Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869097 | Sonic gas pressure gauge | John Michael Richardson, James R. Bulau, Lawrence R. Bivins | 1989-09-26 |
| 4862384 | Method of measuring the dynamic viscosity of a viscous fluid utilizing acoustic transducer | Martial R. Bujard | 1989-08-29 |
| 4779452 | High temperature ultrasonic viscometer | Frederic Cohen-Tenoudji, Lloyd A. Ahlberg, William J. Pardee | 1988-10-25 |
| 4698058 | Ultrasonic self-cleaning catheter system for indwelling drains and medication supply | Albert R. Greenfeld, Herbert Reis | 1987-10-06 |
| 4372163 | Acoustic measurement of near surface property gradients | Lloyd A. Ahlberg, Richard K. Elsley | 1983-02-08 |
| 4307614 | Method and apparatus for characterizing surface flaws utilizing ultrasonic surface waves | Gerard Quentin, Frédéric Cohen Tenoudji, Alain R. Jungman, Etienne M. M. de Crespin de Billy | 1981-12-29 |
| 4274288 | Method for measuring the depth of surface flaws | Lloyd A. Ahlberg | 1981-06-23 |