1
Jag S Tandon: Air pollution control system method and apparatus. American Environmental International, Robert E Wagner, Ralph R Rath, May 5, 1987: US04662899 (14 worldwide citation)

A pollution control system includes a condenser and filtering unit for removing vaporized organic solvents and particulate matter. The condenser includes baffles that define vertical flow paths, and hot exhaust gases are directed from above to alternate flow paths to flow downward while atmospheric ...


2
Jag S Tandon: Filter system to remove environmentally harmful products. American Environmental International, Wallenstein Wagner & Hattis, January 22, 1991: US04986836 (13 worldwide citation)

A system for the adsorption of volatile organic compounds from a contaminated gas stream. The system includes a filter for the removal of particulates from the stream, and a blower which draws the stream through the filter and transports it to a first granulated carbon filter which includes inner ca ...