Cleaning and liquid contact with solids – Processes – Including regeneration – purification – recovery or separation...
Reexamination Certificate
2009-08-18
2010-11-30
Barr, Michael (Department: 1711)
Cleaning and liquid contact with solids
Processes
Including regeneration, purification, recovery or separation...
C134S104400
Reexamination Certificate
active
07842136
ABSTRACT:
A device and method for handling waste water to-be-discharged out of a dishwashing machine that includes a pump well and a sump section, with the sump section communicating with the pump well in the lower regions of the dishwashing machine through an inflow section. The device also contains a valve located in or operating with the inflow section that blocks the influx of waste water from the pump well into the sump section when the valve is closed. The valve allows the influx of waste water from the pump well into the sump section when the valve is opened.
REFERENCES:
patent: 3476600 (1969-11-01), Selmeczi et al.
patent: 4848382 (1989-07-01), Bertsch et al.
Giefer Heinz-Werner
Hechtl Georg
Nannt Hans-Peter
Sipple Horst
Barr Michael
BSH Bosch und Siemens Haus-geraete GmbH
Howard James E.
Pallapies Andre
Riggleman Jason P
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