Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7373808 | Method and ultrasonic meter system for determining pipe roughness | John Lansing | 2008-05-20 |
| 7152490 | Methods for determining transducer delay time and transducer separation in ultrasonic flow meters | William R. Freund, Jr. | 2006-12-26 |
| 6950768 | Self-tuning ultrasonic meter | William R. Freund, Jr., Gail P. Murray | 2005-09-27 |
| 6816808 | Peak switch detector for transit time ultrasonic meters | William R. Freund, Jr., Gail P. Murray | 2004-11-09 |
| 6769293 | Detection of liquid in gas pipeline | — | 2004-08-03 |
| 6651514 | Dual function flow conditioner and check meter | — | 2003-11-25 |
| 6533065 | Noise silencer and method for use with an ultrasonic meter | — | 2003-03-18 |
| 6386018 | Ultrasonic 2-phase flow apparatus and stratified level detector | Winsor Letton | 2002-05-14 |
| 6209388 | Ultrasonic 2-phase flow apparatus and method | Winsor Letton | 2001-04-03 |
| 6151958 | Ultrasonic fraction and flow rate apparatus and method | Winsor Letton | 2000-11-28 |
| 5063776 | Method and system for measurement of fluid flow in a drilling rig return line | Jacques Orban | 1991-11-12 |
| 4887464 | Measurement system and method for quantitatively determining the concentrations of a plurality of gases in drilling mud | Eli Tannenbaum, Trevor Burgess, Vassilios Kalessidis, Andre Orban, John R. Williams | 1989-12-19 |
| 4754641 | Method and apparatus for measurement of fluid flow in a drilling rig return line | Jacques Orban, Andre Orban | 1988-07-05 |
| 4503383 | Device for detecting an interface between two fluids | Joram Agar | 1985-03-05 |
| 4419898 | Method and apparatus for determining the mass flow of a fluid | Gerald G. Anderson | 1983-12-13 |
| 4215565 | Method and apparatus for testing a fluid | — | 1980-08-05 |