| RE49680 | Systems and methods for spread spectrum distributed acoustic sensor monitoring | Aug 15, 19 | Oct 03, 23 | ADELOS, LLC |
| 9995088 | Cutting elements comprising sensors, earth-boring tools comprising such cutting elements, and methods of forming wellbores with such tools | Mar 19, 14 | Jun 12, 18 | Baker Hughes, a GE company, LLC |
| 9994193 | Electronic key system | Jun 01, 16 | Jun 12, 18 | Kabushiki Kaisha Tokai Rika Denki Seisakusho |
| 9995674 | Photoacoustic chemical detector | Dec 29, 14 | Jun 12, 18 | The United States of America as represented by the Administrator of NASA |
| 9995621 | Sound sensor | Feb 14, 14 | Jun 12, 18 | Not available |
| 9992594 | Ear model unit, artificial head, and measurement device and method using said ear model unit and artificial head | Jul 27, 17 | Jun 05, 18 | Kyocera Corporation |
| 9989404 | Portable terminal, portable-terminal condition determining system, storage medium, and portable-terminal condition determining method | Jul 17, 15 | Jun 05, 18 | FUJI XEROX CO., LTD. |
| 9989499 | Detecting damage in an oilfield mixing device | Apr 30, 15 | Jun 05, 18 | Dowell -- A Division of Schlumberger Technology Corporation |
| 9989501 | Method and apparatus for acoustic emissions testing | May 10, 16 | Jun 05, 18 | The Boeing Company |
| 9990089 | Sensor array with receiver bias electrode | Jul 15, 14 | Jun 05, 18 | QUALCOMM Incorporated |
| 9984668 | Music effects processor | Oct 10, 17 | May 29, 18 | Not available |
| 9983293 | Method and system for locating an acoustic source | Jun 06, 12 | May 29, 18 | SILIXA LTD. |
| 9972179 | System and method for noise detection | Sep 01, 16 | May 15, 18 | Not available |
| 9969409 | Automated in motion railway seismic wheel failure detection system | Apr 13, 15 | May 15, 18 | Not available |
| 9964435 | Dynamic characteristic measurement device of centrifugal rotation machine, and centrifugal rotation machine | Nov 13, 13 | May 08, 18 | Kobe Steel, Ltd. |
| 9964434 | Electret type vibration detection system, method of creating external vibration information, method of creating transfer function information regarding external vibration, program for creating external vibration information, and program for creating transfer function information regarding external vibration | Feb 28, 13 | May 08, 18 | Omron Corporation; Tokyo Institute of Technology; |
| 9964433 | Acoustic sensor with an acoustic object detector for reducing power consumption in front-end circuit | Nov 10, 11 | May 08, 18 | The Trustees of Dartmouth College |
| 9964430 | Apparatus and a method for analyzing the vibration of a machine having a rotating part | Feb 26, 10 | May 08, 18 | S.P.M. INSTRUMENT AB |
| 9964432 | Method of vibration measurement and interferometer | Dec 04, 13 | May 08, 18 | Optonor AS |
| 9958316 | System and method for measuring a resonance frequency of a tube | Jul 13, 10 | May 01, 18 | Koninklijke Philips N.V. |