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Class Information
Number: 55/DIG.32
Name: Gas separation > Gaseous fluid conveying
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7575617 Integral filter and grill assembly for a cold air return Aug. 18, 2009
6858053 Exhaust system, in particular, for housing-type enclosures of machine tools Feb. 22, 2005
6733556 Antibacterial/antiviral filtering device for ventilation systems May. 11, 2004
6623544 Air purification system and method of operation Sep. 23, 2003
5518529 Method and device for ash discharge May. 21, 1996
4995990 Air and water distribution conduit Feb. 26, 1991
4552573 Dust suppressor apparatus Nov. 12, 1985
4415297 Vacuum material transporting system Nov. 15, 1983
4411674 Continuous clean bag filter apparatus and method Oct. 25, 1983
4083607 Gas transport system for powders Apr. 11, 1978











 
 
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