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Class Information
Number: 222/204
Name: Dispensing > Siphon combined with discharge assistant
Description: Dispensers having (1) a siphon, i.e., a discharge conduit having an outlet below the material level and an intermediate portion at an elevation above the material level so that once flow is started it will continue, combined with (2) a discharge assistant.

Patents under this class:

Patent Number Title Of Patent Date Issued
8287820 Automated pipetting apparatus having a combined liquid pump and pipette head system Oct. 16, 2012
8220663 Multiple inlet tube dispensing system Jul. 17, 2012
7971756 Filtering device and related wireless communication receiver Jul. 5, 2011
7641076 Liquid dispensing system Jan. 5, 2010
7104422 Fluid dispensing apparatus having means for measuring fluid volume continuously Sep. 12, 2006
6766838 Liquid dispensing device Jul. 27, 2004
6029853 Dispersing method, dispersing apparatus and dispersing system having dispersing apparatus Feb. 29, 2000
6012481 Constant-level fluid supplier Jan. 11, 2000
5649647 Transfer pump for chlorinated liquid Jul. 22, 1997
5195657 Manifold liquid handling device with backsip function Mar. 23, 1993
4989760 Self-fill siphon pipes Feb. 5, 1991
4787890 Feeding system for enteral feeding Nov. 29, 1988
4601409 Liquid chemical dispensing system Jul. 22, 1986
4527467 Filter device for making tea Jul. 9, 1985
4303180 Vacuum insulated, heat retaining, liquid dispensing bottle Dec. 1, 1981
4049156 Thermally-responsive liquid dispenser Sep. 20, 1977

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