Heat exchange and mass transfer packing and packed column...

Gas and liquid contact apparatus – Contact devices – Porous mass

Reexamination Certificate

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Details

C261S112200, C261SDIG007

Reexamination Certificate

active

06854719

ABSTRACT:
A heat exchange or mass transfer column in which the packing bed is formed from individual packing layers wherein the sheet metal plates of the packing have different thicknesses.

REFERENCES:
patent: 4981621 (1991-01-01), Pluss
patent: 5876638 (1999-03-01), Sunder et al.
patent: 6206349 (2001-03-01), Parten
patent: 6280819 (2001-08-01), McKeigue et al.
patent: 6560990 (2003-05-01), Hayashida et al.
patent: 6565629 (2003-05-01), Hayashida et al.
patent: 20030047821 (2003-03-01), Zich et al.
patent: 100 01 694 (2001-07-01), None
patent: 0 858 830 (1998-08-01), None
patent: 9716247 (1997-05-01), None

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