Assignee
CON SPAN BRIDGE SYSTEMS LTD
US·9 granted patents·1 pending application·220 citations·filing 2003–2005
Top patents by PatentIndex Score
10 records- 0184US6854928B2Precast concrete culvert systemCON SPAN BRIDGE SYSTEMS LTD·Filed 2003·Granted Feb 15, 2005·30 cites·10 claims
- 0283USD490533SConcrete tunnel for a rapid transit trainCON SPAN BRIDGE SYSTEMS LTD·Filed 2003·Granted May 25, 2004·29 cites·1 claims
- 0382US7001110B2Precast concrete retaining wallCON SPAN BRIDGE SYSTEMS LTD·Filed 2004·Granted Feb 21, 2006·27 cites·9 claims
- 0482USD484610SConcrete tunnel for a rapid transit trainCON SPAN BRIDGE SYSTEMS LTD·Filed 2003·Granted Dec 30, 2003·28 cites·1 claims
- 0581USD511387SConcrete bridge unit with integral footersCON SPAN BRIDGE SYSTEMS LTD·Filed 2004·Granted Nov 8, 2005·29 cites·1 claims
- 0674US6962465B2Method for improving the environment within soil embedded culvert and bridge systemsCON SPAN BRIDGE SYSTEMS LTD·Filed 2004·Granted Nov 8, 2005·16 cites·20 claims
- 0771USD511215SPrecast concrete bridge unitCON SPAN BRIDGE SYSTEMS LTD·Filed 2004·Granted Nov 1, 2005·27 cites·1 claims
- 0870USD514706SConcrete bridge and headwall unitCON SPAN BRIDGE SYSTEMS LTD·Filed 2004·Granted Feb 7, 2006·18 cites·1 claims
- 0962USD512513SConcrete bridge and headwall unitCON SPAN BRIDGE SYSTEMS LTD·Filed 2004·Granted Dec 6, 2005·16 cites·1 claims
- 1044US2006201091A1Open bottom fiber reinforced precast concrete arch unitCON SPAN BRIDGE SYSTEMS LTD·Filed 2005·Application pending·0 cites
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