Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11619527 | Ultrasonic transducer with a sealed 3D-printed mini-horn array | Alex Mezheritsky, Kerry D. Groeschel | 2023-04-04 |
| 8974114 | Temperature verification for ultrasonic flow meters | Charles W. Derr | 2015-03-10 |
| 8626466 | Flow meter validation | Daniel J. Hackett, III, Charles W. Derr, Graham W. Forbes, Kerry D. Groeschel | 2014-01-07 |
| 8302455 | Determining delay times for ultrasonic flow meters | — | 2012-11-06 |
| 8181533 | Ultrasonic flow meter and transducer assembly with isolated transformer capsule | Charles Robert Allen | 2012-05-22 |
| 8166829 | Method and system of an ultrasonic flow meter transducer assembly | Randeep Singh Grewal | 2012-05-01 |
| 8170812 | Method and system for detecting deposit buildup within an ultrasonic flow meter | — | 2012-05-01 |
| 8155895 | Method and system of detecting liquid in an acoustic flow meter | Charles W. Derr | 2012-04-10 |
| 8136411 | Transducer having a robust electrical connection to a piezoelectric crystal | Charles W. Melvin, Jr. | 2012-03-20 |
| 8011083 | Process of manufacturing a transducer assembly for an ultrasonic fluid meter | Charles Robert Allen | 2011-09-06 |
| 7966893 | Adjusting transducer frequency without ceasing fluid flow through a meter | — | 2011-06-28 |
| 7917321 | Method and system of determining a pattern of arrival time cycle skip in an acoustic flow meter | — | 2011-03-29 |
| 7900338 | Method of making a transducer having a plastic matching layer | Randeep Singh Grewal, Charles Robert Allen | 2011-03-08 |
| 7885790 | Method and system of determining forthcoming failure of transducers | — | 2011-02-08 |
| 7752919 | System and method of an acoustic flow meter with dual flow measurements | Charles W. Derr | 2010-07-13 |
| 7735380 | Method and system of coordination of measurement subsystems of a flow meter | Keith V. Groeschel | 2010-06-15 |
| 7557490 | Systems and methods of a transducer having a plastic matching layer | Randeep Singh Grewal, Charles Robert Allen | 2009-07-07 |
| 7397168 | Transducer housing for an ultrasonic fluid meter | Charles Robert Allen | 2008-07-08 |
| 7307373 | Transducer assembly for an ultrasonic fluid meter | Charles Robert Allen | 2007-12-11 |