Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
AK

Ajith Kuttannair Kumar

GE: 321 patents #1 of 36,430Top 1%
THTransportation Ip Holdings: 46 patents #1 of 657Top 1%
VSVirident Systems: 12 patents #7 of 20Top 35%
Microsoft: 5 patents #8,808 of 40,388Top 25%
WBWestinghouse Air Brake: 2 patents #88 of 284Top 35%
WTWestern Digital Technologies: 1 patents #1,787 of 3,180Top 60%
STSymbol Technologies: 1 patents #645 of 1,181Top 55%
EMEmc: 1 patents #1,879 of 3,345Top 60%
Erie, PA: #1 of 1,097 inventorsTop 1%
Pennsylvania: #4 of 74,527 inventorsTop 1%
Overall (All Time): #677 of 4,157,543Top 1%
391 Patents All Time

Issued Patents All Time

Showing 251–275 of 391 patents

Patent #TitleCo-InventorsDate
7984677 Altitude compensation system for naturally aspirated railroad locomotive Mikhail Meltser, Bryan Thomas Jett, Neil Xavier Blythe, Ronald David Bauerle 2011-07-26
7980183 Altitude compensation system for controlling smoke emissions from a naturally aspirated railroad locomotive Mikhail Meltser, Bryan Thomas Jett, Neil Xavier Blythe 2011-07-19
7974774 Trip optimization system and method for a vehicle 2011-07-05
7956757 System and method for monitoring an alertness of an operator of a powered system Jason Dean, Patricia Sue Lacy, Christopher McNally 2011-06-07
7954436 Assembly and method for vehicle suspension Adrian Gorski, Bret Dwayne Worden, Jingjun Zhang 2011-06-07
7928596 Systems and methods for the utilization of energy generated by a powered vehicle Amit Pandey 2011-04-19
7928597 Power system and method for driving an electromotive traction system and auxiliary equipment through a common power bus Sudhir Gupta, Bret Dwayne Worden, Jeffrey Louis Daigle, Emil Nikolov, Dimitrios Ioannidis 2011-04-19
7930076 System, method and computer readable media for reducing wheel sliding on a locomotive Wolfgang Daum, Rajeev Verma, Bret Dwayne Worden, Robert J. Stewart 2011-04-19
7922127 System and method for pacing a powered system traveling along a route Glenn Robert Shaffer 2011-04-12
7921946 System and method for cooling a battery 2011-04-12
7918696 System and method for dynamic energy recovery in marine propulsion Wolfgang Daum, Kyle Stott, Rekha Doddarangaiah Prasad, Tab Robert Mong, John Manison 2011-04-05
7917257 Method for determining the rotational velocity of an axle and detecting a locked axle condition 2011-03-29
7886669 Method and system for wind-harnessed battery charging in a locomotive 2011-02-15
7882789 System and method for managing emissions from diesel powered systems Wolfgang Daum 2011-02-08
7873450 System and method for an integrated interface for systems associated with locomotive operation Brian Douglas Lawry 2011-01-18
7866425 Hybrid electric propulsion system and method Robert Dean King, Dongwoo Song, Lembit Salasoo 2011-01-11
7854203 Electrical energy capture system with circuitry for blocking flow of undesirable electrical currents therein 2010-12-21
7772539 System and method for determining characteristic information of an object positioned adjacent to a route 2010-08-10
7772804 Method and apparatus for determining the health of an energy storage system Ramesh C. Bhardwaj 2010-08-10
7770525 System and method for segregating an energy storage system from piping and cabling on a hybrid energy vehicle Stephen Pelkowski, Harold Alan Ellsworth 2010-08-10
7759810 System and method for emergency shutdown of an internal combustion engine 2010-07-20
7728535 Chopper circuit topologies for adapting an electrical braking system in a traction vehicle Henry Todd Young, Alvaro Jorge Mari Curbelo 2010-06-01
7721855 Locomotive dynamic braking grid package configuration Gregory A. Marsh, Theodore Clark Brown 2010-05-25
7723932 Propulsion system Robert Dean King, Lembit Salasoo 2010-05-25
7715958 Hybrid energy power management system and method 2010-05-11