Assignee
PRES BLOCK SPA
4 granted patents·117 citations·filing 1975–2006
Top patents by PatentIndex Score
4 records- 0179US6889707B2Pressure actuated shut-off valve with membranePRES BLOCK SPA·Filed 2002·Granted May 10, 2005·29 cites·8 claims
- 0279US6758457B2Connecting member for a fast-fit safety couplingPRES BLOCK SPA·Filed 2001·Granted Jul 6, 2004·44 cites·10 claims
- 0367US3995659AQuick-coupling valved joint for pipes embodying valved male and female coupling elementsPRES BLOCK SPA·Filed 1975·Granted Dec 7, 1976·40 cites·1 claims
- 0462US7600788B2Fast-fit coupling for a fluid circulation systemPRES BLOCK SPA·Filed 2006·Granted Oct 13, 2009·4 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →