Assignee
RAILROAD CONCRETE CROSSTIE COR
US·3 granted patents·46 citations·filing 1979–1981
Technology mixE01C3
Top patents by PatentIndex Score
3 records- 0155US4449666AConcrete railroad tie for supporting grade crossing panelsRAILROAD CONCRETE CROSSTIE COR·Filed 1981·Granted May 22, 1984·21 cites·2 claims
- 0245US4267969ARailroad grade crossing constructionRAILROAD CONCRETE CROSSTIE COR·Filed 1979·Granted May 19, 1981·14 cites·12 claims
- 0336US4457468ARailroad grade crossing constructionRAILROAD CONCRETE CROSSTIE COR·Filed 1981·Granted Jul 3, 1984·11 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →