Letton; Winsor
Patent Applications and Registrations
Patent applications and USPTO patent grants for Letton; Winsor.The latest application filed is for "technique for measurement of gas and liquid flow velocities, and liquid holdup in a pipe with stratified flow".
- Letton; Winsor - Houston TX
| Patent | Date |
|---|---|
| Technique for measurement of gas and liquid flow velocities, and liquid holdup in a pipe with stratified flow Grant 6,550,345 - Letton April 22, 2 | 2003-04-22 |
| Ultrasonic 2-phase flow apparatus and stratified level detector Grant 6,386,018 - Letton , et al. May 14, 2 | 2002-05-14 |
| Ultrasonic 2-phase flow apparatus and method Grant 6,209,388 - Letton , et al. April 3, 2 | 2001-04-03 |
| Ultrasonic fraction and flow rate apparatus and method Grant 6,151,958 - Letton , et al. November 28, 2 | 2000-11-28 |
| Method and apparatus for measuring the time of flight of a signal Grant 5,983,730 - Freund , et al. November 16, 1 | 1999-11-16 |
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