSep 17, 86Nov 24, 87[F16D]
4681200 Friction clutchExpiredJul 02, 86Jul 21, 87[F16D]
4637505 Fluid-operated clutch disengaging apparatusExpiredJun 28, 85Jan 20, 87[F16D]

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