Inventor · disambiguated record
John Sharkey
Also filed as: SHARKEY JOHN · SHARKEY JOHN T
2 granted patents·1 pending application·38 citations·filing 2003–2005
60Inventor score
Technology areasB61L
Files withSAFETRAN SYSTEMS CORP2
Top patents by PatentIndex Score
3 records- 0187US7575202B2Apparatus and methods for providing relatively constant warning time at highway-rail crossingsSAFETRAN SYSTEMS CORP·Filed 2005·Granted Aug 18, 2009·34 cites·22 claims
- 0254US7441727B2Highway-rail grade crossing controller with out of service modeSAFETRAN SYSTEMS CORP·Filed 2005·Granted Oct 28, 2008·4 cites·9 claims
- 0332US2004201486A1Solid state crossing controller and related methodsFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →