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Class Information
Number: 137/250
Name: Fluid handling > With liquid valves or liquid trap seals > Seal for relatively movable valving parts > Horizontally moving valve > Rotary
Description: Apparatus in which the movement in a horizontal plane is rotary.

Patents under this class:

Patent Number Title Of Patent Date Issued
8047060 Method and apparatus for sample injection in liquid chromatography Nov. 1, 2011
7195229 Automatic sampler Mar. 27, 2007
4671915 Method for making a glass precision valve Jun. 9, 1987

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