Inventor · disambiguated record
Darrel R. Sand
Also filed as: SAND DARREL · SAND DARREL R
8 granted patents·2 pending applications·101 citations·filing 1974–2015
86Inventor score
Top patents by PatentIndex Score
10 records- 0184US8413632B2Zero ridge cylinder boreSAND DARREL·Filed 2010·Granted Apr 9, 2013·5 cites·7 claims
- 0278US8556186B2Fail safe engine coolant thermostatSAND DARREL·Filed 2010·Granted Oct 15, 2013·6 cites·9 claims
- 0377US6475107B1Golf tee height set apparatusFiled 2000·Granted Nov 5, 2002·33 cites·6 claims
- 0468US3977373AClosed loop combustion pressure controlGEN MOTORS CORP·Filed 1974·Granted Aug 31, 1976·20 cites·7 claims
- 0557US9657795B2Stand alone liquid cooled brake systemANNIS RICHARD·Filed 2014·Granted May 23, 2017·1 cites·12 claims
- 0655US6273208B1Variable displacement vehicle engine and solid torque tube drive trainFiled 1998·Granted Aug 14, 2001·25 cites·28 claims
- 0744US4358121ARing gap sealSAND DARREL R·Filed 1980·Granted Nov 9, 1982·11 cites·10 claims
- 0844US2011005852A1Liquid cooled brakeSAND DARREL R·Filed 2010·Application pending·0 cites
- 0943US9292020B2Fail safe engine coolant thermostatSAND DARREL R·Filed 2013·Granted Mar 22, 2016·0 cites·3 claims
- 1032US2016215665A1Impinging oil filterSAND DARREL R·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →