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 201–225 of 391 patents

Patent #TitleCo-InventorsDate
8494696 System, method, and computer software code for improved fuel efficiency emission output, and mission performance of a powered system Wolfgang Daum, Eric Dillen, David Ducharme, Glenn Robert Shaffer, Roy James Primus +2 more 2013-07-23
8468952 Dynamic weight management for a vehicle via hydraulic actuators Bret Dwayne Worden, Michael Marley, Amit Iyer, Adrian Gorski 2013-06-25
8473127 System, method and computer software code for optimizing train operations considering rail car parameters Wolfgang Daum, John Erik Hershey, David Michael Peltz, Glenn Robert Shaffer, Joseph Forrest Noffsinger +1 more 2013-06-25
8468347 Secure network communications Prakash Umasankar Mukkara, Subbaraju Uppalapati, Vishnu Vardhan, Sureshkumar Thangavel 2013-06-18
8463469 Digital railroad system Wolfgang Daum, Gerald Douglas Rose, Glenn Robert Shaffer, Tom Otsubo, Gerald Hess +1 more 2013-06-11
8452467 System and method for verifying track database information 2013-05-28
8443735 Vehicle and truck assembly Bret Dwayne Worden, Michael Marley, Amit Iyer, Adrian Gorski 2013-05-21
8442708 System and method for pacing a powered system traveling along a route Glenn Robert Shaffer 2013-05-14
8421266 Power distribution systems for powered rail vehicles 2013-04-16
8418626 Assembly and method for vehicle suspension Adrian Gorski, Bret Dwayne Worden, Jingjun Zhang 2013-04-16
8401720 System, method, and computer software code for detecting a physical defect along a mission route Wolfgang Daum, Glenn Robert Shaffer, Christopher McNally 2013-03-19
8398405 System, method, and computer software code for instructing an operator to control a powered system having an autonomous controller 2013-03-19
8371230 Rail vehicle system 2013-02-12
8374738 Method for controlling vehicle operation incorporating quick clearing function Joseph Forrest Noffsinger, Glenn Robert Shaffer 2013-02-12
8371232 System and method for modification of a baseline ballast arrangement of a locomotive Bret Dwayne Worden 2013-02-12
8371233 System and method for dynamically affecting a force applied through a rail vehicle axle Bret Dwayne Worden 2013-02-12
8373301 System and method for providing power to two loads from a single three-phase inverter 2013-02-12
8370006 Method and apparatus for optimizing a train trip using signal information Wolfgang Daum, Tom Otsubo, John Erik Hershey, Gerald Hess 2013-02-05
8370007 Method and computer software code for determining when to permit a speed control system to control a powered system James D. Brooks 2013-02-05
8341300 Systems for sustained read and write performance with non-volatile memory Vijay Karamcheti, Shibabrata Mondal 2012-12-25
8330291 Power generation apparatus 2012-12-11
8311699 Automatic brake verification system Timothy W. Brown, Henry Todd Young 2012-11-13
8299756 System and method for battery control Monika Chawla, Amol Rajaram Kolwalkar, Ajit Wasant Kane, Stephen Pelkowski, Lembit Salasoo 2012-10-30
8295993 System, method, and computer software code for optimizing speed regulation of a remotely controlled powered system 2012-10-23
8292052 Power transfer system and method Adnan Kutubuddin Bohori, Bret Dwayne Worden, James William Bray, Somakumar Ramachandrapanicker, Arvind Kumar Tiwari +1 more 2012-10-23