Knorr-Bremse AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 388
 
  
 
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
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 150
 
  
 
B60T VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 172
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5769400 Height and inclination control of a wagon bodyMay 22, 95Jun 23, 98[B60G, B60T, B61F]
5671682 Sway brace with sprung support and supplementary and emergency springSep 29, 95Sep 30, 97[B61F]
5501305 Device for generating a reversible working strokeJun 24, 94Mar 26, 96[F16D]
5439077 Brake disk for wheel disk brakesMar 18, 94Aug 08, 95[F16D]
5404758 Flowmeter for determining flowing mediumsSep 03, 93Apr 11, 95[G01F]
RE30208 Disc brake for railway vehiclesApr 17, 78Feb 12, 80[F16D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7516703 Retractable stepExpiredFeb 20, 04Apr 14, 09[B60R, B61D]
5720366 Disc brake with cam operating deviceExpiredOct 20, 95Feb 24, 98[F16D]
5664646 Disc brake, especially for vehiclesExpiredNov 22, 95Sep 09, 97[F16D]
5515949 Pneumatically operated disk brakeExpiredMay 02, 94May 14, 96[F16D]
5481801 Process for manufacturing a bearing seat for a half-shell bearingExpiredJul 27, 94Jan 09, 96[B23P]
5477739 Process for determining the overrun force of a trailerExpiredApr 19, 94Dec 26, 95[G01L]
5439078 Pneumatically operated sliding-caliper disk brake for commercial vehiclesExpiredMay 02, 94Aug 08, 95[F16D]
5429424 Pneumatic brake for railway locomotives and motor carsExpiredDec 06, 94Jul 04, 95[B60T]
5405182 Method and apparatus for controlling a brake valve based on sensed conditions and a model of the braking systemExpiredOct 26, 92Apr 11, 95[B60T]
5328253 Electropneumatic control system for compressed air brakes of rail carsExpiredSep 27, 93Jul 12, 94[B60T]
5147114 Electrically controllable pressure medium brake for vehiclesExpiredJan 28, 91Sep 15, 92[B60T]
5090519 Disk brake for vehiclesExpiredMay 23, 90Feb 25, 92[F16D]
5074624 Bogie vehicle with electrohydraulic brakes and hydropneumatic suspensionExpiredOct 05, 89Dec 24, 91[B60T, B61F]
5075859 Anti-locking braking system with limited yawing momentExpiredFeb 07, 90Dec 24, 91[G06F]
5052277 Hydraulic cylinder for braking elements of vehiclesExpiredJul 19, 90Oct 01, 91[F01B]
5038896 Brake cylinder for rail vehiclesExpiredApr 12, 90Aug 13, 91[B61H, B60T, F16D]
5020421 Working cylinder without piston rodExpiredMay 07, 90Jun 04, 91[F01B]
5016179 Drive slip regulator for motor vehiclesExpiredJul 13, 89May 14, 91[B60T]
4971179 Brake device for rail vehicles or trainsExpiredJul 24, 89Nov 20, 90[B60T]
4921311 Trailer brake valve for utility vehiclesExpiredApr 18, 88May 01, 90[B60T]

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