| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 07/27/1993 | US5230328 Electromagnetic acoustic pressure pulse source |
| 07/22/1993 | WO1993014553A1 Reciprocating motor device |
| 07/22/1993 | WO1993014417A1 Sonar equipment for maritime surroundings |
| 07/22/1993 | DE4214866C1 Laboratory sample handling machine - uses hot air esp. for sample evapn. in test-tubes |
| 07/22/1993 | DE4201360A1 Level measurement arrangement - contains vibrating rods on membrane coupling them to piezoelectric stimulation-detection arrangement |
| 07/20/1993 | US5229980 Broadband electroacoustic transducer |
| 07/20/1993 | US5229979 Electrostrictive driving device, process for sonic wave projection and polymer materials for use therein |
| 07/20/1993 | US5229978 Electro-acoustic transducers |
| 07/20/1993 | US5229744 Piezoelectric type pager |
| 07/20/1993 | US5228176 Piezoelectric polymer film, cardiac pacemakers |
| 07/20/1993 | CA1320470C Omniaxis apparatus for processing particulates and the like |
| 07/14/1993 | EP0551162A2 Ultrasonic wave generator and floating or suspended particle collecting apparatus using the same |
| 07/14/1993 | CN2137990Y Two polarity ultrasonic transducer |
| 07/13/1993 | CA1320264C Sonar transducers |
| 07/10/1993 | CA2086951A1 Ultrasonic wave generator and floating or suspended particle collecting apparatus using the same |
| 07/08/1993 | WO1993013433A1 Linear acoustic antenna |
| 07/08/1993 | DE4200194A1 Jigging conveyor with phase-sensitive trigger pulse generator - substitutes ramp generator for normal modulator of electromagnet drive pulse width to enable rapid starting |
| 07/07/1993 | EP0550193A1 Method for ejecting ink droplets in an acoustic ink printer and a piezoelectric transducer for an ink printer |
| 07/04/1993 | WO1993013586A1 Actuator for active vibration control |
| 07/04/1993 | CA2105308A1 Actuator for active vibration control |
| 06/30/1993 | EP0549200A1 Electret transducer array |
| 06/24/1993 | WO1993009881A3 A nebuliser and nebuliser control system |
| 06/24/1993 | DE4142372A1 Ultrasound transducer array of elementary transducers arranged in a row e.g. for medical research - has elementary transducers connected to front and back terminals and connected to neighbouring transducers by piezo-ceramic connectors. |
| 06/22/1993 | US5222049 Electromechanical transducer for acoustic telemetry system |
| 06/22/1993 | US5220846 Asymmetric mechanical vibrator with external setting for vibrating screens and other equipment |
| 06/22/1993 | US5220839 Ultrasonic load measuring device with control feature |
| 06/22/1993 | CA1319414C Vented-pipe projector |
| 06/22/1993 | CA1319398C Device used to submit an object to a shock wave |
| 06/16/1993 | EP0546685A2 Megasonic cleaning system |
| 06/15/1993 | US5220538 Electro-acoustic transducer insulation structure |
| 06/15/1993 | US5219029 Oscillator for continuous casting mold |
| 06/10/1993 | WO1993011528A1 Acoustic non-destructive testing |
| 06/08/1993 | US5218576 Underwater transducer |
| 06/08/1993 | EP0598715A4 Ultrasonic transducer. |
| 06/01/1993 | US5216338 Circuit arrangement for accurately and effectively driving an ultrasonic transducer |
| 05/27/1993 | WO1993009881A2 A nebuliser and nebuliser control system |
| 05/27/1993 | DE4138713A1 Multifrequency ultrasonic oscillator for cleaning process - uses piezoceramic oscillation generator between two identical beams or rods acting as longitudinal resonator |
| 05/27/1993 | CA2123409A1 A nebuliser and nebuliser control system |
| 05/26/1993 | CN2134237Y Mechanical vibrating automatic amplitude modulator |
| 05/25/1993 | US5214411 Ultrasonic animal repelling apparatus |
| 05/25/1993 | US5214340 Driver circuit for piezoelectric element, having voltage limiter capable of charging the element with energy from coil after charging switch is off |
| 05/25/1993 | US5213184 Device for compensating a vibrational force or torque acting on a body |
| 05/19/1993 | EP0542586A1 Electric traction system including the motor/generator function and the charger and/or converter function |
| 05/18/1993 | US5212671 Ultrasonic probe having backing material layer of uneven thickness |
| 05/18/1993 | US5211646 Cryogenic scalpel |
| 05/18/1993 | US5211168 Moving electrode transducer for real time ultrasound imaging for use in medical applications |
| 05/18/1993 | CA1318000C2 Endoscopic ultrasonic aspirator |
| 05/13/1993 | DE4138528C1 Ultrasonic transducer e.g. for level indicator - has diaphragm held between seals and flange in direct contact with attachment surface or via spacer |
| 05/12/1993 | EP0541249A2 Ultrasonic handpiece |
| 05/12/1993 | CN1071858A Push-pull vibration exciter |
| 05/11/1993 | US5210381 Apparatus for generating vibrational energy in a borehole |
| 05/11/1993 | US5209879 Method for inducing transformations in waxes |
