| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 10/18/1989 | EP0337040A1 Device for compensating a vibrational force or a vibrational torque created by a body |
| 10/12/1989 | EP0328564A4 Ultrasonic imaging array and balloon catheter assembly. |
| 10/11/1989 | EP0336086A2 Micromechanic sound generator |
| 10/11/1989 | EP0335878A1 Echography probe with improved connection circuit. |
| 10/10/1989 | US4872565 Apparatus and method for clearing debris from cut trees |
| 10/10/1989 | US4872346 Multiple frequencies from single crystal |
| 10/10/1989 | CA1262275A1 Extendible sonobuoy apparatus |
| 10/04/1989 | EP0335402A2 Sonic generator |
| 10/03/1989 | US4871991 Horn for an automotive vehicle |
| 10/03/1989 | US4870870 Shaker |
| 10/03/1989 | US4870868 Vibration sensing apparatus |
| 10/03/1989 | US4870867 Crossed linear arrays for ultrasonic medical imaging |
| 09/27/1989 | EP0333738A1 Probe with bar of piezoelectric elements for ultrasound apparatus |
| 09/26/1989 | US4869768 Ultrasonic transducer arrays made from composite piezoelectric materials |
| 09/26/1989 | US4869278 Megasonic cleaning apparatus |
| 09/21/1989 | WO1989008508A1 Piezoelectric sonic generator for therapeutic applications |
| 09/21/1989 | DE3808018A1 Ultrasonic sensor and method for manufacturing it |
| 09/21/1989 | DE3808017A1 Piezoceramic ultrasonic transducer and method for manufacturing it |
| 09/21/1989 | DE3807568A1 Piezoelektrischer schallsender fuer therapeutische anwendungen Piezoelectric acoustic transmitter for therapeutic applications |
| 09/20/1989 | EP0332916A1 Ultrasonic sensor |
| 09/19/1989 | US4868791 Method and apparatus for detecting and correcting the positions of electrodes, in particular in shock wave generator apparatus using a feeler finger, e.g. the rod of an actuator, movable to the focus |
| 09/19/1989 | US4868521 Method and circuit for exciting an ultrasonic generator and the use thereof for atomizing a liquid |
| 09/19/1989 | US4868445 Self tuned ultrasonic generator system having wide frequency range and high efficiency |
| 09/19/1989 | US4868435 Single phase synchronous motor vibration apparatus |
| 09/12/1989 | US4866683 Integrated acoustic receiver or projector |
| 09/12/1989 | US4866682 Transducer device |
| 09/08/1989 | WO1989007988A1 Vibrator |
| 09/08/1989 | WO1989007987A1 Vibration generator |
| 09/06/1989 | EP0330687A1 Pneumatic linear vibrator |
| 09/05/1989 | US4864548 Flextensional transducer |
| 09/05/1989 | US4864547 Regulated ultrasonic generator |
| 09/05/1989 | US4864179 Two-dimensional piezoelectric transducer assembly |
| 09/05/1989 | US4862756 Adjustable throw eccentric drive |
| 08/29/1989 | US4862030 Piezo-electric device |
| 08/29/1989 | US4861252 Vibrator type concrete pipe making machines having combined lubrication and cooling system |
| 08/24/1989 | WO1989007492A1 Device for vibrational removal of dirt from the surface of articles |
| 08/24/1989 | DE3804768A1 Vibrator (shaker) |
| 08/23/1989 | EP0328564A1 Ultrasonic imaging array and balloon catheter assembly |
| 08/22/1989 | US4859897 Directional waterproof ultrasonic transducer for operating in air |
| 08/22/1989 | US4859070 Omniaxis apparatus for processing particulates and the like |
| 08/22/1989 | US4858702 Hydraulic distributor for percussion apparatus driven by an incompressible fluid under pressure |
| 08/22/1989 | US4858597 Piezoelectric transducer for the destruction of concretions within an animal body |
| 08/17/1989 | DE3901156A1 Vibratory conveyor |
| 08/16/1989 | EP0328352A2 Ultrasound power generating system with sampled-data frequency control |
| 08/16/1989 | EP0328351A2 A therapeutic applicator for ultrasound |
| 08/16/1989 | EP0327917A1 Shock wave generator for the non-contacting disintegration of concretions in a body |
| 08/15/1989 | US4857792 Circular direction vibrator |
| 08/15/1989 | US4856358 Conversion of rotational output to linear force |
| 08/10/1989 | DE3901893A1 Concrete vibrator |
| 08/09/1989 | EP0327372A1 Piezoelectric vibration generator and vibratory parts feeder incorporating the same |
