VAN DOORNE'S TRANSMISSIE B.V.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16G BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR287
 
  
 
F16H GEARING2872
 
  
 
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 786
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
B23H WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL 219
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 245
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 289
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 127
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 123

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7431674 Continuously variable transmissionDec 10, 03Oct 07, 08[F16H]
7367909 Drive belt and continuously variable transmission wherein such is utilisedSep 15, 03May 06, 08[F16G]
7351172 Scratch preventing metal push belt and oil specificationJul 01, 05Apr 01, 08[F16G]
7303496 Transverse element having a distance surface between a supporting surface and a pulley sheave contact surfaceNov 20, 03Dec 04, 07[F16G]
7201689 Metal driving beltNov 26, 03Apr 10, 07[F16G]
7169072 Metal push belt and oil specification related theretoDec 18, 03Jan 30, 07[F16G]
7130733 Control method for an automatic transmissionApr 08, 03Oct 31, 06[G06F]
7108624 BeltDec 28, 00Sep 19, 06[F16G]
7076986 Process for forming a linking element for a push belt for a continuously variable transmissionJun 14, 04Jul 18, 06[B21D]
7066858 BeltDec 19, 01Jun 27, 06[F16G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0274,848 Drive Belt for a Transmission With Convex Pulley SheavesAbandonedDec 07, 05Nov 06, 08[F16G, F16H]
7175554 Hydraulically controllable constant speed drive and method for the design thereofExpiredJun 29, 01Feb 13, 07[F16H]
6962542 Continuously variable transmission and pulleyExpiredJun 18, 02Nov 08, 05[F16H]
6926631 Continuously variable transmission, endless flexible belt for torque transmission and adjustable pulleyExpiredMay 23, 01Aug 09, 05[F16H]
6913683 Method and device for the production of pipe segments from a hollow pipeExpiredFeb 13, 01Jul 05, 05[C25D, B23H]
6875143 Transmission belt provided with transverse elements having a displaceable contact lineExpiredDec 28, 01Apr 05, 05[F18G]
6869376 Metal push belt and material thereforExpiredMar 19, 02Mar 22, 05[F16G]
6835056 Roller vane pump incorporating a bearing bushExpiredJul 07, 03Dec 28, 04[F16C, F04C]
6830525 BeltExpiredMar 15, 02Dec 14, 04[F16G]
6824483 Control system for continuously variable transmission and continuously variable transmission wherein such is utilizedExpiredJul 25, 02Nov 30, 04[F16H]
6766719 Method and apparatus for removing a plurality of die-cutted products from an operating area of a die-cutting apparatus having multiple diesExpiredJan 10, 03Jul 27, 04[B26D, B21D]
6679805 Control system and continuously variable transmission provided therewithExpiredDec 21, 01Jan 20, 04[F16H]
6652399 Continuously variable transmissionExpiredJun 29, 01Nov 25, 03[F16H]
6464482 Mechanically driven roller vane pumpExpiredSep 29, 00Oct 15, 02[F04B, F04C]
6447277 Mechanically driven roller vane pump with channels between corresponding cam and carrier chambersExpiredSep 29, 00Sep 10, 02[F04C]
6416303 Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambersExpiredSep 29, 00Jul 09, 02[F04B, F04C]
6413066 Mechanically driven roller vane pump with aperture end parts providing for gradual pressure changes in the pump chambersExpiredSep 29, 00Jul 02, 02[F04B, F04C]
6382924 Mechanically driven roller vane pump with enlarged surface area of the aperturesExpiredSep 29, 00May 07, 02[F04B, F04C]
6375445 Roller vane pump having a partly curved vane slotExpiredOct 16, 00Apr 23, 02[F04C]
6196806 Continuously variable transmissionExpiredSep 21, 99Mar 06, 01[F04B]

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