Individual holder
SAND DARREL R
2 granted patents·2 pending applications·11 citations·filing 1980–2015
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0144US4358121ARing gap sealSAND DARREL R·Filed 1980·Granted Nov 9, 1982·11 cites·10 claims
- 0244US2011005852A1Liquid cooled brakeSAND DARREL R·Filed 2010·Application pending·0 cites
- 0343US9292020B2Fail safe engine coolant thermostatSAND DARREL R·Filed 2013·Granted Mar 22, 2016·0 cites·3 claims
- 0432US2016215665A1Impinging oil filterSAND DARREL R·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →