Individual holder
ZHANG GEOFFREY R
US·2 granted patents·18 citations·filing 2009–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0179US9279529B2Breakaway thread-lock quick connect/disconnect couplingZHANG GEOFFREY R·Filed 2011·Granted Mar 8, 2016·12 cites·20 claims
- 0258US8480133B2Pressure balanced transfer tube assembly with first and second inner housings that move telescopicallyZHANG GEOFFREY R·Filed 2009·Granted Jul 9, 2013·6 cites·15 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →