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

James A. Kessler

VIVickers: 5 patents #9 of 188Top 5%
BLBendix Limited: 2 patents #133 of 548Top 25%
Troy, MI: #464 of 2,712 inventorsTop 20%
Michigan: #13,574 of 86,293 inventorsTop 20%
Overall (All Time): #767,260 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5249140 Electrohydraulic distributed control system with identical master and slave controllers 1993-09-28
5135031 Power transmission Roy T. Burgess, Rajamouli Gunda, Frank Herta, Robert C. Hodges, Richard S. Leemhuis +2 more 1992-08-04
5073091 Power transmission Roy T. Burgess, Rajamouli Gunda, Frank Herta, Robert C. Hodges, Richard S. Leemhuis +2 more 1991-12-17
4917213 Power transmission Gerald A. Gyomory 1990-04-17
4757747 Power transmission Albert Blatter, Jeffrey P Cherry, Ronald E. Chipp, Richard S. Leemhuis, John A. Miller +2 more 1988-07-19
4276600 Oxygen sensor feedback loop digital electronic signal integrator for internal combustion engine control Thomas W. Hartford 1981-06-30
4245314 Oxygen sensor qualifier Robert S. Henrich, Thomas W. Hartford 1981-01-13