| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 10/14/1987 | EP0241385A1 Vibrating-blade knife |
| 10/14/1987 | EP0240591A2 Means for generating audio-frequency |
| 10/13/1987 | US4700333 Hydrophone design to overcome reduction in leakage resistance between electrode surface of transducer element assembly and the water in which the hydrophone is immersed |
| 10/13/1987 | US4700100 Flexural disk resonant cavity transducer |
| 10/13/1987 | CA1227952A1 Vertical vibrator |
| 10/08/1987 | WO1987005793A1 Method and apparatus for ultrasonic surgical fragmentation |
| 10/08/1987 | DE3611219A1 Vibratory drive |
| 10/07/1987 | EP0240425A1 Method and apparatus for the application of multidirectional vibrations to an elastic support |
| 10/07/1987 | EP0240360A2 Ultrasonic oscillator |
| 10/07/1987 | EP0110876B1 Method and control device for a hydraulic hammer |
| 10/06/1987 | US4698541 Broad band acoustic transducer |
| 10/06/1987 | US4697581 Electromagnetic vibration generator |
| 09/30/1987 | EP0239561A2 Apparatus for generating vibrations |
| 09/30/1987 | EP0238688A1 Device for generating vibrations |
| 09/29/1987 | US4696708 Ultrasonic welding |
| 09/29/1987 | US4696425 Programmable ultrasonic power supply |
| 09/24/1987 | WO1987005773A1 Flextensional transducers |
| 09/24/1987 | WO1987005772A1 Sonar transducers |
| 09/23/1987 | EP0237616A2 Line array transducer assembly |
| 09/22/1987 | US4694699 For obtaining information of a specimen |
| 09/17/1987 | DE3639205C1 Circuit arrangement for an ultrasound test set |
| 09/16/1987 | EP0236482A1 Electronic pest repelling apparatus and method |
| 09/15/1987 | US4694440 Underwater acoustic wave transmitting and receiving unit |
| 09/10/1987 | DE3607189A1 Vibration-generating drive for a screening machine |
| 09/08/1987 | US4692654 Ultrasonic transducer of monolithic array type |
| 09/08/1987 | US4691724 Ultrasonic device |
| 09/08/1987 | US4691418 Ultrasonic transducer method |
| 08/27/1987 | WO1987004953A1 Apparatus for generating in particular low-frequency sound |
| 08/25/1987 | US4689776 Hand held portable dog repelling device |
| 08/25/1987 | US4689773 For immersion in an external acoustic transmission medium |
| 08/25/1987 | US4689515 Method for operating an ultrasonic frequency generator |
| 08/25/1987 | US4688468 Method of and apparatus for controlling pulse hydraulic generators |
| 08/25/1987 | CA1226076A1 Phased array transducer construction |
| 08/20/1987 | DE3604439A1 Electro-acoustical transducer, particularly for a sonar device |
| 08/19/1987 | EP0233066A2 Sieving apparatus |
| 08/18/1987 | US4688199 Transducers and control means |
| 08/18/1987 | US4687962 Ultrasonic horn driving apparatus and method with active frequency tracking |
| 08/12/1987 | EP0232010A2 Acoustic energy transmitter for borehole logging |
| 08/12/1987 | EP0231596A2 Electrostatic type atmospheric ultrasonic transducer |
| 08/12/1987 | EP0231406A2 Asymmetrically accelerated vibrator for feeding materials |
| 08/11/1987 | US4686408 Curvilinear array of ultrasonic transducers |
| 08/11/1987 | CA1225468A1 Method of fabricating composite electrical transducers |
| 08/11/1987 | CA1225457A1 Wide band acoustic receiver transducer |
| 08/04/1987 | US4685091 Method and apparatus for acoustic well logging |
| 07/29/1987 | EP0230360A2 Apparatus for generating low frequency acoustic energy waves |
| 07/28/1987 | US4683396 Composite ultrasonic transducers and methods for making same |
| 07/28/1987 | US4682896 Device for generating vibrations |
| 07/23/1987 | DE3601182A1 Vibrating table |
| 07/21/1987 | US4682308 Rod-type multipole source for acoustic well logging |
| 07/21/1987 | US4680968 For resonance operation with a beam chopper |
| 07/14/1987 | CA1224263A1 Acoustic multipole compressional wave logging |
| 07/08/1987 | EP0227985A2 Ultrasonic sensor |
| 07/07/1987 | US4679178 Arrangement in hydrophone |
