YANGTZE RAILROAD MATERIALS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
1203 LOCOMOTIVES AND ROLLING STOCK FOR RAILWAYS AND ALL OTHER RAIL VEHICLES27
 
 
 
B21J FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES 119
 
 
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121
 
 
 
1204 TELPHER CARRIERS, CHAIR LIFTS AND SKI LIFTS12

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D804991 Hot forged tie plate for railroadAug 24, 16Dec 12, 17[1203]
D804352 Hot forged tie plate for railroadAug 24, 16Dec 05, 17[1203]
D794506 Hot forged tie plate for railroadAug 24, 16Aug 15, 17[1204]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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