| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 10/06/1988 | DE3710339A1 Piezopolymer ultrasonic transducer |
| 10/05/1988 | EP0285469A1 Method and apparatus to detect and correct the electrode position, in particular for shock wave generators with a hydraulic jack as a feeler in the focal point |
| 09/29/1988 | DE3708922A1 Device for manufacturing concrete parts |
| 09/28/1988 | EP0283823A1 Apparatus for generating and radiating ultrasound, especially for ultrasound therapy |
| 09/28/1988 | EP0283822A1 Ultrasound application head, especially for therapeutic uses |
| 09/27/1988 | US4774427 Downhole oil well vibrating system |
| 09/27/1988 | US4773140 Phased array transducer construction |
| 09/22/1988 | DE3707470A1 Method and apparatus for the production of moulds for full mould casting |
| 09/21/1988 | EP0282673A2 Device including battery-activated oscillator |
| 09/21/1988 | EP0282616A1 Ultrasonic liquid sprayer |
| 09/20/1988 | US4771645 Vibrating plate compactor |
| 09/20/1988 | CA1242268A1 Low frequency sound transducer |
| 09/06/1988 | US4769795 Method of making an underwater electroacoustic transducer with long-lasting high leakage resistance |
| 09/06/1988 | US4769571 Neoprene layer coupled to sample; polyvinylidene fluoride stacks; paper |
| 09/06/1988 | US4769570 Piezo-electric device |
| 09/01/1988 | DE3705575A1 Vibrating roller for compacting work |
| 08/30/1988 | US4768022 Apparatus for generating auditory indicators |
| 08/30/1988 | US4767959 Method and apparatus for driving capacitive-type load |
| 08/30/1988 | US4766771 Variable unbalanced rotating mechanism |
| 08/30/1988 | CA1241432A1 End weighted reed sound transducer |
| 08/23/1988 | US4766575 Cylindrical sonar array |
| 08/18/1988 | DE3703338A1 Lithotripter with an integrated locating device |
| 08/18/1988 | DE3703335A1 Lithotripter with polyvinylidene fluoride film as locating element |
| 08/16/1988 | US4764907 Underwater transducer |
| 08/16/1988 | US4764695 Vibrator |
| 08/16/1988 | US4763967 Tunable resonant device |
| 08/16/1988 | CA1240787A1 Transducer device |
| 08/11/1988 | DE3803176A1 Ultrasonic probe |
| 08/03/1988 | EP0276407A2 Apparatus for calibrating a bulk wave monitoring system |
| 08/03/1988 | EP0276242A1 Method of and apparatus for ultrasonic imaging |
| 07/28/1988 | WO1988005497A1 Device for cavitation treatment of liquid fuel |
| 07/26/1988 | US4759659 Variable vibrator system |
| 07/13/1988 | EP0274136A2 Multiparameter generator for ultrasonic transducers |
| 07/13/1988 | EP0274052A1 Device for generating predetermined rotational vibrations in a mechanical gearing |
| 07/12/1988 | US4757219 Lamination type of magnetostrictor and manufacturing method thereof |
| 07/12/1988 | US4756861 Mold containing lower curing pallet, support, vibrator tube, rotator, vibrator ring having selectively engageable means to connect ring to pallet |
| 07/12/1988 | US4756808 Forming electrode layers on opposite surfaces of piezoelectric material element, forming acoustic matching section on one surface of electrode layer |
| 07/12/1988 | US4756478 Vibrating element for use on an ultrasonic injection nozzle |
| 07/05/1988 | US4755708 Hydrophone |
| 06/29/1988 | EP0272657A2 Drive network for an ultrasonic probe |
| 06/29/1988 | CN85104107B Multifunctional electromagnetic vibration generator |
| 06/28/1988 | US4754440 Ultrasonic transducer |
| 06/28/1988 | US4754186 Drive network for an ultrasonic probe |
| 06/23/1988 | DE3642280A1 Transmitting signal generator |
| 06/22/1988 | EP0272244A2 Method and device for determining vibration characteristics and for driving a piezoelectric transducer |
| 06/22/1988 | EP0272128A2 Adjustable throw eccentric drives |
| 06/22/1988 | EP0272084A2 Ultrasonic horn driving apparatus and method with active frequency tracking |
| 06/21/1988 | US4752918 Electrio-acoustic transducers |
| 06/21/1988 | US4752137 Poker vibrator |
