Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B06
GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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B06B
METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY,; e.g.; FOR PERFORMING MECHANICAL WORK IN GENERAL
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1/00
Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
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B06B1/02
making use of electrical energy
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B06B1/06
operating with piezoelectric effect or with electrostriction
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B06B1/0607
using multiple elements
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B06B1/0618
of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'
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