(under subclass 590) Apparatus in which the means comprises a member or material having one or more orifices, pores, or passages extending therethrough.
SEE OR SEARCH THIS CLASS, SUBCLASS:
462, for a distributor having fluid deflection or rotation controlling means and a filter or screen.
553.3, for a distributor having plural outlets and an orificed, porous or passaged means upstream of the outlets to filter material from the fluid or to spread out or direct the fluid.
575, for a distributor having valve means and a filter or
screen in the flow line.
SEE OR SEARCH CLASS 55, Gas Separation, appropriate subclasses for a filter or screen, per se, used in apparatus to separate a gas from an initial mixture with a liquid or solid.
210, Liquid Purification or Separation, appropriate subclasses for a filter or screen, per se, used to separate particles from a liquid mixture.
