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Class Information
Number: 137/11
Name: Fluid handling > Processes > With control of flow by a condition or characteristic of a fluid > For regulating boiler feed water level
Description: Processes in which one or more conditions or characteristics of a fluent material is determined and used to control the flow of boiler feed water.

Patents under this class:

Patent Number Title Of Patent Date Issued
8489240 Control system for industrial water system and method for its use Jul. 16, 2013
7931041 System and method for controlling liquid level in a vessel Apr. 26, 2011
7578967 Steam collapsing apparatus and system Aug. 25, 2009
7368040 Apparatus for and method of heating fluid and distilling fluid May. 6, 2008
6615931 Continuous feed drilling system Sep. 9, 2003
4759314 Method of control of steam quality from a steam generator Jul. 26, 1988
4569012 Method and system for controlling fluid transportation in a pipe network Feb. 4, 1986

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