| 07/07/1987 | US4678347 Recirculating bearing |
| 06/30/1987 | US4676106 Ultrasonic transducer |
| 06/23/1987 | US4675907 Electro-vibration transducer |
| 06/23/1987 | CA1223331A1 Method and apparatus for a phased array transducer |
| 06/23/1987 | CA1223144A1 Plural-amplitude vibration assembly |
| 06/17/1987 | CN86105899A Electrohydraulic servo vibration exciting installation |
| 06/16/1987 | US4674074 Saturated vapor pressure release mechanism |
| 06/16/1987 | US4674067 Method and apparatus for generating low frequency acoustic energy waves |
| 06/16/1987 | US4673833 Electromagnetic vibratory exciter |
| 06/16/1987 | US4672984 Ultrasonic wave cleaning apparatus and method |
| 06/10/1987 | EP0225113A2 Magnetostrictive transducer apparatus |
| 06/09/1987 | US4672592 Shaded transducer |
| 06/09/1987 | US4671293 Biplane phased array for ultrasonic medical imaging |
| 06/04/1987 | WO1987003448A1 Tubular acoustic projector |
| 06/04/1987 | DE3542741A1 Torsional oscillation device |
| 06/02/1987 | US4670683 Electronically adjustable mechanical lens for ultrasonic linear array and phased array imaging |
| 06/02/1987 | US4669424 Apparatus for and method of repelling pests such as fleas and ticks |
| 05/27/1987 | EP0223038A1 Sensing head for ultrasonic examination |
| 05/26/1987 | US4668938 Switching amplifier and electronic siren employing the same |
| 05/26/1987 | US4668937 Speaker activation control by microcomputer |
| 05/20/1987 | EP0222276A2 Ultrasonic measuring head |
| 05/19/1987 | US4665750 Underwater transducers |
| 05/13/1987 | EP0221460A2 Device to clean a tooth |
| 05/07/1987 | WO1987002601A1 Parallel-driven oscillating or vibrating supporting element fixedly supported by leaf springs |
| 05/06/1987 | EP0220709A1 Device for damping vibration on manually-operated vibrators |
| 04/30/1987 | DE3538229A1 Mittels blattfedern ortsfest abgestuetztes und parallel gefuehrtes schwing- oder ruetteltragorgan By means of leaf springs fixed abgestuetztes and parallel owned and managed swing or ruetteltragorgan |
| 04/29/1987 | EP0219919A1 Apparatus for the investigation of media by ultrasonic echography, comprising an array of piezoelectric transducer elements |
| 04/29/1987 | EP0219693A1 Method for operating a fluid-atomising ultrasonic atomiser |
| 04/29/1987 | EP0199766A4 Electronic frequency modulator. |
| 04/28/1987 | US4661814 Device for reading out a two-dimensional charge pattern by means of an array |
| 04/23/1987 | DE3633352A1 Vibrator |
| 04/22/1987 | EP0219171A2 Biplane phased array transducer for ultrasonic medical imaging |
| 04/21/1987 | US4658953 Device for moving workpieces by means of electromagnetic oscillations |
| 04/14/1987 | US4658176 Ultrasonic transducer using piezoelectric composite |
| 04/14/1987 | CA1220373A1 Vibratory mechanism |
| 04/08/1987 | EP0217694A1 Method and device for electrically powering a transducer generating sonic and ultrasonic vibrations |
| 04/08/1987 | EP0217680A1 Piezoelectric transducer of the Tonpilz type for use either as a wideband transmitter or as a receiver |
| 04/07/1987 | US4656384 Ultrasonic detection sensor in hybrid structure with appertaining electronic circuit |
| 04/07/1987 | CA1220037A1 Sonic device for extracting minerals from ore |
| 04/02/1987 | DE3534853A1 Verfahren zum betrieb eines ultraschallzerstaeubers zur fluessigkeitszerstaeubung A method of operating an ultrasonic atomizer for liquid atomization |
| 04/01/1987 | EP0216674A1 Spraying device for spraying powder |
| 04/01/1987 | EP0216579A2 Control of vibration energisation |
| 03/31/1987 | US4653927 Rotary air roller vibrator |
| 03/31/1987 | US4653606 Electroacoustic device with broad frequency range directional response |
| 03/31/1987 | US4653594 Vibration generating apparatus |
| 03/31/1987 | CA1219900A1 Subharmonic controller for electromagnetic exciter |
| 03/26/1987 | WO1987001888A1 Electronic pest repelling apparatus and method |