ContiTech Luftfedersysteme GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION2833
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES475
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 348
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 226
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
B61F RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE 220
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9833947 Method for making an air spring memberOct 14, 14Dec 05, 17[B29C, F16F, B29K]
9709122 Roll-off piston for an air spring rolling-lobe flexible memberApr 10, 14Jul 18, 17[B60G, F16F]
9587700 Roll-off piston for an air spring rolling-lobe flexible memberOct 20, 14Mar 07, 17[B60G, F16F]
9488245 Hydraulic bearingAug 05, 14Nov 08, 16[F16F]
9381783 Air spring for a commercial vehicle including a rolling-lobe flexible member of elastomeric material having ends provided with respective fastening beadsJun 06, 13Jul 05, 16[B60G, F16F]
9334916 Roll-off piston for an air spring rolling-lobe flexible memberOct 31, 13May 10, 16[B60G, F16F]
9105982 Transmitting and/or receiving device for installation in elastic structuresMar 21, 13Aug 11, 15[H01Q]
8931764 Air springFeb 07, 13Jan 13, 15[F16F]
8882087 Pneumatic spring device for a rail vehicleJul 30, 12Nov 11, 14[F16F]
8866591 Identification device for a pneumatic springMar 24, 11Oct 21, 14[H04Q, F16F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0167,337 AIR SPRING PISTON FOR A HEAVY-DUTY VEHICLEAbandonedDec 12, 13Jun 19, 14[F16F]
2013/0001,840 ELASTOMER PRODUCT, IN PARTICULAR AN AIR SPRING HAVING A BELLOWS, HAVING AN ELECTRICAL COMPONENTAbandonedSep 04, 12Jan 03, 13[F16F, H05K, B32B]
2012/0205,845 Hydraulic BearingAbandonedMar 02, 12Aug 16, 12[B60G, B61F, F16F]
2011/0266,728 AIR SPRINGAbandonedJun 10, 11Nov 03, 11[F16F]
7926794 Air spring rolling-lobe flexible member made of elastomeric materialExpiredFeb 24, 05Apr 19, 11[F16F]
7837181 Pneumatic spring provided with a level measuring deviceExpiredApr 28, 04Nov 23, 10[F16F]
7731253 Rubber-sprung rail wheelExpiredNov 19, 05Jun 08, 10[B60B]
2009/0218,740 Highly elastic leaf springAbandonedMay 10, 06Sep 03, 09[B61F]
7402216 Method and device for the production of tubular structures that are reinforced with a strengthening supportExpiredMay 15, 03Jul 22, 08[B32B]
7178753 Thread brakeExpiredMay 15, 03Feb 20, 07[B65H]
6945567 Flexible pipe connecting unitExpiredJul 28, 03Sep 20, 05[F16L]
2005/0199,335 Device and method for the continuous production of tubular structures that are reinforced with a strengthening supportAbandonedFeb 16, 05Sep 15, 05[B65H]
6931930 Method for determining the pressure present in the interior space of an air spring for a motor vehicle and apparatus for carrying out the methodExpiredOct 18, 02Aug 23, 05[G01N]
6905113 Double rolling-lobe spring arrangementExpiredDec 20, 02Jun 14, 05[B60G, F16F]
6817597 Spring-and-shock absorber system having differential roll bellowsExpiredJun 24, 02Nov 16, 04[F16F]
2004/0124,571 Gas spring damper unit for a motor vehicleAbandonedSep 30, 03Jul 01, 04[F16F]
6752388 Spring arrangement having a double rolling-lobe flexible memberExpiredDec 09, 02Jun 22, 04[F16F]
6676115 Spring systemExpiredApr 09, 02Jan 13, 04[F16F]
6637269 Motor vehicle air spring system having an ultrasonic measurement arrangementExpiredOct 19, 01Oct 28, 03[G01N]
6568665 Pneumatic shock-absorberExpiredJan 24, 02May 27, 03[B60G]

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