US PATENT SUBCLASS 196 / 127
.~ Fluid injectors

Current as of: June, 1999
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196 /   HD   MINERAL OILS: APPARATUS

104  DF  VAPORIZING {22}
127.~ Fluid injectors

DEFINITION

Classification: 196/127

(under subclass 104) Mineral-oil vaporizers provided with means for injecting gas, vapor, or liquid into the oil being distilled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

126, for fluid injectors which cause a definite circculation or agitation of the oil.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

5.51+,.

159, Concentrating Evaporators, 16.1,.

208, Mineral Oils: Processes and Products,

125, 128, 356 and 362 for processes for mineral oil treatment involving injecting a gas, vapor or liquid.

261, Gas and Liquid Contact Apparatus, appropriate subclass.