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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 175
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121
 
  
 
E02F DREDGING; SOIL-SHIFTING 144
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 1134
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9061594 Pantograph damage and wear monitoring systemAug 06, 08Jun 23, 15[H04N, G06T, B60L, G06K, B60M]
7853412 Estimation of wheel rail interaction forcesJun 08, 06Dec 14, 10[G01L, G01P]
7316084 Track sledding machineJun 14, 01Jan 08, 08[E02F]
6832559 Roller rail clampMay 30, 03Dec 21, 04[E01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0193,275 RAILROAD CROSSINGAbandonedJan 31, 11Aug 01, 13[B61L]
2013/0194,423 Railroad Crossing Warning SystemAbandonedMar 02, 11Aug 01, 13[B61L]
2010/0276,955 TREATMENT OF RAILWAY WHEELSAbandonedJun 19, 08Nov 04, 10[B60B, C21D, C22C]

Top Inventors for This Owner

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