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

David J. Langenderfer

CUCummins: 7 patents #139 of 1,560Top 9%
TETula Etechnology: 2 patents #49 of 93Top 55%
Columbus, IN: #253 of 1,378 inventorsTop 20%
Indiana: #5,297 of 33,936 inventorsTop 20%
Overall (All Time): #685,684 of 4,157,543Top 20%
7 Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12365267 Predicted cooling control systems and methods for electric vehicles Bin LIU, Tony Qin 2025-07-22
11933237 Systems and methods for particulate filter regeneration with cylinder deactivation J. Steven Kolhouse, David Schmidt, Vijay Srinivasan 2024-03-19
11835351 Optimal route planning for electric vehicles Vivek A. Sujan 2023-12-05
11802519 Systems and methods for bypassing a compromised engine cylinder via cylinder deactivation Aaron William Beinborn, J. Steven Kolhouse, David Schmidt 2023-10-31
11691504 Prime mover systems with a power take-off system and a transmission 2023-07-04
11008953 Systems and methods for cylinder deactivation in dedicated EGR engine Akash S. Desai 2021-05-18
10947907 Variable engine braking for thermal management Timothy Shipp 2021-03-16