Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11399231 | Extreme low frequency microphone/hydrophone for exploration of oceanic and atmospheric dynamics | Qamar A. Shams | 2022-07-26 |
| 10802107 | Adaptive algorithm and software for recognition of ground-based, airborne, underground, and underwater low frequency events | Qamar A. Shams, John W. Stoughton | 2020-10-13 |
| 10092269 | Infrasonic stethoscope for monitoring physiological processes | Qamar A. Shams, Albert L. Dimarcantonio | 2018-10-09 |
| 9867591 | Infrasonic stethoscope for monitoring physiological processes | Qamar A. Shams, Albert L. Dimarcantonio | 2018-01-16 |
| 9620025 | Wake vortex avoidance system and method | Qamar A. Shams, Howard K. Knight | 2017-04-11 |
| 9591417 | Extreme low frequency acoustic measurement system | Qamar A. Shams | 2017-03-07 |
| 9445779 | Infrasonic stethoscope for monitoring physiological processes | Qamar A. Shams, Albert L. Dimarcantonio | 2016-09-20 |
| 8671763 | Sub-surface windscreen for outdoor measurement of infrasound | Qamar A. Shams | 2014-03-18 |
| 8401217 | Extreme low frequency acoustic measurement system | Qamar A. Shams | 2013-03-19 |
| 6954971 | Method for simultaneously making a plurality of acoustic signal sensor elements | Timothy D. Bryant, Mark Wynkoop, Nancy M. Holloway | 2005-10-18 |
| 6749573 | Passive fetal heart monitoring system | Timothy D. Bryant, Mark Wynkoop, Nancy M. Holloway | 2004-06-15 |
| 6551251 | Passive fetal heart monitoring system | Dennis L. Mowrey | 2003-04-22 |
| 5508546 | Active pyroelectric infrared detector | Joseph N. Zalameda, Joseph M. Mina | 1996-04-16 |
| 5448904 | Acoustic calibration apparatus for calibrating plethysmographic acoustic pressure sensors | David Davis | 1995-09-12 |
| 5325720 | Method for making a dynamic pressure sensor and a pressure sensor made according to the method | William E. Robbins, Glenn M. Robins | 1994-07-05 |
| 5200610 | Fiber optic microphone having a pressure sensing reflective membrane and a voltage source for calibration purpose | Frank W. Cuomo, William E. Robbins | 1993-04-06 |
| 5146780 | Vacuum-isolation vessel and method for measurement of thermal noise in microphones | Kim Ngo | 1992-09-15 |
| 5146083 | High temperature fiber optic microphone having a pressure-sensing reflective membrane under tensile stress | Frank W. Cuomo, William E. Robbins, Purnell Hopson, Jr. | 1992-09-08 |
| 5140992 | Passive fetal monitoring sensor | Earl T. Hall, Donald A. Baker, Timothy D. Bryant | 1992-08-25 |
| 4770038 | Ultrasonic depth gauge for liquids under high pressure | David S. Mazel | 1988-09-13 |
| 4478069 | Flow resistivity instrument in the earth | — | 1984-10-23 |
| 4445378 | Acoustic ground impedance meter | — | 1984-05-01 |