SPERRY RAIL INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
B61K OTHER AUXILIARY EQUIPMENT FOR RAILWAYS 112
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR166
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9429545 System and method for non-destructive testing of railroad rails using ultrasonic apparatuses mounted within fluid-filled tires maintained at constant temperaturesMay 23, 14Aug 30, 16[B61K, G01N]
6594591 Method and system for processing rail inspection test dataJan 11, 02Jul 15, 03[G01M, G01N, G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6516668 Automatic carriage alignmentExpiredJan 05, 01Feb 11, 03[G01N]
2002/0183,995 System and method for simulating railroad rail testingAbandonedJun 05, 01Dec 05, 02[G06G]
5970438 Method and apparatus for testing rails for structural defectsExpiredApr 07, 98Oct 19, 99[G01M, G01N]
5837880 Compact ultrasonic calibration blockExpiredAug 20, 97Nov 17, 98[G01D]

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