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Class Information
Number: 137/211.5
Name: Fluid handling > Diverse fluid containing pressure systems > Gas pressure storage over or displacement of liquid > With gas maintenance or application > Gas injected by liquid pressure or flow
Description: Apparatus including means to apply gas pressure over the liquid said means utilizing the pressure of flow of the liquid to apply the gas.

Patents under this class:

Patent Number Title Of Patent Date Issued
7028488 Method and apparatus to minimize fractionation of fluid blend during transfer Apr. 18, 2006
5862946 Gas dissolution under pressure Jan. 26, 1999
5647392 Air regulation system for hydropneumatic reservoir Jul. 15, 1997
5205316 Air/water volume control system Apr. 27, 1993
4659291 Hydroelectric switch for controlling electric motor driven pump Apr. 21, 1987
3991783 System for rapidly building an air cushion over liquid in a tank Nov. 16, 1976
3964479 Extracorporeal blood circulation system and drip chamber with adjustable blood level Jun. 22, 1976

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