| 06/21/1988 | CA1238239A1 Low voltage transformer coupled ink jet driver |
| 06/21/1988 | CA1238215A1 Ultrasonic horn assembly |
| 06/16/1988 | DE3641058A1 Circuit arrangement for feeding an ultrasonic transmitter, particularly for a scaler |
| 06/15/1988 | EP0271394A1 Echographic probe with a modified connection circuit |
| 06/15/1988 | EP0270819A2 Linear power control for ultrasonic probe with tuned reactance |
| 06/14/1988 | US4751420 Ultrasonic test head |
| 06/14/1988 | US4750902 Endoscopic ultrasonic aspirators |
| 06/14/1988 | US4750488 Vibration apparatus preferably for endoscopic ultrasonic aspirator |
| 06/09/1988 | DE3740000A1 Electronic siren |
| 06/08/1988 | EP0270448A1 Probe for an ultrasonic apparatus with a bar composed of piezo-electric elements |
| 06/08/1988 | EP0270447A1 Echographie probe with an arrangement of piezoelectric elements |
| 06/07/1988 | US4749900 Multi-layer acoustic transducer for high frequency ultrasound |
| 06/07/1988 | US4749891 Non-linear electromagnetic vibration device |
| 06/07/1988 | US4748851 Apparatus for simultaneously vibrating specimens in multiple directions |
| 06/07/1988 | CA1237635A1 Process and apparatus for vibratory operation of a working piston |
| 06/02/1988 | WO1988004092A1 Probe with bar of piezoelectric elements for ultrasound apparatus |
| 06/02/1988 | WO1988004091A1 Echography probe with arrangement of piezoelectric elements |
| 06/02/1988 | WO1988004090A1 Echography probe with improved connection circuit |
| 06/02/1988 | WO1988004066A1 Tunable resonant device |
| 06/01/1988 | EP0268818A1 Equipment for the transmission and reception of ultrasonic signals |
| 05/31/1988 | US4748365 Method and apparatus for supplying electric power to a vibration generator transducer |
| 05/31/1988 | US4747192 Method of manufacturing an ultrasonic transducer |
| 05/25/1988 | EP0268326A2 Method and apparatus for deploying an electroacoustical vibrator device |
| 05/25/1988 | EP0268082A1 Shock wave generator with a short initial pulse |
| 05/24/1988 | US4746831 Ultrasonic transreceiver |
| 05/24/1988 | CA1329428B Method and apparatus for acoustic well logging |
| 05/24/1988 | CA1237191A1 Method and apparatus for acoustic well logging |
| 05/19/1988 | WO1988003739A1 A composite sonar transducer for operation as a low frequency underwater acoustic source |
| 05/18/1988 | EP0267716A2 Print head for use in a wire matrix printer |
| 05/18/1988 | EP0267475A1 Ultrasonic sensor |
| 05/18/1988 | EP0267223A1 Acoustic transducer |
| 05/17/1988 | CA1329427B Rod-Type Multipole Source for Acoustic Well Logging |
| 05/17/1988 | CA1236911A1 Rod-type multipole source for acoustic well logging |
| 05/11/1988 | EP0266977A2 Print head for use in a wire matrix printer |
| 05/11/1988 | EP0266538A1 Shock wave generator |
| 05/11/1988 | EP0266485A2 Electromechanical horn with excitation of its acoustic diaphragm controlled electronically by sensors which measure its resonance frequency |
| 05/11/1988 | DE3638207A1 Process for producing purpose-made concrete blocks, and apparatus for carrying out the process |
| 05/11/1988 | DE3637366A1 Electromagnetic ultrasonic transducer |
| 05/10/1988 | US4743789 Variable frequency drive circuit |
| 05/10/1988 | US4743178 Non-linear electromagnetic vibration fluid compression device |
| 05/10/1988 | US4742721 Vibrating device |
| 05/04/1988 | EP0265679A2 Flexural disk transducer |
| 05/03/1988 | US4742499 Flextensional transducer |
| 05/03/1988 | US4742495 Acoustic energy transmitter for borehole logging |
| 05/03/1988 | US4742494 Device for reading a two-dimensional charge image |
| 05/03/1988 | CA1235930A1 Acoustic fish behavioural control device |
| 04/28/1988 | DE3635364A1 Array-type radiator |
| 04/27/1988 | EP0265309A1 Vibrator control apparatus |
| 04/27/1988 | EP0264991A1 Ultrasonic flow meter |
| 04/27/1988 | EP0264394A1 Recirculating bearing |
| 04/21/1988 | WO1988002666A1 Hammering device |