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Class Information
Number: 261/6
Name: Gas and liquid contact apparatus > With liquid separations > Filtering > Unitary structure
Description: The filter having structural relations with the contact apparatus other than pipe connections.

Patents under this class:

Patent Number Title Of Patent Date Issued
8181938 Humidification chambers May. 22, 2012
7238320 Device for oxygenating blood in an extracorporeal circuit Jul. 3, 2007
6852136 Method for manufacturing tantalum oxy nitride capacitors Feb. 8, 2005
6533255 Liquid metal-heating apparatus for biological/chemical sample Mar. 18, 2003
5695651 Inlet screen Dec. 9, 1997
5190648 Water purifying method and apparatus Mar. 2, 1993
4724104 Humidifier provided with a purifier Feb. 9, 1988
4479907 Method of and apparatus for producing highly humid air Oct. 30, 1984
4424007 Pump and filter assembly for evaporative coolers Jan. 3, 1984
4410339 Apparatus for washing air in air-conditioning systems Oct. 18, 1983
4390478 Spraying apparatus for water cooling tower Jun. 28, 1983
3964886 Gas scrubbing apparatus Jun. 22, 1976

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