Inventor · disambiguated record
David Cowen
Also filed as: COWEN DAVID · COWEN DAVID L · COWEN DAVID W
8 granted patents·1 pending application·44 citations·filing 1983–2019
83Inventor score
Files withWESTINGHOUSE BRAKE & SIGNAL4COWEN DAVID2JHA AKHLLESH K1SIEMENS MOBILITY INC1SIEMENS MOBILITY LTD1
Top patents by PatentIndex Score
9 records- 0184US10628263B1Logfile-related technologies and techniquesCOWEN DAVID·Filed 2014·Granted Apr 21, 2020·22 cites·20 claims
- 0283US10782013B1Remote control caseCOWEN DAVID·Filed 2019·Granted Sep 22, 2020·5 cites·19 claims
- 0343US11161532B2Monitoring system, wayside LED signal, and method for monitoring a wayside LED signalSIEMENS MOBILITY INC·Filed 2016·Granted Nov 2, 2021·0 cites·17 claims
- 0441US11801878B2Sensor unit for detecting the approach of a train and system with said sensor unitSIEMENS MOBILITY LTD·Filed 2019·Granted Oct 31, 2023·0 cites·12 claims
- 0536US4763290AApparatus for performing a fast Fourier transformWESTINGHOUSE BRAKE & SIGNAL·Filed 1986·Granted Aug 9, 1988·8 cites·6 claims
- 0632US2006144992A1Transformable fluid foil with pivoting sparsJHA AKHLLESH K·Filed 2004·Application pending·0 cites
- 0730US4672223AProving safe operationWESTINGHOUSE BRAKE & SIGNAL·Filed 1984·Granted Jun 9, 1987·3 cites·2 claims
- 0829US4636933APower control circuit with digital pulse width controlWESTINGHOUSE BRAKE & SIGNAL·Filed 1985·Granted Jan 13, 1987·3 cites·7 claims
- 0925US4560943AF.M. demodulator with fail-safe featuresWESTINGHOUSE BRAKE & SIGNAL·Filed 1983·Granted Dec 24, 1985·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →