| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 10/10/1990 | EP0390959A2 Ultrasonic transducer |
| 10/10/1990 | CN1009966B Apparatus for generating elliptically polarized shear waves |
| 10/09/1990 | US4962332 Ultrasonic probe and method of manufacturing the same |
| 10/09/1990 | US4961456 Automatic control system for filling beverage containers |
| 10/09/1990 | US4961424 Ultrasonic treatment device |
| 10/09/1990 | US4961347 Probe for ultrasonic flaw detectors |
| 10/09/1990 | CA1275132A1 Vibrating element for ultrasonic atomization |
| 10/04/1990 | CA2013944A1 Method for acceleration of liquid and bulk materials and apparatus for realization thereof |
| 10/03/1990 | EP0389860A2 Electronically controlled horn for motor vehicles |
| 10/03/1990 | EP0389531A1 Device for generating shock waves fitted with an ellipsoidal reflector |
| 10/03/1990 | EP0283823B1 Apparatus for generating and radiating ultrasound, especially for ultrasound therapy |
| 10/02/1990 | US4961176 Ultrasonic probe |
| 10/02/1990 | US4960107 Ultrasonic medical treatment apparatus |
| 09/26/1990 | EP0389210A2 Vibration generator |
| 09/25/1990 | US4959568 Dynamically tunable resonant device with electric control |
| 09/20/1990 | DE4007631A1 Ultrasonic test head for frequencies 5 mhz - has oscillator crystal with damping body of alternate sheets of conducting and absorbing material |
| 09/20/1990 | CA2012034A1 Vibration generator using rotary bodies having unbalanced weights, and vibratory stimulating apparatus using same vibration generator |
| 09/18/1990 | US4958327 Ultrasonic imaging apparatus |
| 09/18/1990 | US4957100 Ultrasound generator and emitter |
| 09/18/1990 | US4957099 Shock wave source for extracorporeal lithotripsy |
| 09/12/1990 | EP0386058A1 Methods and apparatus for the examination and treatment of internal organs |
| 09/12/1990 | CN2061870U Electric-magnetic attracting reciprocating vibrator |
| 09/11/1990 | US4955366 Ultrasonic therapeutical apparatus |
| 09/05/1990 | EP0385090A1 Heat exchanger having piezoelectric fan means |
| 09/05/1990 | EP0240425B1 Method and apparatus for the application of multidirectional vibrations to an elastic support |
| 09/04/1990 | US4954960 Linear power control for ultrasonic probe with tuned reactance |
| 09/04/1990 | CA1273673A1 Resonant vibration-transmitting apparatus |
| 09/04/1990 | CA1273672A1 Self-biased modular magnetostrictive driver and transducer |
| 09/03/1990 | CA2009799A1 Heat exchanger having piezoelectric fan means |
| 08/29/1990 | EP0383972A1 Ultrasonic array with trapezoidal vibration elements, and method and device for its manufacture |
| 08/28/1990 | CA1273402A1 Apparatus for treating a patient with ultrasound waves and treatment head for such apparatus |
| 08/23/1990 | DE3904440A1 Electrodynamic transducer head |
| 08/22/1990 | EP0383649A1 Apparatus for detecting and signalling articles dropping into the water |
| 08/22/1990 | EP0383270A2 Ultrasonic imaging system |
| 08/22/1990 | EP0383233A2 Ultrasonic probe and acoustic lens attachment |
| 08/21/1990 | US4950936 Piezoelectric sandwich polymer transducer |
| 08/16/1990 | EP0381796A1 Ultrasonic sensor |
| 08/07/1990 | US4947434 Electronic attenuator |
| 08/07/1990 | US4947067 Vibrator/dampener having magnetic suspension and servo-control along three axes |
| 08/07/1990 | US4945915 Ultrasonic diagnosis apparatus |
| 08/07/1990 | US4945898 Power supply |
| 08/01/1990 | CN1044240A Vibrations generator |
| 07/31/1990 | US4944336 Automatic control system for filling beverage containers |
| 07/31/1990 | US4944335 Level sensing system |
| 07/31/1990 | CA1272267A1 Automatic control system for filling beverage containers |
| 07/31/1990 | CA1272044A1 Continuous force and impact generator |
| 07/25/1990 | EP0379254A2 Electromagnetic vibrator apparatus with adjustable elastic reaction |
