Inventor · disambiguated record
Roy Christopher Fonseca
Also filed as: FONSECA ROY C · FONSECA ROY CHRISTOPHER
6 granted patents·1 pending application·48 citations·filing 2003–2012
82Inventor score
Top patents by PatentIndex Score
7 records- 0173US7876061B2Power system with multiple generator unitsPROGRESS RAIL SERVICES CORP·Filed 2007·Granted Jan 25, 2011·12 cites·18 claims
- 0267US9415781B2Dual engine locomotiveHARDIN W JACK·Filed 2009·Granted Aug 16, 2016·7 cites·17 claims
- 0367US7952306B2Power system with multiple generator unitsPROGRESS RAIL SERVICES CORP·Filed 2007·Granted May 31, 2011·11 cites·17 claims
- 0458US7893636B2Mobile machine with one or more electric propulsion motorsPROGRESS RAIL SERVICES CORP·Filed 2007·Granted Feb 22, 2011·7 cites·19 claims
- 0555US8319356B2System for starting power systems with multiple generator unitsFONSECA ROY C·Filed 2008·Granted Nov 27, 2012·4 cites·14 claims
- 0649US7295098B2Systems and methods for providing theft protection in a machineCATERPILLAR INC·Filed 2003·Granted Nov 13, 2007·7 cites·35 claims
- 0739US2016102643A9System for starting power systems with multiple generator unitsPROGRESS RAIL SERVICES CORP·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →