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Class Information
Number: 137/533.23
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Weight biased > Valve body is the weight > Guided head > Guide stem > With closing stop
Description: Devices in which nonvalving structure carried by the head engages a stop or abutment when the valve closes.










Patents under this class:

Patent Number Title Of Patent Date Issued
7819131 Springless compressor valve Oct. 26, 2010
7314187 Atomizer for applying liquids onto eyes Jan. 1, 2008
7104470 Device for producing high pressure in a fluid in miniature Sep. 12, 2006
6918547 Device for producing high pressure in a fluid in miniature Jul. 19, 2005
6726124 Device for producing high pressure in a fluid in miniature Apr. 27, 2004
6497373 Device for producing high pressure in a fluid in miniature Dec. 24, 2002
4586910 Inflation valve for balloons and the like May. 6, 1986











 
 
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