| 07/25/1990 | EP0379229A2 Ultrasonic probe |
| 07/24/1990 | US4942776 Non-metallic gear shaker |
| 07/18/1990 | EP0378021A1 Signal receiver insensitive to static pressure variations |
| 07/12/1990 | DE3900325A1 Schwingungsanreger Vibration exciter |
| 07/11/1990 | CN1043845A Signal sensor insensible to static pressure change |
| 07/11/1990 | CN1043642A Shock-exciting method of electric eddy-magnetic push-pull and shock exciter |
| 07/10/1990 | US4941134 Sonic generator |
| 07/10/1990 | US4940336 Unbalance vibrator |
| 07/10/1990 | US4939826 Ultrasonic transducer arrays and methods for the fabrication thereof |
| 07/10/1990 | CA1271555A1 Biplane phased array transducer for ultrasonic medical imaging |
| 07/05/1990 | DE3843229A1 Vibration device having current-carrying windings |
| 07/04/1990 | EP0376567A2 Array of ultrasonic transducer |
| 07/04/1990 | EP0376396A2 Transducer for ultrasonic medical imaging |
| 07/03/1990 | US4939402 Driving circuit for driving a piezoelectric vibrator |
| 06/28/1990 | WO1990006817A1 Ultrasound generator and its use |
| 06/28/1990 | WO1990006816A1 Ultrasound generator |
| 06/28/1990 | WO1990004359A3 Device for generating focused acoustic pressure waves |
| 06/27/1990 | EP0375570A2 Vibration absorption device comprising a piezoelectric element |
| 06/27/1990 | EP0375498A1 Directional linear modular hydrophonic antenna |
| 06/27/1990 | EP0375302A1 Magnetostrictive transducer |
| 06/23/1990 | CA2006565A1 Signal sensor insensitive to static pressure variations |
| 06/21/1990 | DE3842759A1 Directionally focused ultrasonic transducer with curved radiating surface |
| 06/21/1990 | DE3841226A1 Ultrasonic transducer with recessed piezoelectric body |
| 06/20/1990 | EP0373603A2 Ultrasonic probe |
| 06/20/1990 | EP0373190A1 Piezoelectric sonic generator for therapeutic applications |
| 06/20/1990 | CN2058352U Frequent oscillation type vibration exciting device |
| 06/20/1990 | CA2005756A1 Directional modular linear hydrophonic antenna |
| 06/13/1990 | EP0372589A2 Ultrasonic probe |
| 06/13/1990 | EP0372583A2 Method of forming thin film elements of an ultrasonic array transducer |
| 06/13/1990 | EP0372198A2 Piezoceramic shock-wave generator |
| 06/12/1990 | US4933919 Hydrophone |
| 05/30/1990 | EP0370107A1 Ultrasonic diagnostic apparatus |
| 05/29/1990 | US4929087 Method for applying vibrations to a resilient support and apparatus for putting this method into practice |
| 05/29/1990 | US4928554 Unbalance vibrator |
| 05/29/1990 | US4928551 Vibrating mechanism |
| 05/23/1990 | EP0369572A2 Sieving apparatus |
| 05/23/1990 | EP0369177A2 Focused acoustic pressure wave generator |
| 05/23/1990 | EP0369127A2 Compound ultrasonar sonar transducer |
| 05/23/1990 | DE3839057A1 Array-type probe |
| 05/22/1990 | US4928264 Noise-suppressing hydrophones |
| 05/22/1990 | US4927289 Vibratory mechanism for a compaction roller |
| 05/22/1990 | US4926985 Oscillating apparatus for damping vibration |
| 05/17/1990 | DE3838639A1 Hydraulic striking mechanism |
| 05/15/1990 | US4926397 Hydrophone for use in a body of water |
| 05/15/1990 | US4926396 High pressure transducer |
| 05/15/1990 | US4926159 Apparatus and method for the generation of directionally perceptible sound |
| 05/15/1990 | CA1269020A1 Fluid pressure oscillator |
| 05/09/1990 | EP0367681A1 Flextensional transducer |
| 05/09/1990 | EP0366686A1 Vibrational power generator. |
| 05/08/1990 | US4923000 Heat exchanger having piezoelectric fan means |
| 05/08/1990 | US4922902 Method for removing cellular material with endoscopic ultrasonic aspirator |
| 05/03/1990 | WO1990004721A1 Device for generating acoustic oscillations in a liquid medium |
| 05/03/1990 | WO1990004359A2 Device for generating focused acoustic pressure waves |