ZTR CONTROL SYSTEMS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F02B INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL 270
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 282
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
B61C LOCOMOTIVES; MOTOR RAILCARS 115
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 125
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9545935 System and method for interfacing with a portable remote speed control system on a locomotive to enhance speed control and a speed measurement device thereforAug 15, 12Jan 17, 17[B61L]
8850990 Method and apparatus for controlling and enhancing tractive effort in DC traction motors on locomotivesNov 23, 11Oct 07, 14[H02P, B61C, B60L]
8738202 Method and apparatus for controlling sanding on locomotivesNov 18, 11May 27, 14[B61C, G05D]
8538610 System and method for determining whether a locomotive in a consist is in leading mode or trailing modeDec 04, 12Sep 17, 13[G06F]
8346414 System and method for determining whether a locomotive in a consist is in leading mode or trailing modeMar 11, 10Jan 01, 13[G06F]
7680566 System and method for controlling horsepower in a locomotive consistAug 31, 07Mar 16, 10[G05D]
7339283 Electronic load regulatorApr 27, 06Mar 04, 08[F25B]
6691668 Prevention of nuisance activation of locomotive low engine lube oil protection mechanismMay 23, 02Feb 17, 04[F02B]
5265567 EMD locomotive engine protective devices override for use during autostart procedureJun 05, 92Nov 30, 93[F02B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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