| 08/09/1989 | EP0326701A2 Piezoelectric shockwaves source |
| 08/08/1989 | US4855964 Vented-pipe projector |
| 08/03/1989 | DE3825287C1 Holder for a vibration exciter |
| 08/03/1989 | DE3801835A1 Unbalance exciter |
| 07/25/1989 | US4850449 Piezoelectric seismic vibration device and method |
| 07/25/1989 | US4850421 Shaking apparatus |
| 07/24/1989 | EP0292518A4 A composite sonar transducer for operation as a low frequency underwater acoustic source. |
| 07/18/1989 | US4849872 Process and apparatus for phase-regulated power and frequency control of an ultrasonic transducer |
| 07/11/1989 | USRE32980 Device for rhythmically driving an electromechanical vibrator |
| 07/11/1989 | EP0261230A4 Method and apparatus for ultrasonic surgical fragmentation. |
| 07/05/1989 | EP0322501A1 Transducer |
| 07/05/1989 | CN1033729A Acoustic emission transducer and electrical oscillator |
| 07/04/1989 | US4845687 Flextensional sonar transducer assembly |
| 07/04/1989 | US4845450 Self-biased modular magnetostrictive driver and transducer |
| 07/04/1989 | US4845399 Laminated piezoelectric transducer |
| 06/29/1989 | DE3743339A1 Electroacoustic transducer, particularly for underwater application |
| 06/28/1989 | EP0169899B1 Preloaded table coupling |
| 06/27/1989 | US4841977 Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly |
| 06/21/1989 | EP0321380A1 Surface emitting ultrasonic waves with an extended lifespan |
| 06/21/1989 | CN1033503A Acoustic emission transducer and electrical oscillator |
| 06/20/1989 | US4841494 Underwater piezoelectric arrangement |
| 06/20/1989 | US4841256 Piezoelectric phase locked loop circuit |
| 06/20/1989 | US4841192 Piezoelectric hydrophone |
| 06/15/1989 | WO1989005445A1 An acoustic emission transducer and an electrical oscillator |
| 06/15/1989 | WO1989005205A1 Sand vibration and compaction apparatus and method |
| 06/15/1989 | WO1989005199A1 An acoustic emission transducer and an electrical oscillator |
| 06/14/1989 | EP0319631A1 Method of controlling an ultrasonic generator |
| 06/13/1989 | US4838127 Ultrasonic flow meter |
| 06/08/1989 | DE3824693A1 Zweidimensionale piezoelektrische wandleranordnung A two-dimensional piezoelectric transducer assembly |
| 06/01/1989 | WO1989005026A1 Device for generating shock waves fitted with an ellipsoidal reflector |
| 06/01/1989 | DE3739226A1 Method for producing an ultrasonic transducer array |
| 05/24/1989 | EP0317507A1 Apparatus for acting by means of ultrasonic vibrations upon an object |
| 05/24/1989 | EP0317333A2 Electrical drive circuits |
| 05/23/1989 | US4833659 Sonar apparatus |
| 05/23/1989 | US4833360 Sonar system using acoustically transparent continuous aperture transducers for multiple beam beamformation |
| 05/18/1989 | WO1989004142A1 Methods and apparatus for the examination and treatment of internal organs |
| 05/16/1989 | US4831601 Apparatus for transmitting and receiving ultrasonic signals |
| 05/16/1989 | US4830597 Vibrator for a block molding machine |
| 05/16/1989 | US4830534 Dual amplitude vibration generator for compaction apparatus |
| 05/10/1989 | EP0315416A2 Oscillating apparatus for damping vibration |
| 05/09/1989 | US4828394 Relating to vibratory machines |
| 05/09/1989 | US4827911 Method and apparatus for ultrasonic surgical fragmentation and removal of tissue |
| 05/03/1989 | CN2036869U Electric vibration exciter with double frequency |
| 05/03/1989 | CN1004088B High-frenquency hydraulic vibration pile driver |
| 05/02/1989 | US4827459 High sensitivity accelerometer for crossed dipoles acoustic sensors |
| 05/02/1989 | US4825692 Apparatus for producing torsional vibrations |
| 04/25/1989 | US4825117 Temperature compensated piezoelectric transducer assembly |
| 04/25/1989 | US4825116 Transmitter-receiver of ultrasonic distance measuring device |
| 04/25/1989 | US4825115 Ultrasonic transducer and method for fabricating thereof |
| 04/25/1989 | US4824258 Fluid driven screw type (moyno) sonic oscillator system |