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 226–250 of 391 patents

Patent #TitleCo-InventorsDate
8290645 Method and computer software code for determining a mission plan for a powered system when a desired mission parameter appears unobtainable Ramu Sharat Chandra, Saravanan Thiyagarajan 2012-10-16
8285429 Automatic estimation of train characteristics 2012-10-09
8278879 System and method for providing hybrid energy on a marine vessel 2012-10-02
8280569 Methods and systems for improved throttle control and coupling control for locomotive and associated train Bret Dwayne Worden 2012-10-02
8271153 System, method and computer readable memory medium for verifying track database information 2012-09-18
8249763 Method and computer software code for uncoupling power control of a distributed powered system from coupled power settings James D. Brooks 2012-08-21
8234023 System and method for regulating speed, power or position of a powered vehicle 2012-07-31
8229607 System and method for determining a mismatch between a model for a powered system and the actual behavior of the powered system Kaitlyn Ann Hrdlicka, James D. Brooks 2012-07-24
8212532 Method and system for control of a vehicle energy storage device 2012-07-03
8196519 Vehicle suspension control system and method Bret Dwayne Worden, Jeremy Thomas McGarry 2012-06-12
8188692 Propulsion system 2012-05-29
8188870 System for monitoring an alertness of an operator of a powered system Jason Dean, Patricia Sue Lacy, Christopher McNally 2012-05-29
8190312 System and method for determining a quality of a location estimation of a powered system Vishram Vinayak Nandedkar 2012-05-29
8179084 Variable-speed-drive system for a grid blower Bret Dwayne Worden, Sudhir Gupta, Theodore Clark Brown 2012-05-15
8180544 System and method for optimizing a braking schedule of a powered system traveling along a route Joseph Forrest Noffsinger, David Michael Peltz 2012-05-15
8140203 Method for controlling vehicle operation incorporating quick clearing function Joseph Forrest Noffsinger, Glenn Robert Shaffer 2012-03-20
8136643 Locomotive dynamic braking grid package configuration Gregory A. Marsh, Theodore Clark Brown 2012-03-20
8126601 System and method for predicting a vehicle route using a route network database Kevin Kapp, Eric Vorndran, Daniel Pagano 2012-02-28
8112191 System and method for monitoring the effectiveness of a brake function in a powered system Glenn Robert Shaffer, David Michael Peltz, Joseph Forrest Noffsinger 2012-02-07
8078376 System and method for verifying the availability of a level of a braking system in a powered system 2011-12-13
8028744 Heat sink system and assembly Theodore Clark Brown, Roland Donajkowski 2011-10-04
8025115 Hybrid vehicle power control systems and methods Robert Dean King, Dongwoo Song, Lembit Salasoo, Henry Todd Young 2011-09-27
8006626 System and method for cooling a battery John D. Butine 2011-08-30
8001906 Electric drive vehicle retrofit system and associated method Robert Dean King, Lembit Salasoo 2011-08-23
7999403 System and method for locomotive engine cranking 2011-08-16