Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9827977 | Powertrain with compound-split hybrid transmission having a reduced ravigneaux gear set | Sriram Ravichandran, Kumpatla V Naidu, P Karthikeyan | 2017-11-28 |
| 8556769 | Hybrid transmission with single planetary gear set and multiple operating modes | Alle Kumar Naveen, Kumpatla V Naidu, Sriram Ravichandran | 2013-10-15 |
| 8414440 | Single planetary hybrid powertrain with at least three electrically-variable operating modes | Awadesh Tiwari, Deepa Kesavan, Atul Kumar Agrawal | 2013-04-09 |
| 8409040 | Powertrain with two planetary gear sets and two motor/generators for hybrid vehicle | Alle Kumar Naveen, Kumpatla V Naidu, P Karthikeyan | 2013-04-02 |
| 8152671 | Single clutch, two planetary hybrid architecture | Awadesh Tiwari, Sriram Ravichandran, Kumpatla V Naidu | 2012-04-10 |