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Class Information
Number: 137/169
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure discharge of liquids feed traps (e.g., to boiler) > Gas pressure controlled by manual or cyclic means
Description: Feed-traps wherein the gas pressure application to the feed-traps controlled by manual or cyclic means.

Sub-classes under this class:

Class Number Class Name Patents
137/170 Movable trap chamber 1

Patents under this class:

Patent Number Title Of Patent Date Issued
4611395 Filling system for hermetically sealed batteries Sep. 16, 1986

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