Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801937 | Method and apparatus for determining kinematic viscosity through the transmission and reception of ultrasonic energy | Herbert Estrada, Donald R. Augenstein, Calvin R. Hastings | 2020-10-13 |
| 9448150 | Method and apparatus for determining kinematic viscosity through the transmission and reception of ultrasonic energy | Herbert Estrada, Donald R. Augenstein, Calvin R. Hastings | 2016-09-20 |
| 8590397 | Ultrasonic flow meter including a transducer having conical face | Donald R. Augenstein | 2013-11-26 |
| 8181536 | Ultrasonic Flow Meter including a transducer having conical face | Donald R. Augenstein | 2012-05-22 |