| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 10/04/1994 | US5353261 Vibrating apparatus |
| 10/04/1994 | US5351545 Electromagnetic vibration generators |
| 10/02/1994 | CA2120188A1 Switching means for an audible warning signal generator |
| 09/29/1994 | WO1994022036A1 Drive assembly for acoustic sources |
| 09/29/1994 | WO1994021388A1 Two-dimensional ultrasonic transducer array |
| 09/29/1994 | CA2158337A1 Drive assembly for acoustic sources |
| 09/27/1994 | US5350964 Ultrasonic transducer and method of manufacturing the same |
| 09/27/1994 | US5350887 Method and apparatus for the generation of low frequency sound |
| 09/22/1994 | DE4308552A1 Device for cleaning and/or surface treatment of workpieces |
| 09/21/1994 | EP0615647A1 Acoustic non-destructive testing |
| 09/21/1994 | EP0615471A1 Sonic or ultrasonic transducer. |
| 09/20/1994 | US5347884 Method and apparatus for cancellation of rotational unbalance |
| 09/14/1994 | EP0615294A1 Piezoelectric device |
| 09/14/1994 | EP0615225A2 Electrical impedance normalization for an ultrasonic transducer array |
| 09/14/1994 | EP0615017A1 Washing method and washing apparatus utilizing low frequency oscillation |
| 09/14/1994 | EP0614705A2 Wave-receiving piezoelectric device |
| 09/14/1994 | EP0614704A2 Sound pulse generating apparatus for medical applications |
| 09/14/1994 | EP0506722B1 Vibration generator |
| 09/14/1994 | CN1025910C Method and apparatus for removal of objecte adhering to surface of thin unit |
| 09/13/1994 | US5347495 Matching transformer for ultrasonic transducer |
| 09/08/1994 | DE4306523A1 Electromagnetic oscillation system |
| 09/07/1994 | CN1025824C Cleaning apparatus and process |
| 09/06/1994 | US5345428 Flextensional transducers |
| 09/06/1994 | US5345427 Ultrasonic transducer |
| 09/06/1994 | US5345139 Electrostrictive ultrasonic probe having expanded operating temperature range |
| 08/31/1994 | EP0613196A2 Piezoelectric/electrostrictive actuator having ceramic substrate with auxiliary windows in addition to pressure chamber windows |
| 08/31/1994 | EP0612570A2 Method of oscillating ultrasonic vibrator for ultrasonic cleaning |
| 08/31/1994 | EP0612430A1 Ultrasonic transducer |
| 08/30/1994 | US5343443 Broadband acoustic transducer |
| 08/30/1994 | US5343109 Ultrasonic transducer for measuring the travel time of ultrasonic pulses in a gas |
| 08/30/1994 | US5343084 Variable level periodic excitation circuit for a capacitive load |
| 08/24/1994 | EP0498793B1 Process for manufacturing an acoustic sensor with an essentially non-detachable protective layer, and acoustic sensor so obtained |
| 08/24/1994 | CN2175047Y Adjustment mechanism for eccentric force moment of vibrator |
| 08/23/1994 | US5341057 Vibrator motor for a wireless silent alerting device |
| 08/18/1994 | WO1994017734A1 Ultrasound catheter |
| 08/18/1994 | DE4304490A1 Braking and vibrating table with hydraulic drive |
| 08/17/1994 | EP0472649A4 Stringed musical instrument |
| 08/16/1994 | US5339292 Acoustic transducer |
| 08/16/1994 | US5339290 Membrane hydrophone having inner and outer membranes |
| 08/16/1994 | US5337644 Stringed musical instrument with multi-laminate fretboard |
| 08/10/1994 | EP0609754A2 Electromagnetic ultrasound transducer |
| 08/10/1994 | EP0609561A1 Transducer |
| 08/10/1994 | CN2173592Y Electromagnetic extracorporeal shock wave generator |
| 08/04/1994 | WO1994016826A1 Ultrasonic transducer array and manufacturing method thereof |
| 08/02/1994 | US5334183 Endoscopic electrosurgical apparatus |
| 08/02/1994 | US5333455 Displacement magnifier for piezoelectric element |
| 07/27/1994 | EP0607443A1 Ultrasonic wave probe |
| 07/27/1994 | EP0450030B1 Electroacoustic unit for generating high sonic and ultrasonic intensities in gases and interphases |
| 07/27/1994 | EP0440655B1 Ultrasonic transducer comprising at least one row of ultrasonic elements |
| 07/26/1994 | US5332943 High temperature ultrasonic transducer device |
| 07/26/1994 | CA1331041C Ultrasound head with removable resonator assembly |
