Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329821 | Autoranging sonic flowmeter | Theodore N. Birnbaum | 1994-07-19 |
| 4969362 | Dual element transducer | Lawrence T. Riley, Henry E. Ryer | 1990-11-13 |
| 4763513 | Sonic transducer | — | 1988-08-16 |
| 4656869 | Method of measuring the amount of water flowing in a crude oil pipeline | — | 1987-04-14 |
| 4649754 | High pressure transducer | — | 1987-03-17 |
| 4596136 | Method of determining the net volume of water and oil in a flow stream | — | 1986-06-24 |
| 4573346 | Method of measuring the composition of an oil and water mixture | — | 1986-03-04 |
| 4523478 | Sonic flow meter having improved flow straighteners | — | 1985-06-18 |
| 4505160 | High-temperature transducer | — | 1985-03-19 |
| 4417480 | Dampened ultrasonic transducer | — | 1983-11-29 |
| 4365518 | Flow straighteners in axial flowmeters | — | 1982-12-28 |