Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756898 | Passive acoustic method of measuring the effective internal diameter of a pipe containing flowing fluids | James R. Stoy, Winthrop K. Brown, Anna Nicole Ledoux | 1998-05-26 |
| 5549000 | Passive acoustic detection of pipeline pigs | Winthrop K. Brown, James R. Stoy | 1996-08-27 |
| 5415048 | Acoustic gas-liquid flow meter | Anna Nicole Ledoux, Winthrop K. Brown, James R. Stoy | 1995-05-16 |
| 5353627 | Passive acoustic detection of flow regime in a multi-phase fluid flow | Winthrop K. Brown, James R. Stoy | 1994-10-11 |
| 5204529 | Method and apparatus for measuring borehole fluid density, formation density and/or borehole diameter using back-scattered gamma radiation | — | 1993-04-20 |