| 07/20/1994 | EP0444173B1 Device for determining and/or monitoring a predetermined volume in a container |
| 07/20/1994 | CN2172161Y Vibrating sifter vibration exciter |
| 07/20/1994 | CN1025481C High energy activator |
| 07/19/1994 | US5329682 Method for the production of ultrasound transformers |
| 07/14/1994 | DE4320549C1 Ultrasonic transducer with impedance matching surface layer |
| 07/13/1994 | EP0605950A1 Improvements in concrete pipe fabrication |
| 07/12/1994 | US5329498 Signal conditioning and interconnection for an acoustic transducer |
| 07/12/1994 | US5329496 Two-dimensional array ultrasonic transducers |
| 07/12/1994 | US5329202 Large area ultrasonic transducer |
| 07/12/1994 | US5327895 Ultrasonic probe and ultrasonic diagnosing system using ultrasonic probe |
| 07/12/1994 | US5327890 Apparatus for treating a patient with acoustic waves |
| 07/07/1994 | DE4243755A1 Centrifugal force type vibration exciter |
| 07/05/1994 | US5327399 Multivibrator waveform monitoring system |
| 07/05/1994 | US5327397 Wideband, derivative-matched, continuous aperture acoustic transducer |
| 07/05/1994 | US5327120 Selective call receiver |
| 07/05/1994 | CA2042623C Acoustic transducer |
| 06/29/1994 | CN2170160Y Sound wave generator |
| 06/23/1994 | WO1994013449A1 Apparatus for centrifuging a hardenable liquid material and uses thereof |
| 06/23/1994 | WO1994013411A1 Ultrasonic transducer |
| 06/23/1994 | DE4243238A1 Fabric testing equipment |
| 06/23/1994 | CA2151844A1 Centrifugation facility for hardenable fluid material and products made with such method |
| 06/23/1994 | CA2086053A1 Apparatus with inversion linkage mechanism |
| 06/22/1994 | EP0602949A2 Curvilinear interleaved longitudinal-mode ultrasound transducers |
| 06/22/1994 | EP0602261A1 Method for making piezoelectric composites |
| 06/22/1994 | CN2169488Y Two function vibrator for experiment |
| 06/19/1994 | CA2085760A1 Method for making piezoelectric composites |
| 06/16/1994 | DE4323134C1 Ultrasonic oscillator - has oversize matching body resting on support ring for acoustic dampening |
| 06/14/1994 | US5321333 Torsional shear wave transducer |
| 06/14/1994 | US5321332 Wideband ultrasonic transducer |
| 06/14/1994 | US5320448 Drive mechanism for a vibratory compactor |
| 06/14/1994 | US5319938 Acoustic resonator having mode-alignment-canceled harmonics |
| 06/09/1994 | WO1994012108A1 An ultrasonic surgical handpiece and an energy initiator to maintain the vibration and linear dynamics |
| 06/09/1994 | DE4241146A1 Electronic signalling device for monitoring e.g. fuses - has capacitance of piezoceramic sound emitter used as capacitance of RC generator |
| 06/08/1994 | EP0600758A1 Seal for electro-acoustic motors |
| 06/08/1994 | EP0600526A1 Vibrating arrangement for machinery |
| 06/08/1994 | CN2167788Y Pendulum double medium inertia linear vibrating apparatus |
| 06/07/1994 | US5319257 Unitaxial constant velocity microactuator |
| 06/07/1994 | US5318253 Method for removing deposits from surfaces of thin-walled structures and a device for effecting same |
| 06/01/1994 | EP0598715A1 Ultrasonic transducer |
| 06/01/1994 | DE4239942A1 Sleeping aid incorporated into bed - involves rotating wheel provided with eccentric wt. in underside of bed producing imbalance, setting bed in slightly elliptical movement |
| 06/01/1994 | CN2166893Y Apparatus for generating mechanical vibration |
| 05/31/1994 | US5317229 Pressure pulse source operable according to the traveling wave principle |
| 05/31/1994 | US5317111 Ultrasonic measurement apparatus |
| 05/31/1994 | US5316000 Use of at least one composite piezoelectric transducer in the manufacture of an ultrasonic therapy apparatus for applying therapy, in a body zone, in particular to concretions, to tissue, or to bones, of a living being and method of ultrasonic therapy |
| 05/31/1994 | US5315909 Musical wind chime |
| 05/26/1994 | WO1994011859A1 Piezoelectric vibrator assembly |
| 05/26/1994 | CA2149643A1 Piezoelectric vibrator assembly |
| 05/25/1994 | EP0401240B1 Vibration generator |
| 05/24/1994 | US5315565 Resonance oscillator |