Assignee
CAIRO SYSTEMS INC
US·4 granted patents·456 citations·filing 1997–1998
Top patents by PatentIndex Score
4 records- 0197US5867404AMethod and apparatus for monitoring railway defectsCAIRO SYSTEMS INC·Filed 1997·Granted Feb 2, 1999·160 cites·20 claims
- 0296US5956664AMethod and apparatus for monitoring railway defectsCAIRO SYSTEMS INC·Filed 1997·Granted Sep 21, 1999·134 cites·21 claims
- 0393US6044698AMethod and apparatus including accelerometer and tilt sensor for detecting railway anomaliesCAIRO SYSTEMS INC·Filed 1998·Granted Apr 4, 2000·82 cites·37 claims
- 0481US5987979AMethod and apparatus for detecting railtrack failures by comparing data from a plurality of railcarsCAIRO SYSTEMS INC·Filed 1998·Granted Nov 23, 1999·80 cites·16 claims
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