US PATENT SUBCLASS 166 / 177.6
VIBRATOR
Current as of: June, 1999
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DEFINITION
Classification: 166/177.6
Vibrator:
(under the class definition) Apparatus using rapid back and forth movement for loosening pipes, inserting pipes, cleaning, or stimulating flow.
SEE OR SEARCH THIS CLASS, SUBCLASS:
177.1+, for sonic vibrating devices.
178, for devices for giving a discrete blow to a well apparatus or part thereof to free it from the well, any vibratory effect being merely incidental to the intended function rather than the principal intended function of the device.
249, for processes for vibrating the earth.
SEE OR SEARCH CLASS
175, Boring or Penetrating the Earth, 56, for processes or apparatus for boring the earth including a relationship between the natural vibration characteristics of one boring element and (a) the natural vibration characteristics of another boring element or (b) the frequency of an imposed motion.
