ALLIEDSIGNAL TRUCK BRAKE SYSTEMS COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 8126
 
  
 
B60T VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 667
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 243
 
  
 
F26B DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 228
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 254
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B21K MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS 122
 
  
 
B60G VEHICLE SUSPENSION ARRANGEMENTS 150
 
  
 
B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL 163
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6386649 Two solenoid pressure modulated relay valve with integral quick release function for ABSOct 01, 99May 14, 02[B60T]
6358291 Trailer air dryer with bypass valving and service indicatorSep 17, 99Mar 19, 02[B01D]
6354408 Adapter plate for disc brake installationDec 13, 99Mar 12, 02[F16D]
6319296 Air system bypass for oil separatorAug 13, 99Nov 20, 01[B01D]
6308793 Proportional load transfer valve for suspension control with 6.times.2 automatic traction controlMar 22, 99Oct 30, 01[B60G]
6305759 Trailer ABS modulator with direct exhaust and control line/volume drain capabilityAug 19, 98Oct 23, 01[B60T]
6264291 Spring brake actuator with integral biased double check valve for anti-compounding and roll-back protectionSep 30, 99Jul 24, 01[B60T]
6240947 Solenoid valve seat and method of making sameAug 24, 99Jun 05, 01[B21K, B21D]
6237401 Modulator mis-wire testApr 15, 99May 29, 01[G01L]
6209971 Non flow-through solenoid for heavy vehicle ABS modulatorsJun 30, 98Apr 03, 01[B60T]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6392864 Electrical driver circuit for direct acting cantilever solenoid valveExpiredSep 10, 99May 21, 02[H01H]
6325468 EBS modulator with direct exhaust capabilityExpiredOct 02, 98Dec 04, 01[B60T]
6286538 Check valveExpiredDec 03, 99Sep 11, 01[F16K]
6254048 Solenoid clampExpiredAug 30, 99Jul 03, 01[A47F]
6167354 Method and apparatus for monitoring brake operation in an anti-lock or electronic braking systemExpiredOct 19, 98Dec 26, 00[B60T, G01P]
6147590 Electronic treadle linkage assemblyExpiredSep 10, 99Nov 14, 00[H01C]
6113367 Oil-less/oil-free air brake compressor with a dual piston arrangementExpiredAug 25, 99Sep 05, 00[F04B]
6062652 Pneumatic system to fast fill trailer reservoirsExpiredFeb 06, 98May 16, 00[B60T]
6017992 Production of polymer emulsionsExpiredJun 30, 98Jan 25, 00[C08F]
5979503 ABS modulator solenoid with a pressure balancing pistonExpiredAug 22, 97Nov 09, 99[F15B]
5945743 Supervisory integrated circuit for anti-lock brake system unitsExpiredApr 02, 97Aug 31, 99[B60L]
5926016 Custom integrated wheel-speed sensor circuit with sensitivity adjustmentExpiredJan 31, 96Jul 20, 99[G01P, G01R]
5912576 Clocked registerExpiredMar 21, 97Jun 15, 99[H03K]
5736852 Circuit and method for conditioning a wheel speed sensor signalExpiredJun 21, 95Apr 07, 98[G01P, G01B, G01R]
5729164 Solenoid driver interface custom integrated circuitExpiredJan 11, 96Mar 17, 98[H03K]
5575541 Air supply system and method with enhanced purge capacityExpiredJun 26, 95Nov 19, 96[B60T]
5517431 Speed sensor and conditioning circuitExpiredFeb 28, 94May 14, 96[G01P]
5458677 Air dryer mechanism with flow regulated purge pressureExpiredMay 05, 94Oct 17, 95[B01D]
5404303 Solenoid current driver circuitExpiredFeb 14, 94Apr 04, 95[B60T]

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