| Patents for B06B 1 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency (14,020) |
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| 09/13/1977 | US4047704 Shaking machine comprising at least supports for the treated matter |
| 08/30/1977 | US4044630 Adjustable eccentric |
| 08/23/1977 | US4044297 Ultrasonic generator with combined oscillator and current regulator |
| 08/23/1977 | US4043221 Mass-imbalance oscillation generator |
| 08/16/1977 | US4042845 Transducer assembly and method for radiating and detecting energy over controlled beam width |
| 08/09/1977 | US4040303 Two mass vibratory material handling apparatus and methods of manufacturing and fine tuning the same |
| 08/02/1977 | US4039767 Acoustic emission transducer calibration |
| 08/02/1977 | US4039167 Hydraulic vibrator |
| 07/26/1977 | US4038570 Ultrasonic piezoelectric transducer drive circuit |
| 07/12/1977 | US4035761 Sonar transducer having inertial inductor |
| 07/12/1977 | US4034614 Apparatus for generating vibrations |
| 07/05/1977 | US4034332 Ultrasonic transmitting and receiving devices using dielectric transducers |
| 07/05/1977 | US4034246 Variable vibrating motor |
| 07/05/1977 | US4034244 Resonant cylindrically shaped ultrasonic wave generator |
| 07/05/1977 | US4033193 Vibratory drive unit |
| 07/05/1977 | US4033180 Ultrasonic microphone for operating with an accumulated layer of mud over its vibratile surface without change in sensitivity within its prescribed frequency range |
| 06/28/1977 | US4032891 Signal transmitter using an active thick film substrate |
| 06/28/1977 | US4032803 Hand tool for creating and applying ultrasonic vibration |
| 06/28/1977 | US4031812 Hydraulic vibrator for actuator drive |
| 06/21/1977 | US4031503 Anti-corrosion ultrasonic transducer |
| 06/21/1977 | US4031502 Hydrophone with acoustic reflector |
| 06/21/1977 | US4030175 Method of making a metal enclosed transducer assembly |
| 05/31/1977 | US4027280 Transducer drive circuit for remote control transmitter |
| 05/31/1977 | US4026193 Hydraulically driven hammer system |
| 05/17/1977 | US4024484 Variable inductance transducer |
| 05/10/1977 | US4023162 Electronic buzzer |
| 05/03/1977 | US4021756 Electric remote control transmitter |
| 04/26/1977 | US4020448 Oscillating crystal transducer systems |
| 04/26/1977 | US4019683 Liquid atomizing apparatus utilizing ultrasonic wave |
| 04/26/1977 | US4019375 Means for inducing vibration in an airfoil |
| 04/26/1977 | US4019374 Electromagnetic impulser for dynamically loading a structure |
| 04/19/1977 | US4018290 Hydraulically driven vibrator |
| 04/12/1977 | US4017824 Acceleration-insensitive hydrophone |
| 04/12/1977 | US4017754 Actuating devices |
| 04/12/1977 | US4017060 Tuned vibratory feeders |
| 04/05/1977 | US4016530 Broadband electroacoustic converter |
| 04/05/1977 | US4015319 Method for manufacturing an ultrasonic transducer |
| 03/29/1977 | US4015233 Pressure sensor of low sensitivity with respect to acceleration |
| 03/22/1977 | US4013992 Diver's piezoelectric microphone with integral agc preamplifier |
| 03/22/1977 | US4013990 Bellows caging mechanism for airborne hydrophone |
| 03/15/1977 | US4012647 Ultrasonic motors and converters |
| 03/08/1977 | US4011540 Combined electret hydrophone and transmission line |
| 03/08/1977 | US4011474 Piezoelectric stack insulation |
| 03/08/1977 | US4011473 Ultrasonic transducer with improved transient response and method for utilizing transducer to increase accuracy of measurement of an ultrasonic flow meter |
| 03/08/1977 | US4011472 Acoustic emission transducer |
| 03/01/1977 | US4010441 Flexion-plate hydrophones |
| 03/01/1977 | US4010407 Energy exchanger for an electrical vehicle |
| 02/15/1977 | US4007825 Vibratory parts feeder driven by rotating eccentric weights |
