RAILPOWER, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 978
 
  
 
B61C LOCOMOTIVES; MOTOR RAILCARS 79
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 373
 
  
 
B60T VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL 271
 
  
 
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 192
 
  
 
B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT 173
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9102309 System and method for detecting wheel slip and skid in a locomotiveAug 27, 07Aug 11, 15[B61K, B60K, B60T, B61C, B60L]
8941956 Switching ground tether circuitFeb 21, 12Jan 27, 15[B61C, H02H]
8237384 Dynamic braking circuit for a hybrid locomotiveApr 19, 07Aug 07, 12[H02P]
8220572 Multi-power source locomotive selectionJun 15, 07Jul 17, 12[B60W]
7944081 Multi-power source locomotive control method and systemJan 04, 10May 17, 11[H02G, B60L]
7940016 Regenerative braking methods for a hybrid locomotiveAug 09, 05May 10, 11[H02P]
7906862 Multiple prime power source locomotive controlApr 25, 06Mar 15, 11[H02P]
7667347 Multi-power source locomotive control method and systemJan 24, 08Feb 23, 10[H02G, B60L]
7565867 Multiple engine locomotive configurationAug 09, 05Jul 28, 09[B61C]
7518254 Multiple prime power source locomotive controlApr 25, 06Apr 14, 09[H02P]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0101,041 TRANSVERSAL GENERATOR SET AND MODULAR DESIGN FOR REFURBISHMENT OF LOCOMOTIVESAbandonedJun 20, 08Apr 23, 09[B61C, B61D]
7514807 Alternator boost methodExpiredApr 25, 06Apr 07, 09[H02P]
7507500 Design of a large battery pack for a hybrid locomotiveExpiredMay 17, 05Mar 24, 09[H01M]
2008/0290,825 POWER ARCHITECTURE AND BRAKING CIRCUITS FOR DC MOTOR-PROPELLED VEHICLEAbandonedMay 27, 08Nov 27, 08[H02P]
2006/0146,454 Direct turbogeneratorAbandonedNov 05, 03Jul 06, 06[H02H]
2006/0012,334 Automated battery cell shunt bypassAbandonedMay 17, 05Jan 19, 06[H02J]
2005/0279,242 Cabless hybrid locomotiveAbandonedMar 01, 05Dec 22, 05[B61C]
2005/0264,245 Method for monitoring and controlling traction motors in locomotivesAbandonedJun 01, 05Dec 01, 05[H02P]
2005/0206,331 Hybrid locomotive configurationAbandonedMar 08, 05Sep 22, 05[H02P]

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