Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9895515 | Perfusion catheter system for simultaneous delivery of cardioplegia to the left and right coronary artery | Frank Zheng | 2018-02-20 |
| 9814816 | Artificial ventricles | Frank Zheng | 2017-11-14 |
| 9427503 | Cardiotomy suction tube system with multiple tips | Frank Zheng | 2016-08-30 |
| 9320841 | Ventricular assist device | Frank Zheng | 2016-04-26 |
| 6228018 | Removable left ventricular assist device with an aortic support apparatus | H. Fred Downey | 2001-05-08 |
| 6190304 | Enhanced intra-aortic balloon assist device | H. Fred Downey | 2001-02-20 |
| 6149578 | Piston-action intra-aortic coronary assist device | H. Fred Downey | 2000-11-21 |
| 5891012 | Coronary artery counterpulsation device and method | H. Fred Downey | 1999-04-06 |