| 02/08/1977 | US4006665 Percussion tool |
| 01/18/1977 | US4004266 Transducer array having low cross-coupling |
| 01/18/1977 | US4004165 Ultrasonic signal generators |
| 01/18/1977 | US4003203 Hydraulic exciter of vibrations for a vibratory compactor |
| 01/04/1977 | US4001817 Ultrasonic rodent control device and method |
| 01/04/1977 | US4001658 Oscillator for non-sinusoidal movements |
| 12/07/1976 | US3995703 Electrohydraulically operated portable power tool |
| 12/07/1976 | US3995530 Shaking machine |
| 11/30/1976 | US3995179 Damping structure for ultrasonic piezoelectric transducer |
| 11/16/1976 | US3992694 Transducer with half-section active element |
| 11/16/1976 | US3992693 Underwater transducer and projector therefor |
| 11/02/1976 | US3989965 Acoustic transducer with damping means |
| 11/02/1976 | US3989963 Control circuits for piezo electric transducers |
| 11/02/1976 | US3989042 Oscillator-exciting system for ultrasonic liquid nebulizer |
| 10/19/1976 | US3987320 Multiaxis piezoelectric sensor |
| 10/19/1976 | US3986669 Ultrasonic tubular emulsifier and atomizer apparatus and method |
| 10/12/1976 | US3984903 Method of spanning across a frame a high-molecular-weight piezoelectric element |
| 10/05/1976 | US3984705 High power remote control ultrasonic transmitter |
| 10/05/1976 | US3984086 Electro viscous vibrators |
| 10/05/1976 | US3983788 Method to minimize the amount of oil in the air exhausted from a pneumatically operated impact motor and an impact motor for carrying out this method |
| 09/28/1976 | US3983425 Tuned plate acoustic projector with piezoelectric driver |
| 09/28/1976 | US3982425 Ultrasonic inspection system |
| 09/21/1976 | US3982144 Directional low-frequency ring hydrophone |
| 09/21/1976 | US3982142 Piezoelectric transducer assembly and method for generating a cone shaped radiation pattern |
| 09/14/1976 | US3980984 Underwater connector |
| 09/14/1976 | US3980905 Apparatus and method for tuning a broad bandwidth transducer array |
| 09/07/1976 | US3979565 Metal enclosed transducer assembly |
| 08/17/1976 | US3975650 Ultrasonic generator drive circuit |
| 08/10/1976 | US3974476 Highly-directional acoustic source for use in borehole surveys |
| 08/10/1976 | US3974474 Underwater electroacoustic transducer construction |
| 07/27/1976 | US3972018 Electromechanical transducer |
| 07/27/1976 | US3971962 Linear transducer array for ultrasonic image conversion |
| 07/20/1976 | US3970878 Piezoelectric transducer unit and hydrophone assembly |
| 07/20/1976 | US3970862 Polymeric sensor of vibration and dynamic pressure |
| 07/20/1976 | US3970250 Ultrasonic liquid atomizer |
| 07/20/1976 | US3969927 Vibration measuring and the apparatus therefor |
| 07/13/1976 | US3969208 Ultrasonic apparatus |
| 07/13/1976 | US3968680 Wide-band ultrasonic transducer and its uses |
| 06/29/1976 | US3967143 Ultrasonic wave generator |
| 06/29/1976 | US3966344 Adjustable vibratory roller |
| 06/15/1976 | US3964014 Sonic transducer array |
| 06/08/1976 | US3961774 Vibratory compactor |
| 06/01/1976 | US3961304 Decoupled hydrophone with reduced response to vibration and stress concentration |
| 05/04/1976 | US3954309 Hydrodynamic bearings for vibratory mechanisms |
| 04/27/1976 | US3953828 High power-wide frequency band electroacoustic transducer |
| 04/27/1976 | US3952387 Method of manufacturing an ultrasonic probe |
| 04/20/1976 | US3952216 Multiple-frequency transducer |
| 04/13/1976 | US3950660 Ultrasonic contact-type search unit |
| 04/06/1976 | US3949349 Dual electroacoustic transducers |
| 04/06/1976 | US3949348 Sonar apparatus |
| 04/06/1976 | US3948109 Vibratory screening apparatus |
| 03/30/1976 | US3947802 Omnidirectional low noise piezoelectric transducer |