JK

John Franklin Kral

PS Progress Rail Services: 7 patents #5 of 125Top 4%
ED Electro-Motive Diesel: 1 patents #83 of 163Top 55%
General Motors: 1 patents #9,361 of 18,328Top 55%
Overall (All Time): #571,022 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9719434 Locomotive control system having thermal management Douglas Michael Biagini, William Charles Hawkins 2017-08-01
9697964 Locomotive positive power bus contactor method of assembly Sidarta Fornari Beltramin 2017-07-04
9118178 Traction motor drive system for a locomotive Sidarta Fornari Beltramin 2015-08-25
9071178 Continuously variable dynamic brake for a locomotive Sidarta Fornari Beltramin 2015-06-30
8933359 Locomotive positive power bus contactor method of assembly Sidarta Fornari Beltramin 2015-01-13
8820248 Continuously variable dynamic brake for a locomotive Sidarta Fornari Beltramin 2014-09-02
8823293 Traction motor drive system for a locomotive Sidarta Fornari Beltramin 2014-09-02
8596201 Engine warming system for a multi-engine machine 2013-12-03
6634303 Locomotive wheel slip control and method John Ernst Nielsen Madsen 2003-10-21