Assignee
ALSTOM SIGNALING INC
US·4 granted patents·40 citations·filing 1998–2003
Top patents by PatentIndex Score
4 records- 0149US6427949B1Contactless point detection system for railroad switchALSTOM SIGNALING INC·Filed 2001·Granted Aug 6, 2002·18 cites·8 claims
- 0242US6572056B2Method and apparatus for uniform time warning of railroad trainsALSTOM SIGNALING INC·Filed 2001·Granted Jun 3, 2003·10 cites·7 claims
- 0327US5909182AVandal resistant light signal unitALSTOM SIGNALING INC·Filed 1998·Granted Jun 1, 1999·8 cites·8 claims
- 0426US6834836B2Binary data transmission capability incorporated into pulse coded railroad signaling systemALSTOM SIGNALING INC·Filed 2003·Granted Dec 28, 2004·4 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →