Assignee
VIANINI SPA
IT·4 granted patents·22 citations·filing 1979–2015
Top patents by PatentIndex Score
4 records- 0172US10435849B2Modular system for the laying of underground and railroad and tram linesVIANINI SPA·Filed 2015·Granted Oct 8, 2019·4 cites·18 claims
- 0243US4273740AProcess and apparatus for manufacturing single piece railroad ties of prestressed concreteVIANINI SPA·Filed 1979·Granted Jun 16, 1981·12 cites·2 claims
- 0330US4633568AMethod of manufacturing reinforced concrete pipe having an evenly distributed steel wire reinforcementVIANINI SPA·Filed 1985·Granted Jan 6, 1987·5 cites·3 claims
- 0423US4702282AReinforced conventional concrete pipe having an evenly distributed steel wire reinforcementVIANINI SPA·Filed 1986·Granted Oct 27, 1987·1 cites·2 claims
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