Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868797 | Time-shared AGC for ultra-sound liquid level meter | — | 1989-09-19 |
| 4821569 | Parasitic echo pulse rejector for ultrasonic liquid level meter | — | 1989-04-18 |
| 4581121 | Free chlorine gas analyzer | Leo L. Dailey | 1986-04-08 |
| 4578997 | Time-shaped AGC for ultrasonic liquid level meter of the echo-ranging type | — | 1986-04-01 |
| 4470299 | Ultrasonic liquid level meter | — | 1984-09-11 |
| 4397193 | Transducer drive circuit for ultrasonic flowmeter | Matthew Ryan | 1983-08-09 |
| 4397194 | Ultrasonic flowmeter including means to measure pipe geometry | — | 1983-08-09 |