Global Patent Operation

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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
 
  
 
B61K OTHER AUXILIARY EQUIPMENT FOR RAILWAYS 112
 
  
 
B61L GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 125
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 128
 
  
 
G07C TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS, OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE 146

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9607446 System and method for identifying damaged sections of a routeMar 05, 15Mar 28, 17[B61K, B61L, G07C, E01C, B60L]

Expired/Abandoned/Withdrawn Patents

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