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

Leonard Hill

GE: 5 patents #6,802 of 36,430Top 20%
Erie, PA: #205 of 1,097 inventorsTop 20%
Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,021,641 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7949441 System and method for selectively limiting tractive effort to facilitate train control Mirza A. Baig, Richard L. Evans, Scott Sexauer, Christopher E. Pallo, Ning Zhang +3 more 2011-05-24
7500436 System and method for managing emissions from mobile vehicles Ajith Kuttannair Kumar, Steven Matthew Pelkowski, Mark Bradshaw Kraeling, Glen Paul Peltonen, James Kiss +7 more 2009-03-10
7444944 Multiple engine hybrid locomotive Ajith Kuttannair Kumar, Robert Dean King, Chi-Houng Lu 2008-11-04
7302895 Configurable locomotive Ajith Kuttannair Kumar, Glenn Robert Shaffer, Wolfgang Daum, James Glen Corry, Daniel Wolf +1 more 2007-12-04
6922619 System and method for selectively limiting tractive effort to facilitate train control Mirza A. Baig, Richard L. Evans, Scott Sexauer, Christopher E. Pallo, Ning Zhang +3 more 2005-07-26