Assignee
SPERRY RAIL INC
US·7 granted patents·229 citations·filing 2001–2020
Top patents by PatentIndex Score
7 records- 0193US9429545B2System and method for non-destructive testing of railroad rails using ultrasonic apparatuses mounted within fluid-filled tires maintained at constant temperaturesSPERRY RAIL INC·Filed 2014·Granted Aug 30, 2016·23 cites·23 claims
- 0292US6600999B2Hi-rail vehicle-based rail inspection systemSPERRY RAIL INC·Filed 2001·Granted Jul 29, 2003·91 cites·30 claims
- 0391US7849748B2Method of and an apparatus for in situ ultrasonic rail inspection of a railroad railSPERRY RAIL INC·Filed 2008·Granted Dec 14, 2010·26 cites·20 claims
- 0490US6594591B2Method and system for processing rail inspection test dataSPERRY RAIL INC·Filed 2002·Granted Jul 15, 2003·57 cites·29 claims
- 0585US11333635B2Rolling search unit for ultrasonic railroad rail inspectionSPERRY RAIL INC·Filed 2020·Granted May 17, 2022·2 cites·27 claims
- 0683US6476603B2Brush assembly for magnetic induction test apparatusSPERRY RAIL INC·Filed 2001·Granted Nov 5, 2002·27 cites·40 claims
- 0772US10913466B2Adaptive rail inspection carriageSPERRY RAIL INC·Filed 2017·Granted Feb 9, 2021·3 cites·27 claims
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