Title:
Closures for fluid contact apparatus
United States Patent 3019003
Inventors:
Glitsch, Hans C.
Publication Date:
01/30/1962
Export Citation:
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Assignee:
FRITZ W GLITSCH & SONS INC
Primary Class:
261/114.4
Other Classes:
137/513.5, 137/534, 202/158, 261/114.1
International Classes:
B01D3/16; B01D3/14
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US Patent References:
2860659Flow control valve
2834379Fluid flow control unit
2649277Check valve
2486899Balancing valve
2061830Liquid and gas contacting apparatus
1857459Valve for cookers
1190654N/A
0548835N/A
Foreign References:
DE60314C
GB692610A