| 05/11/1993 | US5209564 Vibrator |
| 05/05/1993 | EP0539933A1 Electromagnetic drive for use with vibratory conveyors |
| 05/05/1993 | CN1071764A Single-chip computer controlled ultrasonic processing circuit |
| 04/27/1993 | US5206557 Microelectromechanical transducer and fabrication method |
| 04/27/1993 | US5205176 Ultrasonic load cell with transducer |
| 04/22/1993 | DE4133727A1 Ultrasonic cleaning of articles immersed in cleaning fluid - using piezoelectric transducer excited at high frequency with significant tension only during expansion or compression phase |
| 04/20/1993 | US5203563 For generating vibrations in a steering wheel |
| 04/15/1993 | WO1993007728A1 Ultrasonic wave probe |
| 04/15/1993 | DE4133081A1 Biochemical reaction setting e.g. for microorganism and cell cultivation - by using digital generation of mechanical oscillation with a freely-programmed magnetic field strengths and locations |
| 04/07/1993 | EP0515572A4 Mri device used for generating pressure waves |
| 04/06/1993 | US5199299 Ultrasonic unipolar pulse/echo instrument |
| 04/01/1993 | DE4232225A1 Displacement amplifier for piezoelectric element, e.g. for vibration damper of actuator - has displacement transfer part, carrier, and chamber sealed by two elastic elements, with larger chamber volume change caused by displacement of second elastic sealing element |
| 03/31/1993 | EP0533893A1 Vehicle horn with electronic solid state energizing circuit |
| 03/30/1993 | US5199004 Sealed acoustical element using conductive epoxy |
| 03/30/1993 | US5198713 Ultrasonic transducer apparatus |
| 03/24/1993 | EP0532981A1 Apparatus for treatment of a living being with acoustic waves |
| 03/24/1993 | EP0532793A1 Vibrator and related method |
| 03/24/1993 | CN2128566Y Electromagnetic oscillating device for barn wall |
| 03/23/1993 | US5196755 Acoustic transducer device |
| 03/18/1993 | DE4230491A1 Control device for ultrasonic generator - in which switch circuit adjusts induction in resonance oscillating circuit in response to generator output sensor |
| 03/17/1993 | CN1069912A High energy activator |
| 03/11/1993 | DE4130231A1 Concrete compaction vibration table - has two out-of-balance rotors with variable phase angle to vary resultant out-of-balance force |
| 03/10/1993 | EP0530546A1 Compacting apparatus |
| 03/10/1993 | EP0530284A1 Method and apparatus for the generation of low frequency sound |
| 03/09/1993 | US5191796 Acoustic-emission sensor |
| 03/02/1993 | US5191559 Piezoelectric ceramic hydrostatic sound sensor |
| 03/02/1993 | US5191316 Apparatus for determining and/or monitoring a predetermined contents level in a container |
| 03/02/1993 | US5190456 Air-driven dental scaler |
| 03/02/1993 | US5189922 Force impulse generator |
| 03/02/1993 | CA1313980C Low-frequency sound generator, especially for grills |
| 02/24/1993 | EP0528279A1 Flexible piezoelectric device |
| 02/24/1993 | EP0527750A1 Ultrasonic aerosol dispenser for hair lacquer |
| 02/24/1993 | EP0490930A4 Electromagnetic resonant vibrator |
| 02/23/1993 | US5189332 Flexible energy coupling and associated mounting for piezo electric crystals |
| 02/23/1993 | US5189235 Stringed musical instrument |
| 02/23/1993 | US5187982 Vibration controlled experimenting device provided with a motor with an imbalanced rotor |
| 02/18/1993 | WO1993002809A1 Ultrasonic transducer arrangement and catheter |
| 02/18/1993 | WO1992021044A3 Apparatus for generating vibrational energy in a borehole |
| 02/18/1993 | DE4138476C1 Mass equaliser for flat screening machines - has eccentric drive firmly coupled to main frame, or foundation, also contg. equalising weight |
| 02/18/1993 | DE4126887A1 Acoustic wave cleaning-bath - uses loudspeaker system for mechanical oscillation of cleaning fluid using audible frequencies |
| 02/11/1993 | DE4210287C1 EM oscillation inducer with U=shaped core for windings - has measurement value pick=up for high efficiency but preventing armature in air gap impacting shanks of magnetic core |
| 02/11/1993 | DE4126399A1 Ultrasonic transducer using piezo oscillator - has thermo-sensor for temp. compensation on diaphragm and=or reception of vibrations |
| 02/10/1993 | EP0527080A1 Polyester films with good release and slip properties and method for their preparation |
| 02/07/1993 | WO1993002808A1 Probe for measuring acoustic fields of high intensity |
| 02/07/1993 | CA2093437A1 Probe for measuring acoustic fields of high intensity |
| 02/04/1993 | WO1993001752A1 Use of composite piezoelectric transducer for ultrasonic therapy apparatus |
| 02/04/1993 | DE4221486A1 Portable pneumatic vibrator with vacuum cup clamping - generated by venturi nozzle supplied with air through throttle or through freeze flow by-pass for max. clamping force |
| 02/03/1993 | EP0525039A1 Method and apparatus for inducing transformations in waxes |