Small volume liquid handling apparatus and method

Details Small volume liquid handling apparatus and method Small volume liquid handling apparatus and method

2007-11-13

2007-11-13

Warden, Jill (Department: 1743)

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

C422S091000, C422S105000, C073S863010, C436S180000, C222S195000

Reexamination Certificate

active

10438789

ABSTRACT:
A fluid dispensing system comprising: a fluid container; a dispensing head in fluid communication with the fluid container; a displacement mechanism which delivers fluid from the fluid container to the dispensing head such that an aliquot of liquid is delivered to a distal end of the dispensing head where the aliquot of liquid is retained; and a pressurized gas displacement mechanism which delivers an aliquot of gas to the distal end of the dispensing head which causes the aliquot of liquid retained at the distal end of the dispensing head to separate from the distal end of the dispensing head.

REFERENCES:
patent: 5403617 (1995-04-01), Haaland
patent: 5558837 (1996-09-01), Tsukishima
patent: 5738728 (1998-04-01), Tisone
patent: 5741554 (1998-04-01), Tisone
patent: 5916524 (1999-06-01), Tisone
patent: 6063339 (2000-05-01), Tisone et al.
patent: 6446878 (2002-09-01), Chandra et al.
patent: 6737022 (2004-05-01), Sutton et al.
patent: 2002/0064482 (2002-05-01), Tisone et al.
patent: 2002/0092366 (2002-07-01), Brock et al.

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