US PATENT SUBCLASS 166 / 177.7
AGITATOR
Current as of: June, 1999
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DEFINITION
Classification: 166/177.7
Agitator:
(under the class definition) Apparatus comprising means for generating irregular, quick, or violent action for cleaning or stimulating flow in a well.
(1) Note. For classification in this subclass as an agitator a device must clearly be intended to function as removing detritus or promoting fluid movement.
(2) Note. Excluded from this subclass is agitation caused by the motion of whirling or rotary nozzles.
SEE OR SEARCH THIS CLASS, SUBCLASS:
112, for eduction pumps with means to force well liquid out of the pump while it is operating to wash the well or agitate the liquid.
170+, especially subclass 174 for brushing, scraping or cutting cleaners which may agitate the well fluid as they brush or scrape.
177.1, for sonic agitating means.
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. 223, for agitation caused by the motion of whirling or rotary nozzles.
SEE OR SEARCH CLASS
366, Agitating,
108+, for agitating by vibration devices.
417, Pumps,
430+, for pumps with means to agitate the pump fluid or
prevent foreign material settling therefrom.
