Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131572 | Smooth bore, chordal transit-time ultrasonic meter and method | Donald R. Augenstein, Herbert Estrada | 2021-09-28 |
| 10539445 | Smooth bore, chordal transit-time ultrasonic meter and method | Donald R. Augenstein, Herbert Estrada | 2020-01-21 |
| 9840885 | Sub-sea chemical injection metering valve | Edmund Peter McHugh, James Eden White, Donald R. Augenstein | 2017-12-12 |
| 9772207 | Smooth bore, chordal transit-time ultrasonic flow meter that eliminates dependence of meter factor on Reynolds Number | Donald R. Augenstein, Herbert Estrada | 2017-09-26 |
| 9140593 | Smooth bore, chordal transit-time ultrasonic meter and method | Donald R. Augenstein, Herbert Estrada | 2015-09-22 |
| 9062527 | Sub-sea chemical injection metering valve | Edmund Peter McHugh, James Eden White, Donald R. Augenstein | 2015-06-23 |
| 8763693 | Sub-sea chemical injection metering valve | Edmund Peter McHugh, James Eden White, Donald R. Augenstein | 2014-07-01 |
| 8438935 | Smooth bore, chordal transit-time ultrasonic meter and method | Donald R. Augenstein, Herbert Estrada | 2013-05-14 |
| 8132463 | Method and apparatus for detecting voids in a pipe | Herbert Estrada, Ernest M. Hauser, Donald R. Augenstein | 2012-03-13 |
| 7366625 | Method, apparatus and computer medium for correcting transient flow errors in flowmeter proving data | Donald R. Augenstein, Herbert Estrada | 2008-04-29 |